{"id":927,"date":"2022-03-25T10:48:51","date_gmt":"2022-03-25T05:18:51","guid":{"rendered":"https:\/\/ccssmathanswers.com\/?p=927"},"modified":"2022-04-07T12:34:36","modified_gmt":"2022-04-07T07:04:36","slug":"go-math-grade-3-answer-key-chapter-11-perimeter-and-area","status":"publish","type":"post","link":"https:\/\/bigideasmathanswers.com\/go-math-grade-3-answer-key-chapter-11-perimeter-and-area\/","title":{"rendered":"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area"},"content":{"rendered":"<p>Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area helps you prepare for the exams. All the Concepts of Area and Perimeter are clearly explained in our Chapter 11 Perimeter and Area <a href=\"https:\/\/ccssmathanswers.com\/go-math-grade-3-answer-key\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Math Grade 3 Answer Key<\/a>. Go Math Grade 3 Perimeter and Area can be of great help during your preparation. You can get the Homework Help needed by referring to the Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area.<\/p>\n<h2>Go Math Grade 3 Chapter 11 Perimeter and Area Answer Key<\/h2>\n<p>Enhance your Problem-Solving Skills using the HMH Go Math Grade 3 Ch 11 Perimeter and Area Solution Key. Cross Check the Solutions in the 3rd Grade Go Math Ch 11 Perimeter and Area Answer Key and understand where you went wrong. Get to know the Lessons in Chapter 11 with the quick links available below and solve the problems in it.<\/p>\n<p>Lesson 1: Model Perimeter<\/p>\n<ul>\n<li><a href=\"#Model_Perimeter_-_Page_No._629\">Model Perimeter &#8211; Page No. 629<\/a><\/li>\n<li><a href=\"#Model_Perimeter_Lesson_Check_\u2013_Page_No._630\">Model Perimeter Lesson Check \u2013 Page No. 630<\/a><\/li>\n<\/ul>\n<p>Lesson 2: Find Perimeter<\/p>\n<ul>\n<li><a href=\"#Find_Perimeter_\u2013_Page_No._635\">Find Perimeter \u2013 Page No. 635<\/a><\/li>\n<li><a href=\"#Find_Perimeter_Lesson_Check_\u2013_Page_No._636\">Find Perimeter Lesson Check \u2013 Page No. 636<\/a><\/li>\n<\/ul>\n<p>Lesson 3: Find Unknown Side Lengths<\/p>\n<ul>\n<li><a href=\"#Find_Unknown_Side_Lengths_\u2013_Page_No._641\">Find Unknown Side Lengths \u2013 Page No. 641<\/a><\/li>\n<li><a href=\"#Find_Unknown_Side_Lengths_Lesson_Check_\u2013_Page_No._642\">Find Unknown Side Lengths Lesson Check \u2013 Page No. 642<\/a><\/li>\n<\/ul>\n<p>Lesson 4: Understand Area<\/p>\n<ul>\n<li><a href=\"#Understand_Area_\u2013_Page_No._647\">Understand Area \u2013 Page No. 647<\/a><\/li>\n<li><a href=\"#Understand_Area_Lesson_Check_\u2013_Page_No._648\">Understand Area Lesson Check \u2013 Page No. 648<\/a><\/li>\n<\/ul>\n<p>Lesson 5: Measure Area<\/p>\n<ul>\n<li><a href=\"#Measure_Area_\u2013_Page_No._653\">Measure Area \u2013 Page No. 653<\/a><\/li>\n<li><a href=\"#Measure_Area_Lesson_Check_\u2013_Page_No._654\">Measure Area Lesson Check \u2013 Page No. 654<\/a><\/li>\n<\/ul>\n<p>Lesson 6: Use Area Models<\/p>\n<ul>\n<li><a href=\"#Use_Area_Models_\u2013_Page_No._659\">Use Area Models \u2013 Page No. 659<\/a><\/li>\n<li><a href=\"#Use_Area_Models_Lesson_Check_\u2013_Page_No._660\">Use Area Models Lesson Check \u2013 Page No. 660<\/a><\/li>\n<\/ul>\n<p>Mid -Chapter Checkpoint<\/p>\n<ul>\n<li><a href=\"#Mid_-Chapter_Checkpoint_\u2013_Page_No._661\">Mid -Chapter Checkpoint \u2013 Page No. 661<\/a><\/li>\n<li><a href=\"#Mid_-Chapter_Checkpoint_Lesson_Check_\u2013_Page_No._662\">Mid -Chapter Checkpoint Lesson Check \u2013 Page No. 662<\/a><\/li>\n<\/ul>\n<p>Lesson 7: Problem Solving Area of Rectangles<\/p>\n<ul>\n<li><a href=\"#Problem_Solving_Area_of_Rectangles_\u2013_Page_No._667\">Problem Solving Area of Rectangles \u2013 Page No. 667<\/a><\/li>\n<li><a href=\"#Problem_Solving_Area_of_Rectangles_Lesson_Check_\u2013_Page_No._668\">Problem Solving Area of Rectangles Lesson Check \u2013 Page No. 668<\/a><\/li>\n<\/ul>\n<p>Lesson 8: Area of Combined Rectangles<\/p>\n<ul>\n<li><a href=\"#Area_of_Combined_Rectangles_\u2013_Page_No._673\">Area of Combined Rectangles \u2013 Page No. 673<\/a><\/li>\n<li><a href=\"#Area_of_Combined_Rectangles_Lesson_Check_\u2013_Page_No._674\">Area of Combined Rectangles Lesson Check \u2013 Page No. 674<\/a><\/li>\n<\/ul>\n<p>Lesson 9: Same Perimeter, Different Areas<\/p>\n<ul>\n<li><a href=\"#Same_Perimeter,_Different_Areas_\u2013_Page_No._679\">Same Perimeter, Different Areas \u2013 Page No. 679<\/a><\/li>\n<li><a href=\"#Same_Perimeter,_Different_Areas_Lesson_Check_\u2013_Page_No._680\">Same Perimeter, Different Areas Lesson Check \u2013 Page No. 680<\/a><\/li>\n<li><a href=\"#Same_Perimeter,_Different_Areas_Lesson_Check_1_\u2013_Page_No._685\">Same Perimeter, Different Areas Lesson Check 1 \u2013 Page No. 685<\/a><\/li>\n<li><a href=\"#Same_Perimeter,_Different_Areas_Lesson_Check_2_\u2013_Page_No._686\">Same Perimeter, Different Areas Lesson Check 2 \u2013 Page No. 686<\/a><\/li>\n<\/ul>\n<p>Review\/Test<\/p>\n<ul>\n<li><a href=\"#Review\/Test_\u2013_Page_No._687\">Review\/Test \u2013 Page No. 687<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._688\">Review\/Test \u2013 Page No. 688<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._689\">Review\/Test \u2013 Page No. 689<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._690\">Review\/Test \u2013 Page No. 690<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._691\">Review\/Test \u2013 Page No. 691<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._692\">Review\/Test \u2013 Page No. 692<\/a><\/li>\n<\/ul>\n<h3><a id=\"Model_Perimeter_-_Page_No._629\"><\/a>Model Perimeter &#8211; Page No. 629<\/h3>\n<p><strong>Find the perimeter of the shape. Each unit is 1 centimeter.<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-1.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 1\" width=\"191\" height=\"166\" \/><br \/>\n<span style=\"text-decoration: underline;\">22<\/span> centimeters<\/p>\n<p>Answer:<br \/>\n22 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1582\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-1-300x269.png\" alt=\"Model Perimeter Image 1\" width=\"190\" height=\"170\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-1-300x269.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-1.png 446w\" sizes=\"(max-width: 190px) 100vw, 190px\" \/><br \/>\nEach square in the grid is a 1 by 1-centimeter square. So, we have to do is add up the lengths of the dark segments right over the figure. Start the count from the box where 1 is placed. This parameter is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 centimeters long. So, it is 22 centimeters.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-2.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 2\" width=\"188\" height=\"169\" \/><br \/>\n__________ centimeters<\/p>\n<p>Answer:<br \/>\n22 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1584\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-2-300x272.png\" alt=\"Model Perimeter Image 2\" width=\"193\" height=\"175\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-2-300x272.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-2.png 360w\" sizes=\"(max-width: 193px) 100vw, 193px\" \/><br \/>\nLook at the length of each side. Then, add the length of each side to get the perimeter of the given shape. The lengths of the sides are <strong>6 + 5 + 6 + 5 = 22 centimeters.<\/strong><\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-3.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 3\" width=\"191\" height=\"169\" \/><br \/>\n__________ centimeters<\/p>\n<p>Answer:<br \/>\n26 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1587\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-perimeter-Image-3-300x273.png\" alt=\"Model perimeter Image 3\" width=\"196\" height=\"178\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-perimeter-Image-3-300x273.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-perimeter-Image-3.png 376w\" sizes=\"(max-width: 196px) 100vw, 196px\" \/><br \/>\nGiven that each unit is 1 centimeter. Count the lengths of each box from number 1. So, this parameter is <strong>26 centimeters long<\/strong>. or 6 + 5 + 2 + 2 + 2 + 2 + 2 + 5 = 26.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-4.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 4\" width=\"212\" height=\"167\" \/><br \/>\n__________ centimeters<\/p>\n<p>Answer:<br \/>\n30 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1591\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-4-300x242.png\" alt=\"Model Perimeter Image 4\" width=\"205\" height=\"166\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-4-300x242.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-4.png 406w\" sizes=\"(max-width: 205px) 100vw, 205px\" \/><br \/>\nLook at the length of each side. Then, add the length of each side to get the perimeter of the given shape. The lengths of the sides are 2 + 3 + 3+ 3 + 2 + 5 + 7 + 5 = 30 centimeters long.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p><strong>Use the drawing for 5\u20136. Each unit is 1 centimeter.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-5.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 5\" width=\"234\" height=\"277\" \/><\/p>\n<p>Question 5.<br \/>\nWhat is the perimeter of Patrick\u2019s shape?<br \/>\n__________ centimeters<\/p>\n<p>Answer:<br \/>\n20 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1598\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-5-285x300.png\" alt=\"Model Perimeter Image 5\" width=\"214\" height=\"225\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-5-285x300.png 285w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-5.png 337w\" sizes=\"(max-width: 214px) 100vw, 214px\" \/><br \/>\nThe perimeter of Patrick\u2019s shape = 5 + 5 + 5 + 5 =20 centimeters.<\/p>\n<p>Question 6.<br \/>\nHow much greater is the perimeter of Jillian\u2019s shape than the perimeter of Patrick\u2019s shape?<br \/>\n__________ centimeters<\/p>\n<p>Answer:<br \/>\n2 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1601\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-6-300x255.png\" alt=\"Model Perimeter Image 6\" width=\"207\" height=\"176\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-6-300x255.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-6.png 424w\" sizes=\"(max-width: 207px) 100vw, 207px\" \/><br \/>\nFirst, the perimeter of Jillian\u2019s shape = 8 + 1 + 4 + 2 + 4 + 3 = 22 centimeters.<br \/>\nDifference = 22 &#8211; 20 = 2 centimeters.<br \/>\nThe perimeter of Jillian\u2019s shape is 2 centimeters greater than the perimeter of Patrick\u2019s shape.<\/p>\n<h3><a id=\"Model_Perimeter_Lesson_Check_\u2013_Page_No._630\"><\/a>Model Perimeter &#8211; Page No. 630<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nFind the perimeter of the shape.<br \/>\nEach unit is 1 centimeter.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-6.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 6\" width=\"140\" height=\"140\" \/><br \/>\nOptions:<br \/>\na. 14 centimeters<br \/>\nb. 16 centimeters<br \/>\nc. 18 centimeters<br \/>\nd. 20 centimeters<\/p>\n<p>Answer:<br \/>\nd. 20 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1608\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-7-300x293.png\" alt=\"Model Perimeter Image 7\" width=\"164\" height=\"160\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-7-300x293.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-7.png 412w\" sizes=\"(max-width: 164px) 100vw, 164px\" \/><br \/>\nGiven that each unit is 1 centimeter. Count the lengths of each box of the dark lines from number 1. So, this parameter is 20 centimeters long.<\/p>\n<p>Question 2.<br \/>\nFind the perimeter of the shape.<br \/>\nEach unit is 1 centimeter.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-7.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 7\" width=\"197\" height=\"140\" \/><br \/>\nOptions:<br \/>\na. 19 centimeters<br \/>\nb. 26 centimeters<br \/>\nc. 33 centimeters<br \/>\nd. 55 centimeters<\/p>\n<p>Answer:<br \/>\nb. 26 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1640\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-9-300x281.png\" alt=\"Model Perimeter Image 9\" width=\"206\" height=\"193\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-9-300x281.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-9.png 515w\" sizes=\"(max-width: 206px) 100vw, 206px\" \/><br \/>\nFind the length of each box and add them to find the perimeter of the given shape. The perimeter of the given shape is 8 + 4 +3 + 1 + 4 + 4 + 1 + 1 = 26 centimeters.<\/p>\n<p><strong><em>Spiral Review<\/em><\/strong><\/p>\n<p>Question 3.<br \/>\nWhich lists the fractions in order from least to greatest?<br \/>\n\\(\\frac{2}{4}, \\frac{2}{3}, \\frac{2}{6}\\)<br \/>\nOptions:<br \/>\na. \\(\\frac{2}{3}, \\frac{2}{4}, \\frac{2}{6}\\)<br \/>\nb. \\(\\frac{2}{6}, \\frac{2}{4}, \\frac{2}{3}\\)<br \/>\nc. \\(\\frac{2}{4}, \\frac{2}{3}, \\frac{2}{6}\\)<br \/>\nd. \\(\\frac{2}{3}, \\frac{2}{6}, \\frac{2}{4}\\)<\/p>\n<p>Answer:<br \/>\nb. \\(\\frac{2}{6}, \\frac{2}{4}, \\frac{2}{3}\\)<\/p>\n<p>Explanation:<br \/>\nThe numerator of the given factors is the same. So, look at the denominators to compare the size of the pieces. As the denominator gets smaller, the fraction gets larger. In the given problem, 3 is the smaller denominator compared to 4 and 6. Then, 4 is the next smaller denominator. So, the fractions in order from least to greatest are 2\/6, 2\/4, 2\/3.<\/p>\n<p>Question 4.<br \/>\nKasey\u2019s school starts at the time shown on the clock. What time does Kasey\u2019s school start?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-8.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Model Perimeter img 8\" width=\"136\" height=\"137\" \/><br \/>\nOptions:<br \/>\na. 6:40<br \/>\nb. 8:06<br \/>\nc. 8:30<br \/>\nd. 9:30<\/p>\n<p>Answer:<br \/>\nc. 8:30<\/p>\n<p>Explanation:<br \/>\nIn the figure, hour-hand is indicating number 8. So, we say it is 8 hours. The minute hand is on 6. To find the minutes, multiply 6 x 5 = 30. So, it indicates 30 minutes. The time is 8 hours 30 minutes.<\/p>\n<p>Question 5.<br \/>\nMichael and Dex are comparing fraction strips. Which statement is NOT correct?<br \/>\nOptions:<br \/>\na. \\(\\frac{1}{2}&lt;\\frac{2}{2}\\)<br \/>\nb. \\(\\frac{2}{3}&gt;\\frac{1}{3}\\)<br \/>\nc. \\(\\frac{4}{8}&lt;\\frac{3}{8}\\)<br \/>\nd. \\(\\frac{4}{6}&gt;\\frac{2}{6}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{4}{8}&lt;\\frac{3}{8}\\)<\/p>\n<p>Explanation:<br \/>\nThe denominators of the given fractions are the same. So, look at the numerators to compare the numbers.<br \/>\n1 &lt; 2 is correct.<br \/>\n2 &gt; 1 is correct.<br \/>\n4 &lt; 3 is not correct. So, 4\/8 &lt; 3\/8 is not correct.<\/p>\n<p>Question 6.<br \/>\nAiden wants to find the mass of a bowling ball. Which unit should he use?<br \/>\nOptions:<br \/>\na. liter<br \/>\nb. inch<br \/>\nc. gram<br \/>\nd. kilogram<\/p>\n<p>Answer:<br \/>\nd. kilogram<\/p>\n<p>Explanation:<br \/>\nThe kilogram is used to find the mass of a bowling ball.<\/p>\n<h3><a id=\"Find_Perimeter_\u2013_Page_No._635\"><\/a>Find Perimeter &#8211; Page No. 635<\/h3>\n<p><strong>Use a ruler to find the perimeter. (Note: on mobile devices like smart phones or tablets, the measurements will not be accurate.)<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-9.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 9\" width=\"258\" height=\"190\" \/><br \/>\n<span style=\"text-decoration: underline;\">12<\/span> centimeters<\/p>\n<p>Answer:<br \/>\n12 cm<\/p>\n<p>Explanation:<br \/>\nAdd the lengths of the sides measured to the perimeter. 4 + 3 + 2 + 3 = 12 cm.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-10.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 10\" width=\"309\" height=\"119\" \/><br \/>\n_________ centimeters<\/p>\n<p>Answer:<br \/>\n13 centimeters<\/p>\n<p>Explanation:<br \/>\nUse a centimeter ruler to measure the length of each side.<br \/>\nRecord and add the lengths of the sides measured to the nearest centimeter.<br \/>\n5 cm + 1 cm + 1 cm + 2 cm + 4 cm = 13 centimeters.<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-11.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 11\" width=\"330\" height=\"266\" \/><br \/>\n_________ inches<\/p>\n<p>Answer:<br \/>\n8 inches<\/p>\n<p>Explanation:<br \/>\nUse an inch ruler to measure the length of each side to the nearest inch.<br \/>\nRecord and add the lengths of the sides measured to the nearest inch.<br \/>\n2 in + 2 in + 2 in + 2 in =8 inches.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-12.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 12\" width=\"240\" height=\"234\" \/><br \/>\n_________ inches<\/p>\n<p>Answer:<br \/>\n6 inches<\/p>\n<p>Explanation:<br \/>\nUse an inch ruler to measure the length of each side.<br \/>\nRecord and add the lengths of the sides measured to the nearest inch.<br \/>\n2 in + 2 in + 2 in = 6 inches.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p><strong>Draw a picture to solve 5\u20136.<\/strong><\/p>\n<p>Question 5.<br \/>\nEvan has a square sticker that measures 5 inches on each side. What is the perimeter of the sticker?<br \/>\n_________ inches<\/p>\n<p>Answer:<br \/>\n20 inches<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1708\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Find-Perimeter-image-33.jpg\" alt=\"Chapter 11 - Find Perimeter- image 33\" width=\"195\" height=\"172\" \/><br \/>\nThe square has equal sides. Each side has 5 inches. So, the perimeter of the sticker is 5 x 4 = 20 inches.<\/p>\n<p>Question 6.<br \/>\nSophie draws a shape that has 6 sides. Each side is 3 centimeters. What is the perimeter of the shape?<br \/>\n_________ centimeters<\/p>\n<p>Answer:<br \/>\n18 centimeters<\/p>\n<p>Explanation:<br \/>\nThe perimeter of the shape is = Addition of all sides.<br \/>\nGiven that Sophie draws a shape that has 6 sides with 3 centimeters. So, the perimeter of the shape = 3 + 3 + 3 + 3 + 3 + 3 = 18 centimeters<\/p>\n<h3><a id=\"Find_Perimeter_Lesson_Check_\u2013_Page_No._636\"><\/a>Find Perimeter &#8211; Page No. 636<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p><strong>Use an inch ruler for 1\u20132.<\/strong><\/p>\n<p>Question 1.<br \/>\nTy cut a label the size of the shape shown. What is the perimeter, in inches, of Ty\u2019s label?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-13.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 13\" width=\"128\" height=\"239\" \/><br \/>\nOptions:<br \/>\na. 4 inches<br \/>\nb. 5 inches<br \/>\nc. 6 inches<br \/>\nd. 7 inches<\/p>\n<p>Answer:<br \/>\nc. 6 inches<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1709\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Find-perimeter-image-34.jpg\" alt=\"Chapter 11 - Find perimeter - image 34\" width=\"147\" height=\"222\" \/><br \/>\nBy using an inch ruler, Ty can measure the length of each side of the given shape. Now, find the lengths of each side.<br \/>\n1 in + 2 in + 1 in + 2 in = 6 inches.<\/p>\n<p>Question 2.<br \/>\nJulie drew the shape shown below. What is the perimeter, in inches, of the shape?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-14.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 14\" width=\"243\" height=\"239\" \/><br \/>\nOptions:<br \/>\na. 2 inches<br \/>\nb. 4 inches<br \/>\nc. 6 inches<br \/>\nd. 8 inches<\/p>\n<p>Answer:<br \/>\nd. 8 inches<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1715\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Find-perimeter-image-35.jpg\" alt=\"Chapter 11 - Find perimeter - image 35\" width=\"228\" height=\"225\" \/><br \/>\nJulie can use an inch ruler to measure the length of each side of the shape. Now, find the lengths of each side. Each side has 2 inches. So, the perimeter of the shape is 2 in + 2 in + 2 in + 2 in = 8 inches.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nWhat is the perimeter of the shape below?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-15.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 15\" width=\"275\" height=\"116\" \/><br \/>\nOptions:<br \/>\na. 8 units<br \/>\nb. 10 units<br \/>\nc. 20 units<br \/>\nd. 22 units<\/p>\n<p>Answer:<br \/>\nc. 20 units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1654\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-10-300x182.png\" alt=\"Model Perimeter Image 10\" width=\"279\" height=\"169\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-10-300x182.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-10.png 602w\" sizes=\"(max-width: 279px) 100vw, 279px\" \/><br \/>\nFrom the figure, each unit is 1 centimeter. Count the lengths of each box from number 1. So, this parameter is 20 units long.<\/p>\n<p>Question 4.<br \/>\nVince arrives for his trumpet lesson after school at the time shown on the clock. What time does Vince arrive for his trumpet lesson?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-16.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Perimeter img 16\" width=\"140\" height=\"141\" \/><br \/>\nOptions:<br \/>\na. 3:26 A.M.<br \/>\nb. 4:26 A.M.<br \/>\nc. 3:26 P.M.<br \/>\nd. 4:26 P.M.<\/p>\n<p>Answer:<br \/>\nc. 3:26 P.M.<\/p>\n<p>Explanation:<br \/>\nGiven that Vince arrives for his trumpet lesson after school at the time shown on the clock. As it is mentioned after school time, it is Noon. The times afternoon and before midnight are written with P.M. The hour hand is indicating number 3. So, the answer is 3:26 P.M.<\/p>\n<p>Question 5.<br \/>\nMatthew\u2019s small fish tank holds 12 liters. His large fish tank holds 25 liters. How many more liters does his large fish tank hold?<br \/>\nOptions:<br \/>\na. 12 liters<br \/>\nb. 13 liters<br \/>\nc. 25 liters<br \/>\nd. 37 liters<\/p>\n<p>Answer:<br \/>\nb. 13 liters<\/p>\n<p>Explanation:<br \/>\nTo get the more liters, do subtraction of large fish tank liters to small fish tank liters. So, The large fish tank is 25 liters &#8211; 12 liters = 13 liters more than Matthew\u2019s small fish tank.<\/p>\n<p>Question 6.<br \/>\nCecila and Sasha are comparing fraction strips. Which statement is correct?<br \/>\nOptions:<br \/>\na. \\(\\frac{1}{2}&lt;\\frac{1}{3}\\)<br \/>\nb. \\(\\frac{1}{8}&gt;\\frac{1}{6}\\)<br \/>\nc. \\(\\frac{1}{4}&gt;\\frac{1}{2}\\)<br \/>\nd. \\(\\frac{1}{6}&lt;\\frac{1}{4}\\)<\/p>\n<p>Answer:<br \/>\nd. \\(\\frac{1}{6}&lt;\\frac{1}{4}\\)<\/p>\n<p>Explanation:<br \/>\nCecila and Sasha are comparing fraction strips. In the given fractions, the numerators are same. So, compare the denominators to find the largest fraction. As the denominator gets smaller, the fraction gets larger.<br \/>\n2 &lt; 3 wrong.<br \/>\n8 &gt; 6 wrong.<br \/>\n4 &gt; 2 wrong.<br \/>\n6 &lt; 4 correct.<br \/>\nSo, 1\/6 &lt; 1\/4 is the correct answer.<\/p>\n<h3><a id=\"Find_Unknown_Side_Lengths_\u2013_Page_No._641\"><\/a>Find Unknown Side Lengths &#8211; Page No. 641<\/h3>\n<p><strong>Find the unknown side lengths.<\/strong><\/p>\n<p>Question 1.<br \/>\nPerimeter = 33 centimeters<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-17.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Unknown Side Lengths img 17\" width=\"207\" height=\"165\" \/><br \/>\n5 + 8 + 7 + 4 + x = 33<br \/>\n24 + x = 33<br \/>\nx = 9<br \/>\nx = ____ 9 _____ centimeters<\/p>\n<p>Answer:<br \/>\n9 centimeters<\/p>\n<p>Explanation:<br \/>\nIf I knew the length x, I would add all the side lengths to find the perimeter. Given Perimeter = 33 centimeters.<br \/>\nAdd the lengths of the given sides. 5 + 8 + 7 + 4 + x = 33.<br \/>\n24 + x = 33.<br \/>\nx = 33 &#8211; 24 =9.<br \/>\nx = 9 centimeters.<\/p>\n<p>Question 2.<br \/>\nPerimeter = 14 feet<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-18.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Unknown Side Lengths img 18\" width=\"165\" height=\"144\" \/><br \/>\nr = ____ feet<\/p>\n<p>Answer:<br \/>\n3 feet<\/p>\n<p>Explanation:<br \/>\nGiven Perimeter = 14 feet.<br \/>\nAdd the lengths of the given sides to find r.<br \/>\n4 ft + 4 ft + r + r = 14 feet.<br \/>\nIf r =1 -&gt; 4 + 4 + 1 + 1 = 10 not equal to 14.<br \/>\nIf r = 2 -&gt; 4 + 4 + 2 + 2 = 12 not equal to 14.<br \/>\nIf r = 3 -&gt; 4 + 4 + 3 + 3 = 14 equal to 14.<br \/>\nSo, r = 3 feet.<\/p>\n<p>Question 3.<br \/>\nPerimeter = 37 meters<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-19.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Unknown Side Lengths img 19\" width=\"244\" height=\"180\" \/><br \/>\ns = ____ meters<\/p>\n<p>Answer:<br \/>\n11 meters<\/p>\n<p>Explanation:<br \/>\nGiven that Perimeter = 37 meters.<br \/>\nAdd the lengths of the given sides to find s.<br \/>\n8 + 11 + 5 + 2 + s = 37.<br \/>\n26 + s = 37.<br \/>\ns = 37 &#8211; 26 = 11.<br \/>\ns = 11 meters.<\/p>\n<p>Question 4.<br \/>\nPerimeter = 92 inches<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-20.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Unknown Side Lengths img 20\" width=\"292\" height=\"140\" \/><br \/>\nt = ____ inches<\/p>\n<p>Answer:<br \/>\n15 inches<\/p>\n<p>Explanation:<br \/>\nGiven that Perimeter = 92 inches.<br \/>\nAdd the lengths of the given sides to find t.<br \/>\n7 + 23 + 12 + 12 +23 + t = 92<br \/>\n77 + t = 92.<br \/>\ns = 92 &#8211; 77 = 15.<br \/>\ns = 15 inches.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 5.<br \/>\nSteven has a rectangular rug with a perimeter of 16 feet. The width of the rug is 5 feet. What is the length of the rug? ____ feet<\/p>\n<p>Answer:<br \/>\n3 feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1720\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-FInd-unknown-side-lengths-image-36.jpg\" alt=\"Chapter 11 - FInd unknown side lengths - image 36\" width=\"191\" height=\"137\" \/><br \/>\nGiven that Steven has a rectangular rug with a perimeter of 16 feet. Rectangular has 4 sides with two pairs of opposite sides that are equal in length.<br \/>\nLet the length will be x.<br \/>\nIf x = 1 feet -&gt; 5 + x + 5 + x = 5 + 1 + 5 + 1 = 12 feet not equal to 16.<br \/>\nIf x = 2 feet -&gt; 5 + x + 5 + x = 5 + 2 + 5 + 2 = 14 feet not equal to 16.<br \/>\nIf x = 3 feet -&gt; 5 + x + 5 + x = 5 + 3 + 5 + 3 = 16 feet equal to 16.<br \/>\nSo, the length of the blanket is 3 feet.<\/p>\n<p>Question 6.<br \/>\nKerstin has a square tile. The perimeter of the tile is 32 inches. What is the length of each side of the tile?<br \/>\n____ inches<\/p>\n<p>Answer:<br \/>\n8 inches<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1721\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-FInd-unknown-side-lengths-image-37.jpg\" alt=\"Chapter 11 - FInd unknown side lengths - image 37\" width=\"134\" height=\"136\" \/><br \/>\nA square has four sides that are equal in length.<br \/>\nSo, 4 x s = 32<br \/>\n4 x 8 = 32.<br \/>\nSo, the length of each side of the square is 8 inches.<\/p>\n<h3><a id=\"Find_Unknown_Side_Lengths_Lesson_Check_\u2013_Page_No._642\"><\/a>Find Unknown Side Lengths &#8211; Page No. 642<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nJesse is putting a ribbon around a square frame. He uses 24 inches of ribbon. How long is each side of the frame? Options:<br \/>\na. 4 inches<br \/>\nb. 5 inches<br \/>\nc. 6 inches<br \/>\nd. 8 inches<\/p>\n<p>Answer:<br \/>\nc. 6 inches<\/p>\n<p>Explanation:<br \/>\nJesse is putting a ribbon around a square frame. A square has four sides that are equal in length.<br \/>\nSo, 4 x k = 24 inches.<br \/>\n4 x 6 = 24 inches.<br \/>\nEach side of the frame 6 inches.<\/p>\n<p>Question 2.<br \/>\nDavia draws a shape with 5 sides. Two sides are each 5 inches long. Two other sides are each 4 inches long. The perimeter of the shape is 27 inches. What is the length of the fifth side?<br \/>\nOptions:<br \/>\na. 9 inches<br \/>\nb. 13 inches<br \/>\nc. 14 inches<br \/>\nd. 18 inches<\/p>\n<p>Answer:<br \/>\na. 9 inches<\/p>\n<p>Explanation:<br \/>\n. From the given information, Davia draws a shape with 5 sides.<br \/>\n2 sides = each 5 inches long.<br \/>\n2 sides = each 4 inches long.<br \/>\nLet the other side is k.<br \/>\nThe perimeter of the shape = 5 + 5 + 4 + 4 + k = 27 inches.<br \/>\n18 + k = 27 inches.<br \/>\nk = 27 &#8211; 18 inches.<br \/>\nk = 9 inches.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nWhich of the following represents 7 + 7 + 7 + 7?<br \/>\nOptions:<br \/>\na. 4 \u00d7 4<br \/>\nb. 4 \u00d7 7<br \/>\nc. 6 \u00d7 7<br \/>\nd. 7 \u00d7 7<\/p>\n<p>Answer:<br \/>\nb. 4 \u00d7 7<\/p>\n<p>Explanation:<br \/>\n7 + 7 + 7 + 7 = 28.<br \/>\n4 x 4 = 16 not equal to 28.<br \/>\n4 x 7 = 28 equal to 28.<br \/>\n7 + 7 + 7 + 7 = 4 \u00d7 7.<\/p>\n<p>Question 4.<br \/>\nBob bought 3 packs of model cars. He gave 4 cars to Ann. Bob has 11 cars left. How many model cars were in each pack?<br \/>\nOptions:<br \/>\na. 18<br \/>\nb. 11<br \/>\nc. 7<br \/>\nd. 5<\/p>\n<p>Answer:<br \/>\nd. 5<\/p>\n<p>Explanation:<br \/>\nIf Bob has 11 cars left after he gave 4 to Ann, that means he had 15 cars in total. If Bob had 15 cars in total, and these 15 cars were divided into 3 packs, that means each pack contained 5 cars. The answer is 5 cars in each pack.<\/p>\n<p>Question 5.<br \/>\nRandy looked at his watch when he started and finished reading. How long did Randy read?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-21.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Unknown Side Lengths img 21\" width=\"313\" height=\"179\" \/><br \/>\nOptions:<br \/>\na. 55 minutes<br \/>\nb. 45 minutes<br \/>\nc. 35 minutes<br \/>\nd. 15 minutes<\/p>\n<p>Answer:<br \/>\nb. 45 minutes<\/p>\n<p>Explanation:<br \/>\nRandy started reading at 4:10.<br \/>\nRandy finished reading at 4:55.<br \/>\nSubtract to find the Randy read time.<br \/>\n4:55 &#8211; 4:10 = 45 minutes<br \/>\nSo, Randy read 45 minutes.<\/p>\n<p>Question 6.<br \/>\nWhich statement does the model represent?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-22.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Find Unknown Side Lengths img 22\" width=\"259\" height=\"116\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{4}{4}\\) = 1<br \/>\nb. \\(\\frac{3}{4}\\) = 1<br \/>\nc. \\(\\frac{2}{4}\\) = 1<br \/>\nd. \\(\\frac{1}{4}\\) = 1<\/p>\n<p>Answer:<br \/>\na. \\(\\frac{4}{4}\\) = 1<\/p>\n<p>Explanation:<br \/>\nThe first image represents the whole circle divided into 4 equal parts. So, each part is \\(\\frac{1}{4}\\).<br \/>\nTogether, all 4 parts represent \\(\\frac{4}{4}\\) or one whole circle.<br \/>\nThe second image represents one whole circle.<br \/>\n\\(\\frac{4}{4}\\) = 1.<\/p>\n<h3><a id=\"Understand_Area_\u2013_Page_No._647\"><\/a>Understand Area &#8211; Page No. 647<\/h3>\n<p>Count to find the area for the shape.<\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-23.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 23\" width=\"175\" height=\"164\" \/><br \/>\nArea = <span style=\"text-decoration: underline;\">6<\/span> square units<\/p>\n<p>Answer:<br \/>\n6 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1924\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-1.jpg\" alt=\"chapter 11 - understand area - image 1\" width=\"190\" height=\"176\" \/><br \/>\nThe area is the measure of the number of unit squares needed to cover a flat surface. A unit square is a square with a side length of 1 unit. It has an area of 1 square unit (sq un). Count the number of Squares to get the answers. 1, 2, 3, 4, 5, 6.<br \/>\nArea = 6 square units.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-24.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 24\" width=\"171\" height=\"164\" \/><br \/>\nArea = ______ square units<\/p>\n<p>Answer:<br \/>\n4 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1925\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-2.jpg\" alt=\"chapter 11 - understand area - image 2\" width=\"185\" height=\"138\" \/><br \/>\nCount the number of Squares to get the answers. 1, 2, 3, 4.<br \/>\nArea = 4 square units.<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-25.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 25\" width=\"169\" height=\"168\" \/><br \/>\nArea = ______ square units<\/p>\n<p>Answer:<br \/>\n5 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1926\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-3.jpg\" alt=\"chapter 11 - understand area - image 3\" width=\"157\" height=\"176\" \/><br \/>\nCount the number of Squares to get the answers. 1, 2, 3, 4, 5.<br \/>\nArea = 5 square units.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-26.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 26\" width=\"164\" height=\"167\" \/><br \/>\nArea = ______ square units<\/p>\n<p>Answer:<br \/>\n7 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1927\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-4.jpg\" alt=\"chapter 11 - understand area - image 4\" width=\"190\" height=\"135\" \/><br \/>\nCount the number of Squares to get the answers. 1, 2, 3, 4, 5, 6, 7.<br \/>\nArea = 7 square units.<\/p>\n<p>Question 5.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-27.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 27\" width=\"173\" height=\"163\" \/><br \/>\nArea = ______ square units<\/p>\n<p>Answer:<br \/>\n8 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1928\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-5.jpg\" alt=\"chapter 11 - understand area - image 5\" width=\"180\" height=\"173\" \/><br \/>\nCount the number of Squares to get the answers. 1, 2, 3, 4, 5, 6, 7, 8.<br \/>\nArea = 8 square units.<\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-28.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 28\" width=\"166\" height=\"163\" \/><br \/>\nArea = ______ square units<\/p>\n<p>Answer:<br \/>\n13 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1929\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-6.jpg\" alt=\"chapter 11 - understand area - image 6\" width=\"192\" height=\"154\" \/><br \/>\nCount the number of Squares to get the answers. 1, 2, 3, 4, 5, 6, 7, 8,9, 10, 11, 12, 13.<br \/>\nArea = 13 square units.<\/p>\n<p><strong>Write area or perimeter for each situation.<\/strong><\/p>\n<p>Question 7.<br \/>\ncarpeting a floor<br \/>\n_________<\/p>\n<p>Answer:<br \/>\nArea<\/p>\n<p>Question 8.<br \/>\nfencing a garden<br \/>\n_________<\/p>\n<p>Answer:<br \/>\n2. Perimeter<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p><strong>Use the diagram for 9\u201310.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-29.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 29\" width=\"210\" height=\"206\" \/><\/p>\n<p>Answer:<br \/>\n12 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1930\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-7.jpg\" alt=\"chapter 11 - understand area - image 7\" width=\"217\" height=\"196\" \/><br \/>\nCount the number of Squares to get the answers. 1, 2, 3, 4, 5, 6, 7, 8,9, 10, 11, 12.<br \/>\nArea = 12 square units.<\/p>\n<p>Question 9.<br \/>\nRober to is building a platform for his model railroad. What is the area of the platform?<br \/>\nArea = ______ square units<\/p>\n<p>Answer:<br \/>\n12 square units<\/p>\n<p>Explanation:<br \/>\nThe area of the platform = Count the total number of Squares to get the answers. 1, 2, 3, 4, 5, 6, 7, 8,9, 10, 11, 12.<br \/>\nArea = 12 square units.<\/p>\n<p>Question 10.<br \/>\nRober to will put a border around the edges of the platform. How much border will he need?<br \/>\nBorder = ______ units<\/p>\n<p>Answer:<br \/>\n16 units<\/p>\n<p>Explanation:<br \/>\nTo know the edges of the platform, we need to calculate the perimeter of the given shape. So, we need to add the length of all sides. 2 + 4 + 3 + 2 + 1 + 1 + 2 + 1 = 16 units.<\/p>\n<h3><a id=\"Understand_Area_Lesson_Check_\u2013_Page_No._648\"><\/a>Understand Area &#8211; Page No. 648<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nJosh used rubber bands to make the shape below on his geoboard. What is the area of the shape?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-30.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 30\" width=\"167\" height=\"167\" \/><br \/>\nOptions:<br \/>\na. 3 square units<br \/>\nb. 4 square units<br \/>\nc. 5 square units<br \/>\nd. 6 square units<\/p>\n<p>Answer:<br \/>\na. 3 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1931\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-8.jpg\" alt=\"chapter 11 - understand area - image 8\" width=\"147\" height=\"184\" \/><br \/>\nIf Josh used rubber bands to make the shape below on his geoboard, he can divide the shape into 2 smaller regular shapes.<br \/>\nThe shape 1 marked as square = 1 square unit.<br \/>\nThe shape 2 marked as rectangle = 2 square units.<br \/>\nThe total area = Shape 1 + Shape 2 = 1 + 2 = 3 square units.<\/p>\n<p>Question 2.<br \/>\nWilma drew the shape below on dot paper. What is the area of the shape she drew?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-31.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Understand Area img 31\" width=\"167\" height=\"170\" \/><br \/>\nOptions:<br \/>\na. 4 square units<br \/>\nb. 5 square units<br \/>\nc. 6 square units<br \/>\nd. 7 square units<\/p>\n<p>Answer:<br \/>\nb. 5 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1932\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-understand-area-image-9.jpg\" alt=\"chapter 11 - understand area - image 9\" width=\"169\" height=\"134\" \/><br \/>\nWilma drew the shape below on dot paper.<br \/>\nThe area of the shape = number of unite square boxes = 1 + 1 + 1 + 1 + 1 = 5 square units.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nLeonardo knows it is 42 days until summer break. How many weeks is it until Leonardo\u2019s summer break? (Hint: There are 7 days in a week.)<br \/>\nOptions:<br \/>\na. 5 weeks<br \/>\nb. 6 weeks<br \/>\nc. 7 weeks<br \/>\nd. 8 weeks<\/p>\n<p>Answer:<br \/>\nb. 6 weeks<\/p>\n<p>Explanation:<br \/>\nLeonardo knows it is 42 days until summer break. There are 7 days in a week. So, by dividing 42 with 7 Leonardo can find summer break in weeks. 42\/7 = 6 weeks.<\/p>\n<p>Question 4.<br \/>\nNan cut a submarine sandwich into 4 equal parts and ate one part. What fraction represents the part of the sandwich Nan ate?<br \/>\nOptions:<br \/>\na. \\(\\frac{1}{4}\\)<br \/>\nb. \\(\\frac{1}{3}\\)<br \/>\nc. \\(\\frac{4}{4}\\)<br \/>\nd. \\(\\frac{4}{1}\\)<\/p>\n<p>Answer:<br \/>\na. \\(\\frac{1}{4}\\)<\/p>\n<p>Explanation:<br \/>\nNan cut a submarine sandwich into 4 equal parts and ate one part. So, remaining parts are 3. The fraction of the sandwich Nan ate = \\(\\frac{1}{4}\\).<\/p>\n<p>Question 5.<br \/>\nWanda is eating breakfast. Which is a reasonable time for Wanda to be eating breakfast?<br \/>\nOptions:<br \/>\na. 7:45 A.M.<br \/>\nb. 7:45 P.M.<br \/>\nc. 2:15 P.M.<br \/>\nd. 2:15 A.M.<\/p>\n<p>Answer:<br \/>\na. 7:45 A.M.<\/p>\n<p>Explanation:<br \/>\nThe reasonable time for Wanda to eat breakfast is 7:45 A.M. Because breakfast will eat in the morning i.e, A.M.<\/p>\n<p>Question 6.<br \/>\nDick has 2 bags of dog food. Each bag contains 5 kilograms of food. How many kilograms of food does Dick have in all?<br \/>\nOptions:<br \/>\na. 3 kilograms<br \/>\nb. 5 kilograms<br \/>\nc. 7 kilograms<br \/>\nd. 10 kilograms<\/p>\n<p>Answer:<br \/>\nd. 10 kilograms<\/p>\n<p>Explanation:<br \/>\nDick has 2 x 5 = 10 kilograms of food in total.<\/p>\n<h3><a id=\"Measure_Area_\u2013_Page_No._653\"><\/a>Measure Area &#8211; Page No. 653<\/h3>\n<p><strong>Count to find the area of the shape. Each unit square is 1 square centimeter.<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-32.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 32\" width=\"314\" height=\"99\" \/><br \/>\nArea <span style=\"text-decoration: underline;\">14<\/span> square centimeters.<\/p>\n<p>Answer:<br \/>\n14 square centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-1665\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-image-11-300x118.png\" alt=\"Model Perimeter image 11\" width=\"300\" height=\"118\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-image-11-300x118.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-image-11.png 455w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\nThe number of unit square in the given figure is 14. So, the area of the shape = 14 square centimeters.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-33.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 33\" width=\"182\" height=\"187\" \/><br \/>\nArea = ________ square centimeters<\/p>\n<p>Answer:<br \/>\n16 square centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1667\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-12-300x294.png\" alt=\"Model Perimeter Image 12\" width=\"209\" height=\"204\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-12-300x294.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-12.png 355w\" sizes=\"(max-width: 209px) 100vw, 209px\" \/><br \/>\nThe area of the shape = 16 square centimeters.<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-34.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 34\" width=\"184\" height=\"144\" \/><br \/>\nArea = ________ square centimeters<\/p>\n<p>Answer:<br \/>\n11 square centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1669\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-13-300x232.png\" alt=\"Model Perimeter Image 13\" width=\"188\" height=\"145\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-13-300x232.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-13.png 397w\" sizes=\"(max-width: 188px) 100vw, 188px\" \/><br \/>\nThe area of the shape = 11 square centimeters.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-35.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 35\" width=\"271\" height=\"186\" \/><br \/>\nArea = ________ square centimeters<\/p>\n<p>Answer:<br \/>\n22 square centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1670\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-14-300x208.png\" alt=\"Model Perimeter Image 14\" width=\"275\" height=\"191\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-14-300x208.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-14.png 473w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><br \/>\nThe area of the shape = 22 square centimeters.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p><strong>Alan is painting his deck gray. Use the diagram at the right for 5\u20136. Each unit square is 1 square meter.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-36.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 36\" width=\"332\" height=\"269\" \/><\/p>\n<p>Question 5.<br \/>\nWhat is the area of the deck that Alan has already painted gray?<br \/>\n_______ square meters<\/p>\n<p>Answer:<br \/>\n16 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1671\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-17-300x261.png\" alt=\"Model Perimeter Image 17\" width=\"239\" height=\"208\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-17-300x261.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-17.png 461w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><br \/>\nThe area of the deck that Alan has already painted gray is 16 square meters.<\/p>\n<p>Question 6.<br \/>\nWhat is the area of the deck that Alan has left to paint?<br \/>\n_______ square meters<\/p>\n<p>Answer:<br \/>\n19 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1672\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-18-300x257.png\" alt=\"Model Perimeter Image 18\" width=\"229\" height=\"196\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-18-300x257.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-18.png 447w\" sizes=\"(max-width: 229px) 100vw, 229px\" \/><br \/>\nThe area of the deck that Alan has left to paint is 19 square meters.<\/p>\n<h3><a id=\"Measure_Area_Lesson_Check_\u2013_Page_No._654\"><\/a>Measure Area &#8211; Page No. 654<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p><strong>Each unit square in the diagram is 1 square foot.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-37.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 37\" width=\"318\" height=\"275\" \/><\/p>\n<p>Question 1.<br \/>\nHow many square feet are shaded?<br \/>\nOptions:<br \/>\na. 19 square feet<br \/>\nb. 21 square feet<br \/>\nc. 23 square feet<br \/>\nd. 25 square feet<\/p>\n<p>Answer:<br \/>\nc. 23 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1685\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-20-300x270.png\" alt=\"Model Perimeter Image 20\" width=\"217\" height=\"195\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-20-300x270.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-20.png 396w\" sizes=\"(max-width: 217px) 100vw, 217px\" \/><\/p>\n<p>Question 2.<br \/>\nWhat is the area that has NOT been shaded?<br \/>\nOptions:<br \/>\na. 19 square feet<br \/>\nb. 21 square feet<br \/>\nc. 23 square feet<br \/>\nd. 25 square feet<\/p>\n<p>Answer:<br \/>\na. 19 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1686\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-21-300x268.png\" alt=\"Model Perimeter Image 21\" width=\"243\" height=\"217\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-21-300x268.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Model-Perimeter-Image-21.png 390w\" sizes=\"(max-width: 243px) 100vw, 243px\" \/><\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nSonya buys 6 packages of rolls. There are 6 rolls in each package. How many rolls does Sonya buy?<br \/>\nOptions:<br \/>\na. 42<br \/>\nb. 36<br \/>\nc. 24<br \/>\nd. 12<\/p>\n<p>Answer:<br \/>\nb. 36<\/p>\n<p>Explanation:<br \/>\n6 x 6 = 36. Sonya buys 36 rolls.<\/p>\n<p>Question 4.<br \/>\nCharlie mixed 6 liters of juice with 2 liters of soda to make fruit punch. How many liters of fruit punch did Charlie make?<br \/>\nOptions:<br \/>\na. 3 liters<br \/>\nb. 4 liters<br \/>\nc. 8 liters<br \/>\nd. 12 liters<\/p>\n<p>Answer:<br \/>\nc. 8 liters<\/p>\n<p>Explanation:<br \/>\n6 + 2 = 8 liters. Charlie can make 8 liters of fruit punch.<\/p>\n<p>Question 5.<br \/>\nWhich drawing shows \\(\\frac{2}{3}\\) of the circle shaded?<br \/>\nOptions:<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-38.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 38\" width=\"78\" height=\"80\" \/><br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-39.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 39\" width=\"80\" height=\"81\" \/><br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-40.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 40\" width=\"85\" height=\"81\" \/><br \/>\nd.<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-41.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 41\" width=\"81\" height=\"79\" \/><\/p>\n<p>Answer:<br \/>\nd. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-41.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 41\" width=\"81\" height=\"79\" \/><\/p>\n<p>Explanation:<br \/>\nOption d is the correct answer. 2\/3 means the whole circle has 3 parts. 2 of the parts are shaded.<\/p>\n<p>Question 6.<br \/>\nUse the models to name a fraction that is equivalent to \\(\\frac{1}{2}\\).<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-42.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Measure Area img 42\" width=\"178\" height=\"87\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{2}{1}\\)<br \/>\nb. \\(\\frac{2}{2}\\)<br \/>\nc. \\(\\frac{2}{4}\\)<br \/>\nd. \\(\\frac{4}{4}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{2}{4}\\)<\/p>\n<p>Explanation:<br \/>\n\\(\\frac{2}{4}\\) = \\(\\frac{1}{2}\\). So, the answer is \\(\\frac{2}{4}\\)<\/p>\n<h3><a id=\"Use_Area_Models_\u2013_Page_No._659\"><\/a>Use Area Models &#8211; Page No. 659<\/h3>\n<p><strong>Find the area of each shape. Each unit square is 1 square foot.<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-43.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 43\" width=\"343\" height=\"246\" \/><\/p>\n<p>Answer:<br \/>\n24 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1694\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Use-area-Models-Image-25-659.jpg\" alt=\"Chapter 11- Use area Models - Image 25 (659)\" width=\"266\" height=\"226\" \/><br \/>\nThere are 3 rows of 8 unit squares.<br \/>\n3 x 8 = 24.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-44.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 44\" width=\"138\" height=\"138\" \/><\/p>\n<p>_________ square feet<\/p>\n<p>Find the area of each shape.<br \/>\nEach unit square is 1 square meter.<\/p>\n<p>Answer:<br \/>\n16 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1695\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Use-area-models-image-26.jpg\" alt=\"Chapter 11 - Use area models - image 26\" width=\"187\" height=\"161\" \/><br \/>\nThere are 4 rows of 4 unit squares.<br \/>\n4 x 4 = 16 square feet.<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-45.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 45\" width=\"193\" height=\"74\" \/><br \/>\n_________ square meters<\/p>\n<p>Answer:<br \/>\n12 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1696\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Use-area-models-image-27.jpg\" alt=\"Chapter 11 - Use area models - image 27\" width=\"237\" height=\"105\" \/><br \/>\nThere are 2 rows of 6 unit squares.<br \/>\n2 x 6 = 12 square meters.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-46.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 46\" width=\"194\" height=\"134\" \/><br \/>\n_________ square meters<\/p>\n<p>Answer:<br \/>\n24 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1697\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-use-area-models-Image-28.jpg\" alt=\"Chapter 11- use area models - Image 28\" width=\"252\" height=\"179\" \/><br \/>\nThere are 4 rows of 6 unit squares.<br \/>\n4 x 6 = 24 square meters.<\/p>\n<p>Question 5.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-47.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 47\" width=\"109\" height=\"165\" \/><br \/>\n_________ square meters<\/p>\n<p>Answer:<br \/>\n15 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1698\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Use-area-models-image-29.jpg\" alt=\"Chapter 11 - Use area models - image 29\" width=\"151\" height=\"179\" \/><br \/>\nThere are 5 rows of 3 unit squares.<br \/>\n5 x 3 = 15 square meters.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 6.<br \/>\nLandon made a rug for the hallway. Each unit square is 1 square foot. What is the area of the rug?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-48.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 48\" width=\"319\" height=\"78\" \/><br \/>\n_________ square feet<\/p>\n<p>Answer:<br \/>\n20 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1699\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-use-area-models-Image-30.jpg\" alt=\"chapter 11- use area models - Image 30\" width=\"339\" height=\"79\" \/><br \/>\nCount the number of unit square boxes = 20 square feet. Or, there are 2 rows of 10 unit squares.<br \/>\n2 x 10 = 20 square feet.<\/p>\n<p>Question 7.<br \/>\nEva makes a border at the top of a picture frame. Each unit square is 1 square inch. What is the area of the border? <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-49.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 49\" width=\"258\" height=\"44\" \/><br \/>\n_________ square feet<\/p>\n<p>Answer:<br \/>\n8 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1700\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-use-area-models-image-31.jpg\" alt=\"Chapter 11 - use area models - image 31\" width=\"201\" height=\"40\" \/><br \/>\nCount the number of unit square boxes = 20 square feet. Or, there are 1 rows of 8 unit squares.<br \/>\n1 x 8 = 8 square feet.<\/p>\n<h3><a id=\"Use_Area_Models_Lesson_Check_\u2013_Page_No._660\"><\/a>Use Area Models &#8211; Page No. 660<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nThe entrance to an office has a tiled floor. Each square tile is 1 square meter. What is the area of the floor?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-50.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 50\" width=\"109\" height=\"105\" \/><br \/>\nOptions:<br \/>\na. 8 square meters<br \/>\nb. 9 square meters<br \/>\nc. 10 square meters<br \/>\nd. 12 square meters<\/p>\n<p>Answer:<br \/>\nb. 9 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1688\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Use-area-Models-Image-23660.png\" alt=\"Chapter 11- Use area Models-Image 23(660)\" width=\"105\" height=\"106\" \/><br \/>\nThere are 9 square boxes available. So, the area of the floor = 9 square meters.<\/p>\n<p>Question 2.<br \/>\nMs. Burns buys a new rug. Each unit square is 1 square foot. What is the area of the rug?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-51.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Use Area Models img 51\" width=\"172\" height=\"81\" \/><br \/>\nOptions:<br \/>\na. 5 square feet<br \/>\nb. 7 square feet<br \/>\nc. 10 square feet<br \/>\nd. 12 square feet<\/p>\n<p>Answer:<br \/>\nc. 10 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1689\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Use-area-models-Image-246602.png\" alt=\"Chapter 11- Use area models-Image 24(660(2))\" width=\"158\" height=\"90\" \/><br \/>\nThe area of the rug = 10 square feet.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nAnn and Bill are comparing fraction strips. Which statement is correct?<br \/>\nOptions:<br \/>\na. \\(\\frac{3}{8}&gt;\\frac{5}{8}\\)<br \/>\nb. \\(\\frac{3}{4}&lt;\\frac{1}{4}\\)<br \/>\nc. \\(\\frac{3}{6}&gt;\\frac{4}{6}\\)<br \/>\nd. \\(\\frac{1}{3}&lt;\\frac{2}{3}\\)<\/p>\n<p>Answer:<br \/>\nd. \\(\\frac{1}{3}&lt;\\frac{2}{3}\\)<\/p>\n<p>Explanation:<br \/>\nThe denominator of the given fractions are same. So, compare the numerators to find the correct answer.<br \/>\n3 &gt; 5 wrong.<br \/>\n3 &lt; 1 wrong.<br \/>\n3 &gt; 4 wrong.<br \/>\n1 &lt; 2 correct.<br \/>\nThe answer is\u00a0\\(\\frac{1}{3}&lt;\\frac{2}{3}\\).<\/p>\n<p>Question 4.<br \/>\nClaire bought 6 packs of baseball cards. Each pack had the same number of cards. If Claire bought 48 baseball cards in all, how many cards were in each pack?<br \/>\nOptions:<br \/>\na. 54<br \/>\nb. 42<br \/>\nc. 8<br \/>\nd. 6<\/p>\n<p>Answer:<br \/>\nc. 8<\/p>\n<p>Explanation:<br \/>\n6 x k = 48. So, k = 48\/6 = 8.<br \/>\n8 cards were in each pack.<\/p>\n<p>Question 5.<br \/>\nAustin left for school at 7:35 A.M.. He arrived at school 15 minutes later. What time did Austin arrive at school?<br \/>\nOptions:<br \/>\na. 7:40 A.M.<br \/>\nb. 7:50 A.M.<br \/>\nc. 7:55 A.M.<br \/>\nd. 8:00 A.M.<\/p>\n<p>Answer:<br \/>\nb. 7:50 A.M.<\/p>\n<p>Explanation:<br \/>\n7:35 A.M. + 15 minutes = 7:50 A.M<\/p>\n<p>Question 6.<br \/>\nWyatt\u2019s room is a rectangle with a perimeter of 40 feet. The width of the room is 8 feet. What is the length of the room?<br \/>\nOptions:<br \/>\na. 5 feet<br \/>\nb. 12 feet<br \/>\nc. 16 feet<br \/>\nd. 32 feet<\/p>\n<p>Answer:<br \/>\nb. 12 feet<\/p>\n<p>Explanation:<br \/>\nThe perimeter of rectangle = 40 feet.<br \/>\nThe width of the room is 8 feet.<br \/>\n8 + k + 8 + k = 40.<br \/>\nIf k = 10 -&gt; 8 + 10 + 8 + 10 = 36.<br \/>\nIf k = 11 -&gt; 8 + 11 + 8 + 11 = 38.<br \/>\nIf k = 12 -&gt; 8 + 12 + 8 + 12 = 40.<br \/>\nSo, the length of the room = 12 feet.<\/p>\n<h3><a id=\"Mid_-Chapter_Checkpoint_\u2013_Page_No._661\"><\/a>Mid -Chapter Checkpoint &#8211; Page No. 661<\/h3>\n<p><strong>Vocabulary<\/strong><\/p>\n<p><strong>Choose the best term from the box.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-52.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoin img 52\" width=\"177\" height=\"127\" \/><\/p>\n<p>Question 1.<br \/>\nThe distance around a figure is the _____________ .<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\nPerimeter<\/p>\n<p>Question 2.<br \/>\nThe measure of the number of unit squares needed to cover a figure with no gaps or overlaps is the _____________ .<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\nArea<\/p>\n<p><strong>Concepts and Skills<\/strong><\/p>\n<p><strong>Find the perimeter of the figure. Each unit is 1 centimeter.<\/strong><\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-53.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoin img 53\" width=\"169\" height=\"121\" \/><br \/>\n_______ centimeters<\/p>\n<p>Answer:<br \/>\n16 centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1711\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Concepts-and-Skills-image-32.-jpg-2.jpg\" alt=\"Chapter 11 - Concepts and Skills -image 32. jpg (2)\" width=\"191\" height=\"143\" \/><br \/>\n5 + 2 + 2 + 1 + 2 + 1 + 1 + 2 = 16 centimeters.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-54.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoin img 54\" width=\"163\" height=\"122\" \/><br \/>\n_______ centimeters<\/p>\n<p>Answer:<br \/>\n14 cm<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1704\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Concepts-and-Skills-image-33.-jpg.jpg\" alt=\"Chapter 11 - Concepts and Skills -image 33. jpg\" width=\"189\" height=\"146\" \/><br \/>\n4 + 3 + 4 + 3 = 14 cm.<\/p>\n<p><strong>Find the unknown side lengths.<\/strong><\/p>\n<p>Question 5.<br \/>\nPerimeter = 33 centimeters<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-55.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoin img 55\" width=\"208\" height=\"106\" \/><br \/>\ng = ______ centimeters<\/p>\n<p>Answer:<br \/>\n3 centimeters<\/p>\n<p>Explanation:<br \/>\nGiven that Perimeter = 33 centimeters.<br \/>\n10 + 6 + 10 + g + 4 = 33 centimeters.<br \/>\n30 + g = 33 centimeters.<br \/>\ng= 33 &#8211; 30 centimeters.<br \/>\ng = 3 centimeters.<\/p>\n<p>Question 6.<br \/>\nPerimeter = 32 feet<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-56.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoin img 56\" width=\"172\" height=\"96\" \/><br \/>\nk = ______ feet<\/p>\n<p>Answer:<br \/>\n4 feet<\/p>\n<p>Explanation:<br \/>\nPerimeter = 32 feet.<br \/>\n12 ft + k + 12 ft + k = 32 feet.<br \/>\nIf k = 1 then 12 + 1 + 12 + 1 = 26 feet not equal to 32 feet.<br \/>\nIf k = 2 then 12 + 2 + 12 + 2 = 28 feet not equal to 32 feet.<br \/>\nIf k = 3 then 12 + 3 + 12 + 3 = 30 feet not equal to 32 feet.<br \/>\nIf k = 4 then 12 + 4 + 12 + 4 = 32 feet equal to 32 feet.<br \/>\nSo, k = 4 feet.<\/p>\n<p><strong>Find the area of the figure. Each unit square is 1 square meter.<\/strong><\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-57.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoin img 57\" width=\"114\" height=\"93\" \/><br \/>\n______ square meters<\/p>\n<p>Answer:<br \/>\n14 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1705\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Concepts-and-Skills-image-32.jpg\" alt=\"Chapter 11 - Concepts and Skills -image 32\" width=\"135\" height=\"91\" \/><\/p>\n<p>Question 8.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-58.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoin img 58\" width=\"222\" height=\"71\" \/><br \/>\n______ square meters<\/p>\n<p>Answer:<br \/>\n30 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1713\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Concepts-and-Skills-image-33-2.jpg\" alt=\"Chapter 11 - Concepts and Skills -image 33 (2)\" width=\"249\" height=\"102\" \/><br \/>\n10 x 3 = 30 square meters.<\/p>\n<h3><a id=\"Mid_-Chapter_Checkpoint_Lesson_Check_\u2013_Page_No._662\"><\/a>Mid -Chapter Checkpoint &#8211; Page No. 662<\/h3>\n<p>Question 9.<br \/>\nRamona is making a lid for her rectangular jewelry box. The jewelry box has side lengths of 6 centimeters and 4 centimeters. What is the area of the lid Ramona is making?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-59.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoint img 59\" width=\"186\" height=\"117\" \/><br \/>\n______ square meters<\/p>\n<p>Answer:<br \/>\n24 square meters.<\/p>\n<p>Explanation:<br \/>\nThe area of the lid = 4 cm x 6 cm = 24 cm.<br \/>\nRamona making 24 cm lid for her rectangular jewelry box.<\/p>\n<p>Question 10.<br \/>\nAdrienne is decorating a square picture frame. She glued 36 inches of ribbon around the edge of the frame. What is the length of each side of the picture frame?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-60.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoint img 60\" width=\"107\" height=\"103\" \/><br \/>\na = ______ inches<\/p>\n<p>Answer:<br \/>\n9 inches<\/p>\n<p>Explanation:<br \/>\nA square has the same lengths.<br \/>\nThe length of each side 4 x a = 36 inches.<br \/>\na = 36\/4 = 9 inches.<\/p>\n<p>Question 11.<br \/>\nMargo will sweep a room. A diagram of the floor that she needs to sweep is shown at the right. What is the area of the floor?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-61.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoint img 61\" width=\"197\" height=\"106\" \/><br \/>\n______ square units<\/p>\n<p>Answer:<br \/>\n27 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1734\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Mid-chapter-checkpoint-image-38-662-300x130.jpg\" alt=\"Chapter 11 - Mid chapter checkpoint - image 38 662\" width=\"224\" height=\"97\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Mid-chapter-checkpoint-image-38-662-300x130.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Mid-chapter-checkpoint-image-38-662.jpg 453w\" sizes=\"(max-width: 224px) 100vw, 224px\" \/><br \/>\n27 square units<\/p>\n<p>Question 12.<br \/>\nJeff is making a poster for a car wash for the Campout Club. What is the perimeter of the poster?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-62.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Mid -Chapter Checkpoint img 62\" width=\"274\" height=\"116\" \/><br \/>\n______ feet<\/p>\n<p>Answer:<br \/>\n8 ft<\/p>\n<p>Explanation:<br \/>\nPerimeter = 3 + 1 + 3 + 1 = 8 ft.<\/p>\n<p>Question 13.<br \/>\nA rectangle has two side lengths of 8 inches and two side lengths of 10 inches. What is the perimeter of the rectangle? What is the area of the rectangle?<br \/>\nPerimeter ______ inches<br \/>\nArea = ______ square inches<\/p>\n<p>Answer:<br \/>\nPerimeter = 36 inches.<br \/>\nArea = 80 square inches.<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1728\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Mid-chapter-checkpoint-image-39.jpg\" alt=\"Chapter 11 - Mid chapter checkpoint - image 39\" width=\"233\" height=\"146\" \/><br \/>\nThe perimeter of the rectangle = 8 + 10 + 8 + 10 = 36.<br \/>\nArea = 10 x 8 = 80 square inches.<\/p>\n<h3><a id=\"Problem_Solving_Area_of_Rectangles_\u2013_Page_No._667\"><\/a>Problem Solving Area of Rectangles &#8211; Page No. 667<\/h3>\n<p><strong>Use the information for 1\u20133.<\/strong><\/p>\n<p>An artist makes rectangular murals in different sizes. Below are the available sizes. Each unit square is 1 square meter.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-63.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Problem Solving Area of Rectangles img 63\" width=\"461\" height=\"91\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-1736\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-problem-solving-area-of-rectangles-images-39-300x63.jpg\" alt=\"Chapter 11 - problem solving area of rectangles-images 39\" width=\"453\" height=\"95\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-problem-solving-area-of-rectangles-images-39-300x63.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-problem-solving-area-of-rectangles-images-39-768x161.jpg 768w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-problem-solving-area-of-rectangles-images-39.jpg 859w\" sizes=\"(max-width: 453px) 100vw, 453px\" \/><\/p>\n<p>Question 1.<br \/>\nComplete the table to find the area of each mural.<\/p>\n<table border=\"2\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\" width=\"156\">Mural<\/td>\n<td style=\"text-align: center;\" width=\"156\">Length (in meters)<\/td>\n<td style=\"text-align: center;\" width=\"156\">Width (in meters)<\/td>\n<td style=\"text-align: center;\" width=\"156\">Area (in square meters)<\/td>\n<\/tr>\n<tr>\n<td width=\"156\">A<\/td>\n<td width=\"156\">2<\/td>\n<td width=\"156\">1<\/td>\n<td width=\"156\">2<\/td>\n<\/tr>\n<tr>\n<td width=\"156\">B<\/td>\n<td width=\"156\">2<\/td>\n<td width=\"156\">2<\/td>\n<td width=\"156\">4<\/td>\n<\/tr>\n<tr>\n<td width=\"156\">C<\/td>\n<td width=\"156\">2<\/td>\n<td width=\"156\">__4_______<\/td>\n<td width=\"156\">__8_______<\/td>\n<\/tr>\n<tr>\n<td width=\"156\">D<\/td>\n<td width=\"156\">2<\/td>\n<td width=\"156\">____8_____<\/td>\n<td width=\"156\">___16______<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Question 2.<br \/>\nFind and describe a pattern of how the length changes and how the width changes for murals A through D.<br \/>\nType below:<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\nFor each mural, the width doubles and the length stays the same.<\/p>\n<p>Question 3.<br \/>\nHow do the areas of the murals change when the width changes?<br \/>\nType below:<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\nFor each mural, the area doubles.<\/p>\n<p>Question 4.<br \/>\nDan built a deck that is 5 feet long and 5 feet wide. He built another deck that is 5 feet long and 7 feet wide. He built a third deck that is 5 feet long and 9 feet wide. How do the areas change?<br \/>\nType below:<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\nThe area of each deck is increased by 10 square feet.<\/p>\n<p>Explanation:<br \/>\n1st deck area = 5 x 5 = 25 feet.<br \/>\n2nd deck area = 5 x 7 = 35 feet.<br \/>\n3rd deck area = 5 x 9 = 45 feet.<br \/>\nThe area of each deck is increased by 10 square feet.<\/p>\n<h3><a id=\"Problem_Solving_Area_of_Rectangles_Lesson_Check_\u2013_Page_No._668\"><\/a>Problem Solving Area of Rectangles &#8211; Page No. 668<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nLauren drew the designs below. Each unit square is 1 square centimeter. If the pattern continues, what will be the area of the fourth shape?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-64.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Problem Solving Area of Rectangles img 64\" width=\"212\" height=\"94\" \/><br \/>\nOptions:<br \/>\na. 10 square centimeters<br \/>\nb. 12 square centimeters<br \/>\nc. 14 square centimeters<br \/>\nd. 16 square centimeters<\/p>\n<p>Answer:<br \/>\nb. 12 square centimeters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1740\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-problem-solving-area-of-rectangles-images-40.jpg\" alt=\"Chapter 11 - problem solving area of rectangles-images 40\" width=\"144\" height=\"108\" \/><br \/>\n4 x 3 = 12 cm. The area of the fourth shape is 12 square centimeters.<\/p>\n<p>Question 2.<br \/>\nHenry built one garden that is 3 feet wide and 3 feet long. He also built a garden that is 3 feet wide and 6 feet long, and a garden that is 3 feet wide and 9 feet long. How do the areas change?<br \/>\nOptions:<br \/>\na. The areas do not change.<br \/>\nb. The areas double.<br \/>\nc. The areas increase by 3 square feet.<br \/>\nd. The areas increase by 9 square feet.<\/p>\n<p>Answer:<br \/>\nd. The areas increase by 9 square feet.<\/p>\n<p>Explanation:<br \/>\n1st garden = 3 x 3 = 9 feet.<br \/>\n2nd garden = 3 x 6 = 18 feet.<br \/>\n3rd garden = 3 x 9 = 27 feet.<br \/>\nThe areas increase by 9 square feet.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nJoe, Jim, and Jack share 27 football cards equally. How many cards does each boy get?<br \/>\nOptions:<br \/>\na. 7<br \/>\nb. 8<br \/>\nc. 9<br \/>\nd. 10<\/p>\n<p>Answer:<br \/>\nc. 9<\/p>\n<p>Explanation:<br \/>\nx + x + x = 27.<br \/>\n3x = 27.<br \/>\nx = 27\/3 = 9.<br \/>\nEach boy gets 9 football cards.<\/p>\n<p>Question 4.<br \/>\nNita uses \\(\\frac{1}{3}\\) of a carton of 12 eggs. How many eggs does she use?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-65.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Problem Solving Area of Rectangles img 65\" width=\"75\" height=\"97\" \/><br \/>\nOptions:<br \/>\na. 3<br \/>\nb. 4<br \/>\nc. 6<br \/>\nd. 9<\/p>\n<p>Answer:<br \/>\nb. 4<\/p>\n<p>Explanation:<br \/>\n\\(\\frac{1}{3}\\) of a carton of 12 eggs = \\(\\frac{1}{3}\\) x 12 = 4.<br \/>\nNita uses 4 eggs.<\/p>\n<p>Question 5.<br \/>\nBrenda made 8 necklaces. Each necklace has 10 large beads. How many large beads did Brenda use to make the necklaces?<br \/>\nOptions:<br \/>\na. 80<br \/>\nb. 85<br \/>\nc. 90<br \/>\nd. 100<\/p>\n<p>Answer:<br \/>\na. 80<\/p>\n<p>Explanation:<br \/>\n8 x 10 = 80 beads.<br \/>\nBrenda uses 80 beads to make the necklaces<\/p>\n<p>Question 6.<br \/>\nNeal is tiling his kitchen floor. Each square tile is 1 square foot. Neal uses 6 rows of tiles with 9 tiles in each row. What is the area of the floor?<br \/>\nOptions:<br \/>\na. 15 square feet<br \/>\nb. 52 square feet<br \/>\nc. 54 square feet<br \/>\nd. 57 square feet<\/p>\n<p>Answer:<br \/>\nc. 54 square feet<\/p>\n<p>Explanation:<br \/>\nThe area of the floor = 6 x 9 = 54 square feet.<\/p>\n<h3><a id=\"Area_of_Combined_Rectangles_\u2013_Page_No._673\"><\/a>Area of Combined Rectangles &#8211; Page No. 673<\/h3>\n<p><strong>Use the Distributive Property to find the area.<\/strong><br \/>\n<strong>Show your multiplication and addition equations.<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-66.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 66\" width=\"314\" height=\"242\" \/><\/p>\n<p>Answer:<br \/>\n28 Square Units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1744\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-40-300x204.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 40\" width=\"251\" height=\"171\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-40-300x204.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-40.jpg 426w\" sizes=\"(max-width: 251px) 100vw, 251px\" \/><\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-67.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 67\" width=\"251\" height=\"95\" \/><br \/>\n_______ square units<\/p>\n<p>Answer:<br \/>\n27 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1745\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-41-300x153.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 41\" width=\"245\" height=\"125\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-41-300x153.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-41.jpg 344w\" sizes=\"(max-width: 245px) 100vw, 245px\" \/><br \/>\n3 x 3 = 9; 3 x 6 = 18.<br \/>\n9 + 18 = 27<br \/>\n27 square units.<\/p>\n<p><strong>Draw a line to break apart the shape into rectangles. Find the area of the shape.<\/strong><\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-68.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 68\" width=\"199\" height=\"146\" \/><br \/>\nType below:<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\n31 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1746\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-42-300x176.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 42\" width=\"223\" height=\"131\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-42-300x176.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-42.jpg 337w\" sizes=\"(max-width: 223px) 100vw, 223px\" \/><br \/>\n5 x 5 = 25; 2 x 3 = 6<br \/>\n25 + 6 = 31<br \/>\n31 square units<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-69.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 69\" width=\"230\" height=\"175\" \/><br \/>\nType below:<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\n32 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1747\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-43-300x168.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 43\" width=\"280\" height=\"157\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-43-300x168.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-43.jpg 346w\" sizes=\"(max-width: 280px) 100vw, 280px\" \/><br \/>\n4 x 4 = 16; 2 x 8 = 16.<br \/>\n16 + 16 = 32.<br \/>\n32 square units<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p><strong>A diagram of Frank\u2019s room is at right. Each unit square is 1 square foot.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-70.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 70\" width=\"296\" height=\"261\" \/><\/p>\n<p>Question 5.<br \/>\nDraw a line to divide the shape of Frank\u2019s room into rectangles.<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1758\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-45-2.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 45 (2)\" width=\"289\" height=\"218\" \/><\/p>\n<p>Question 6.<br \/>\nWhat is the total area of Frank\u2019s room?<br \/>\n_______ square feet<\/p>\n<p>Answer:<br \/>\n75 square feet<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1748\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-44-300x208.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 44\" width=\"324\" height=\"225\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-44-300x208.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-44.jpg 344w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><br \/>\n6 x 5 = 30; 5 x 9 = 45<br \/>\n30 + 45 = 75.<br \/>\n75 square feet<\/p>\n<h3><a id=\"Area_of_Combined_Rectangles_Lesson_Check_\u2013_Page_No._674\"><\/a>Area of Combined Rectangles &#8211; Page No. 674<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nThe diagram shows Ben\u2019s backyard. Each unit square is 1 square yard. What is the area of Ben\u2019s backyard?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-71.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 71\" width=\"165\" height=\"90\" \/><br \/>\nOptions:<br \/>\na. 12 square yards<br \/>\nb. 16 square yards<br \/>\nc. 18 square yards<br \/>\nd. 24 square yards<\/p>\n<p>Answer:<br \/>\nb. 16 square yards<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-1749\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-45.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 45\" width=\"222\" height=\"156\" \/><br \/>\n6 x 3 = 18 square yards<\/p>\n<p>Question 2.<br \/>\nThe diagram shows a room in an art gallery. Each unit square is 1 square meter. What is the area of the room?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-72.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 72\" width=\"226\" height=\"149\" \/><br \/>\nOptions:<br \/>\na. 24 square meters<br \/>\nb. 30 square meters<br \/>\nc. 36 square meters<br \/>\nd. 40 square meters<\/p>\n<p>Answer:<br \/>\nb. 30 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1750\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-46-300x209.jpg\" alt=\"Chapter 11 - area of combined rectangles - image 46\" width=\"274\" height=\"191\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-46-300x209.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-area-of-combined-rectangles-image-46.jpg 313w\" sizes=\"(max-width: 274px) 100vw, 274px\" \/><br \/>\n3 x 5 = 15; 3 x 5 = 15<br \/>\n15 + 15 = 30 square meters<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nNaomi needs to solve 28 \u00f7 7 = \u25a0. What related multiplication fact can she use to find the unknown number?<br \/>\nOptions:<br \/>\na. 3 \u00d7 7 = 21<br \/>\nb. 4 \u00d7 7 = 28<br \/>\nc. 5 \u00d7 7 = 35<br \/>\nd. 6 \u00d7 7 = 42<\/p>\n<p>Answer:<br \/>\nb. 4 \u00d7 7 = 28<\/p>\n<p>Explanation:<br \/>\n28 \u00f7 7 = 4. So, 4 x 7 = 28 is the answer.<\/p>\n<p>Question 4.<br \/>\nKaren drew a triangle with side lengths 3 centimeters, 4 centimeters, and 5 centimeters. What is the perimeter of the triangle?<br \/>\nOptions:<br \/>\na. 7 centimeters<br \/>\nb. 9 centimeters<br \/>\nc. 11 centimeters<br \/>\nd. 12 centimeters<\/p>\n<p>Answer:<br \/>\nd. 12 centimeters<\/p>\n<p>Explanation:<br \/>\nPerimeter = 3 centimeters + 4 centimeters + 5 centimeters = 12 centimeters.<\/p>\n<p>Question 5.<br \/>\nThe rectangle is divided into equal parts. What is the name of the equal parts?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-73.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 73\" width=\"226\" height=\"43\" \/><br \/>\nOptions:<br \/>\na. half<br \/>\nb. third<br \/>\nc. fourth<br \/>\nd. sixth<\/p>\n<p>Answer:<br \/>\nc. fourth<\/p>\n<p>Question 6.<br \/>\nUse an inch ruler. To the nearest half inch, how long is this line segment?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-74.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Area of Combined Rectangles img 74\" width=\"224\" height=\"38\" \/><br \/>\nOptions:<br \/>\na. 1<br \/>\nb. 1 \\(\\frac{1}{2}\\)<br \/>\nc. 2<br \/>\nd. 2 \\(\\frac{1}{2}\\)<\/p>\n<p>Answer:<br \/>\nc. 2<\/p>\n<p>Explanation:<br \/>\nThe line segment = 2 inches.<\/p>\n<h3><a id=\"Same_Perimeter,_Different_Areas_\u2013_Page_No._679\"><\/a>Same Perimeter, Different Areas &#8211; Page No. 679<\/h3>\n<p><strong>Find the perimeter and the area.<\/strong><br \/>\n<strong>Tell which rectangle has a greater area.<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-75.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 75\" width=\"315\" height=\"150\" \/><br \/>\nA: Perimeter = <span style=\"text-decoration: underline;\">12<\/span> ;<br \/>\nArea = <span style=\"text-decoration: underline;\">9 square units<\/span><\/p>\n<p>B: Perimeter = ______ units;<br \/>\nArea = ______ square units;<br \/>\nRectangle ______ has a greater area.<\/p>\n<p>Answer:<br \/>\nRectangle A has a greater area.<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-1761\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-1-300x133.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 1\" width=\"300\" height=\"133\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-1-300x133.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-1.jpg 381w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\nA: Perimeter = 12 ;<br \/>\nArea = 9 square units<br \/>\nB: Perimeter = 2 + 4 + 2 + 4 = 12<br \/>\nArea = 2 x 4 = 8 square units<br \/>\nRectangle A has a greater area.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-76.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 76\" width=\"169\" height=\"190\" \/><br \/>\nA: Perimeter = ______ units;<br \/>\nArea = ______ square units;<\/p>\n<p>B: Perimeter = ______ units;<br \/>\nArea = ______ square units;<br \/>\nRectangle ______ has a greater area.<\/p>\n<p>Answer:<br \/>\nRectangle A has a greater area.<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1762\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-2-300x194.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 2\" width=\"232\" height=\"150\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-2-300x194.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-2.jpg 360w\" sizes=\"(max-width: 232px) 100vw, 232px\" \/><\/p>\n<p>A: Perimeter = 4 + 1 + 4 + 1 = 10<br \/>\nArea = 4 x 1 = 4 square units<br \/>\nB: Perimeter = 3 + 2 + 3 + 2 = 10<br \/>\nArea = 3 x 2 = 6 square units<br \/>\nRectangle B has a greater area.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nTara\u2019s and Jody\u2019s bedrooms are shaped like rectangles. Tara\u2019s bedroom is 9 feet long and 8 feet wide. Jody\u2019s bedroom is 7 feet long and 10 feet wide. Whose bedroom has the greater area? Explain.<br \/>\n_________ &#8216;s bedrooms is greater.<\/p>\n<p>Answer:<br \/>\nTara\u2019s bedroom has a greater area than Jody\u2019s bedroom area.<\/p>\n<p>Explanation:<br \/>\nTara\u2019s bedroom area = 9 x 8 = 72 feet.<br \/>\nJody\u2019s bedroom area = 7 x 10 = 70 feet.<br \/>\n72 feet &gt; 70 feet.<br \/>\nTara\u2019s bedroom has a greater area than Jody\u2019s bedroom area.<\/p>\n<p>Question 4.<br \/>\nMr. Sanchez has 16 feet of fencing to put around a rectangular garden. He wants the garden to have the greatest possible area. How long should the sides of the garden be?<br \/>\nWidth: ______ Length: ______ feet long<\/p>\n<p>Answer:<br \/>\nAll four sides should be 4 feet long.<\/p>\n<p>Explanation:<br \/>\nMr. Sanchez has 16 feet of fencing to put around a rectangular garden.<br \/>\nPerimeter = 1 + 7 + 1 + 7 = 16 feet. Area = 1 x 7 = 7 feet.<br \/>\nPerimeter = 2 + 6 + 2 + 6 = 16 feet. Area = 2 x 6 = 12 feet.<br \/>\nPerimeter = 3 + 5 + 3 + 5 = 16 feet. Area = 3 x 5 = 15 feet.<br \/>\nperimeter = 4 + 4 + 4 + 4 = 16 feet. Area = 4 x 4 = 16 feet.<br \/>\nThe area is maximum when all the four sides are 4 feet long.<\/p>\n<h3><a id=\"Same_Perimeter,_Different_Areas_Lesson_Check_\u2013_Page_No._680\"><\/a>Same Perimeter, Different Areas &#8211; Page No. 680<\/h3>\n<p>Question 1.<br \/>\nWhich shape has a perimeter of 12 units and an area of 8 square units?<br \/>\nOptions:<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-77.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 77\" width=\"92\" height=\"92\" \/><br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-78.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 78\" width=\"119\" height=\"64\" \/><br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-79.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 79\" width=\"117\" height=\"92\" \/><br \/>\nd. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-80.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 80\" width=\"146\" height=\"37\" \/><\/p>\n<p>Answer:<br \/>\n<strong>b<\/strong><\/p>\n<p>Explanation:<br \/>\nPerimeter = 2 + 4 + 2 + 4 = 12 units.<br \/>\nArea = 2 x 4 = 8 square units<\/p>\n<p>Question 2.<br \/>\nAll four rectangles below have the same perimeter. Which rectangle has the greatest area?<br \/>\nOptions:<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-81.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 81\" width=\"287\" height=\"66\" \/><br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-82.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 82\" width=\"258\" height=\"92\" \/><br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-83.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 83\" width=\"229\" height=\"118\" \/><br \/>\nd. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-84.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Perimeter, Different Areas img 84\" width=\"201\" height=\"147\" \/><\/p>\n<p>Answer:<br \/>\n<strong>d<\/strong><\/p>\n<p>Explanation:<br \/>\na. Area = 2 x 10 = 20.<br \/>\nb. Area = 3 x 9 = 27.<br \/>\nc. Area = 4 x 8 = 32.<br \/>\nd. Area = 5 x 7 = 35.<br \/>\nd has the greatest area.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nKerrie covers a table with 8 rows of square tiles. There are 7 tiles in each row. What is the area that Kerrie covers in square units?<br \/>\nOptions:<br \/>\na. 15 square units<br \/>\nb. 35 square units<br \/>\nc. 42 square units<br \/>\nd. 56 square units<\/p>\n<p>Answer:<br \/>\nd. 56 square units<\/p>\n<p>Explanation:<br \/>\nArea = 8 x 7 = 56.<br \/>\nKerrie covers 56 square units area.<\/p>\n<p>Question 4.<br \/>\nVon has a rectangular workroom with a perimeter of 26 feet. The length of the workroom is 6 feet. What is the width of Von\u2019s workroom?<br \/>\nOptions:<br \/>\na. 7 feet<br \/>\nb. 13 feet<br \/>\nc. 20 feet<br \/>\nd. 26 feet<\/p>\n<p>Answer:<br \/>\na. 7 feet<\/p>\n<p>Explanation:<br \/>\nPerimeter = 26 feet.<br \/>\nLength = 6 feet.<br \/>\nGiven Von has a rectangular workroom. So, two lengths and two widths are the same for a rectangle.<br \/>\nPerimeter of a rectangle = Length + Width + Length + Width = 6 + W + 6 + W = 26 feet.<br \/>\n12 + 2W = 26 feet.<br \/>\n2W = 26 &#8211; 12 = 14.<br \/>\nW = 14\/2 = 7 feet.<\/p>\n<h3><a id=\"Same_Perimeter,_Different_Areas_Lesson_Check_1_\u2013_Page_No._685\"><\/a>Same Perimeter, Different Areas &#8211; Page No. 685<\/h3>\n<p><strong>Find the perimeter and the area. Tell which rectangle has a greater perimeter.<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-85.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 85\" width=\"219\" height=\"155\" \/><br \/>\nA: Area = <span style=\"text-decoration: underline;\">8 square units<\/span> ;<br \/>\nPerimeter = <span style=\"text-decoration: underline;\">18 units<\/span> ;<\/p>\n<p>B: Area = _______ square units;<br \/>\nPerimeter = _______ units;<br \/>\nRectangle _______ has a greater perimeter.<\/p>\n<p>Answer:<br \/>\nRectangle A has a greater perimeter<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1901\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-5.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 5\" width=\"200\" height=\"170\" \/><br \/>\nA: Area = <span style=\"text-decoration: underline;\">8 square units<\/span> ;<br \/>\nPerimeter = <span style=\"text-decoration: underline;\">18 units<\/span> ;<br \/>\nB: Area = ___8____ square units;<br \/>\nPerimeter = ____12___ units;<br \/>\nRectangle ___A____ has a greater perimeter.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-86.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 86\" width=\"115\" height=\"109\" \/><br \/>\nA: Area = _______ square units;<br \/>\nPerimeter = _______ units;<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-87.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 87\" width=\"174\" height=\"86\" \/><br \/>\nB: Area = _______ square units;<br \/>\nPerimeter = _______ units;<br \/>\nRectangle _______ has a greater perimeter.<\/p>\n<p>Answer:<br \/>\nRectangle B has a greater perimeter<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1902\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-6.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 6\" width=\"120\" height=\"97\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1903\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-7.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 7\" width=\"170\" height=\"97\" \/><br \/>\nA: Area = 12<span style=\"text-decoration: underline;\">\u00a0square units<\/span> ;<br \/>\nPerimeter = <span style=\"text-decoration: underline;\">14 units<\/span> ;<br \/>\nB: Area = ___12____ square units;<br \/>\nPerimeter = ____16___ units;<br \/>\nRectangle ___B____ has a greater perimeter.<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-88.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 88\" width=\"120\" height=\"138\" \/><br \/>\nA: Area = _______ square units;<br \/>\nPerimeter = _______ units;<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-89.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 89\" width=\"222\" height=\"90\" \/><br \/>\nB: Area = _______ square units;<br \/>\nPerimeter = _______ units;<br \/>\nRectangle _______ has a greater perimeter.<\/p>\n<p>Answer:<br \/>\nRectangle B has a greater perimeter<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1904\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-8.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 8\" width=\"126\" height=\"111\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1905\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-9-300x157.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 9\" width=\"170\" height=\"88\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-9-300x157.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-9.jpg 335w\" sizes=\"(max-width: 170px) 100vw, 170px\" \/><br \/>\nA: Area = 16<span style=\"text-decoration: underline;\">\u00a0square units<\/span> ;<br \/>\nPerimeter = <span style=\"text-decoration: underline;\">16 units<\/span> ;<br \/>\nB: Area = ___16____ square units;<br \/>\nPerimeter = ____20___ units;<br \/>\nRectangle ___B____ has a greater perimeter.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p><strong>Use the tile designs for 4\u20135.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-90.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 90\" width=\"303\" height=\"273\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-1906\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-10-300x181.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 10\" width=\"260\" height=\"157\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-10-300x181.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-10.jpg 472w\" sizes=\"(max-width: 260px) 100vw, 260px\" \/><\/p>\n<p>Question 4.<br \/>\nCompare the areas of Design A and Design B.<br \/>\nThe area of Design A ________ The area of Design B<\/p>\n<p>Answer:<br \/>\nThe area of Rectangle A and Rectangle B are equal.<\/p>\n<p>Explanation:<br \/>\nA: Area = 20 <span style=\"text-decoration: underline;\">square units<\/span> ;<br \/>\nB: Area = ___20____ square units;<\/p>\n<p>Question 5.<br \/>\nCompare the perimeters. Which design has the greater perimeter?<br \/>\nThe perimeter of A ________ The perimeter of B<\/p>\n<p>Answer:<br \/>\nThe perimeter of A Greater than the perimeter of B<\/p>\n<p>Explanation:<br \/>\nA: Perimeter = <span style=\"text-decoration: underline;\">24 units<\/span> ;<br \/>\nB: Perimeter = ____18___ units;<\/p>\n<h3><a id=\"Same_Perimeter,_Different_Areas_Lesson_Check_2_\u2013_Page_No._686\"><\/a>Same Perimeter, Different Areas &#8211; Page No. 686<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nJake drew two rectangles. Which statement is true?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-91.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 91\" width=\"244\" height=\"114\" \/><br \/>\nOptions:<br \/>\na. The perimeters are the same.<br \/>\nb. The area of A is greater.<br \/>\nc. The perimeter of A is greater.<br \/>\nd. The perimeter of B is greater<\/p>\n<p>Answer:<br \/>\nd. The perimeter of B is greater<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1907\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-11.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 11\" width=\"253\" height=\"159\" \/><br \/>\nA: Area = 6 <span style=\"text-decoration: underline;\">square units<\/span> ;<br \/>\nPerimeter = <span style=\"text-decoration: underline;\">10 units<\/span> ;<br \/>\nB: Area = ___6____ square units;<br \/>\nPerimeter = ____14___ units;<br \/>\nThe perimeter of B is greater.<\/p>\n<p>Question 2.<br \/>\nAlyssa drew two rectangles. Which statement is true?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-92.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 92\" width=\"250\" height=\"205\" \/><br \/>\nOptions:<br \/>\na. The perimeter of B is greater.<br \/>\nb. The perimeter of A is greater.<br \/>\nc. The area of B is greater.<br \/>\nd. The perimeters are the same.<\/p>\n<p>Answer:<br \/>\nb. The perimeter of A is greater.<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1908\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-12-300x261.jpg\" alt=\"Chapter 11 - same perimeter, different areas - image 12\" width=\"229\" height=\"199\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-12-300x261.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-same-perimeter-different-areas-image-12.jpg 303w\" sizes=\"(max-width: 229px) 100vw, 229px\" \/><br \/>\nA: Area = 18 <span style=\"text-decoration: underline;\">square units<\/span> ;<br \/>\nPerimeter = 22<span style=\"text-decoration: underline;\">\u00a0units<\/span> ;<br \/>\nB: Area = ___18____ square units;<br \/>\nPerimeter = ____18___ units;<br \/>\nThe perimeter of A is greater.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nMarsha was asked to find the value of 8 &#8211; 3 x 2. She wrote a wrong answer. Which is the correct answer?<br \/>\nOptions:<br \/>\na. 22<br \/>\nb. 10<br \/>\nc. 4<br \/>\nd. 2<\/p>\n<p>Answer:<br \/>\nd. 2<\/p>\n<p>Explanation:<br \/>\n8 &#8211; (3 x 2) = 8 &#8211; 6 = 2<\/p>\n<p>Question 4.<br \/>\nWhat fraction names the point on the number line?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-93.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Same Area, Different Perimeters img 93\" width=\"336\" height=\"66\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{1}{4}\\)<br \/>\nb. \\(\\frac{2}{3}\\)<br \/>\nc. \\(\\frac{3}{4}\\)<br \/>\nd. \\(\\frac{3}{1}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{3}{4}\\)<\/p>\n<p>Explanation:<br \/>\nFrom the given figure, we can write the fraction name the point on the number line = \\(\\frac{3}{4}\\)<\/p>\n<p>Question 5.<br \/>\nKyle drew three line segments with these lengths: \\(\\frac{2}{4}\\) inch, \\(\\frac{2}{3}\\) inch, and \\(\\frac{2}{6}\\) inch. Which list orders the fractions from least to greatest?<br \/>\nOptions:<br \/>\na. \\(\\frac{2}{6}, \\frac{2}{4}, \\frac{2}{3}\\)<br \/>\nb. \\(\\frac{2}{3}, \\frac{2}{4}, \\frac{2}{6}\\)<br \/>\nc. \\(\\frac{2}{4}, \\frac{2}{3}, \\frac{2}{6}\\)<br \/>\nd. \\(\\frac{2}{6}, \\frac{2}{3}, \\frac{2}{4}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{3}{4}\\)<\/p>\n<p>Explanation:<br \/>\nGiven fractions are \\(\\frac{2}{4}\\) inch, \\(\\frac{2}{3}\\) inch, and \\(\\frac{2}{6}\\) inch.<br \/>\nAll the fractions have the same numerator. The denominators should compare to find the answer. The smaller denominator represents the larger number. So, \\(\\frac{2}{6}, \\frac{2}{4}, \\frac{2}{3}\\) is the answer.<\/p>\n<p>Question 6.<br \/>\nOn Monday, \\(\\frac{3}{8}\\) inch of snow fell. On Tuesday, \\(\\frac{5}{8}\\) inch of snow fell. Which statement correctly compares the snow amounts?<br \/>\nOptions:<br \/>\na. \\(\\frac{3}{8}=\\frac{5}{8}\\)<br \/>\nb. \\(\\frac{3}{8}&lt;\\frac{5}{8}\\)<br \/>\nc. \\(\\frac{5}{8}&lt;\\frac{3}{8}\\)<br \/>\nd. \\(\\frac{3}{8}&gt;\\frac{5}{8}\\)<\/p>\n<p>Answer:<br \/>\nb. \\(\\frac{3}{8}&lt;\\frac{5}{8}\\)<\/p>\n<p>Explanation:<br \/>\nGiven fractions are \\(\\frac{3}{8}\\) and \\(\\frac{5}{8}\\).<br \/>\nThe denominators are equal for given fractions. So, compare numerators to find the correct equation.<br \/>\n3 &lt; 5. So, \\(\\frac{3}{8}&lt;\\frac{5}{8}\\) is the correct answer.<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._687\"><\/a>Review\/Test &#8211; Page No. 687<\/h3>\n<p>Question 1.<br \/>\nFind the perimeter of each figure on the grid. Identify the figure that have a perimeter of 14 units. Mark all that apply.<br \/>\nOptions:<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-94.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 94\" width=\"103\" height=\"122\" \/><br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-95.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 95\" width=\"122\" height=\"123\" \/><br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-96.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 96\" width=\"105\" height=\"125\" \/><br \/>\nd. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-97.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 97\" width=\"122\" height=\"123\" \/><\/p>\n<p>Answer:<br \/>\na and c have a perimeter of 14 units.<\/p>\n<p>Explanation:<br \/>\na. The Perimeter of A = 14 units.<br \/>\nb. The perimeter\u00a0of B = 16 units.<br \/>\nc. The perimeter of C = 14 units.<br \/>\nd. The perimeter of D = 16 units<\/p>\n<p>Question 2.<br \/>\nKim wants to put trim around a picture she drew. How many centimeters of trim does Kim need for the perimeter of the picture?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-98.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 98\" width=\"207\" height=\"163\" \/><br \/>\n_________ centimeters<\/p>\n<p>Answer:<br \/>\n24 centimeters<\/p>\n<p>Explanation:<br \/>\nPerimeter = 6 + 6 + 6+ 6 = 24 centimeters.<\/p>\n<p>Question 3.<br \/>\nSophia drew this rectangle on dot paper. What is the area of the rectangle?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-99.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 99\" width=\"152\" height=\"153\" \/><br \/>\n_________ square units<\/p>\n<p>Answer:<br \/>\n8 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1910\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-1.-jpg.jpg\" alt=\"Chapter 11 - review &amp; test - image 1. jpg\" width=\"165\" height=\"115\" \/><br \/>\n8 square units<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._688\"><\/a>Review\/Test &#8211; Page No. 688<\/h3>\n<p>Question 4.<br \/>\nThe drawing shows Seth\u2019s plan for a fort in his backyard. Each unit square is 1 square foot.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-100.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 100\" width=\"169\" height=\"101\" \/><br \/>\nWhich equations can Seth use to find the area of the fort?<br \/>\nMark all that apply.<br \/>\nOptions:<br \/>\na. 4 + 4 + 4 + 4 = 16<br \/>\nb. 7 + 4 + 7 + 4 = 22<br \/>\nc. 7 + 7 + 7 + 7 = 28<br \/>\nd. 4 \u00d7 4 = 16<br \/>\ne. 7 \u00d7 7 = 49<br \/>\nf. 4 \u00d7 7 = 28<\/p>\n<p>Answer:<br \/>\nb and f are correct.<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1911\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-2.-jpg.jpg\" alt=\"Chapter 11 - review &amp; test - image 2. jpg\" width=\"202\" height=\"118\" \/><br \/>\nArea = 4 \u00d7 7 = 28<br \/>\nPerimeter = 7 + 4 + 7 + 4 = 22.<\/p>\n<p>Question 5.<br \/>\nWhich rectangle has a number of square units for its area equal to the number of units of its perimeter?<br \/>\nOptions:<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-101.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 101\" width=\"141\" height=\"24\" \/><br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-102.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 102\" width=\"85\" height=\"83\" \/><br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-103.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 103\" width=\"122\" height=\"44\" \/><br \/>\nd. <img loading=\"lazy\" class=\"alignnone wp-image-1044 size-full\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-104.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 104\" width=\"103\" height=\"63\" \/><\/p>\n<p>Answer:<br \/>\nB rectangle has a number of square units for its area equal to the number of units of its perimeter<\/p>\n<p>Explanation:<br \/>\na. Area = 1 x 7 = 7 units.<br \/>\nPerimeter = 1 + 7 + 1 + 7 = 16 units.<br \/>\nb. a. Area = 4 x 4 = 16 units.<br \/>\nPerimeter = 4 + 4 + 4 + 4 = 16 units.<br \/>\nc. a. Area = 2 x 6 = 12 units.<br \/>\nPerimeter = 2 + 6 + 2 + 6 = 16 units.<br \/>\nd. a. Area = 3 x 5 = 7 units.<br \/>\nPerimeter = 3 + 5 + 3 + 5 = 16 units.<\/p>\n<p>Question 6.<br \/>\nVanessa uses a ruler to draw a square. The perimeter of the square is 12 centimeters. Select a number to complete the sentence.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-105.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 105\" width=\"130\" height=\"133\" \/><\/p>\n<p>The square has a side length of <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-106.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 106\" width=\"76\" height=\"147\" \/> centimeters.<br \/>\n_________ centimeters<\/p>\n<p>Answer:<br \/>\n3 centimeters<\/p>\n<p>Explanation:<br \/>\nPerimeter = s + s + s + s = 12 centimeters.<br \/>\n4s = 12 centimeters.<br \/>\ns = 3 centimeters.<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._689\"><\/a>Review\/Test &#8211; Page No. 689<\/h3>\n<p>Question 7.<br \/>\nTomas drew two rectangles on grid paper.<br \/>\nCircle the words that make the sentence true.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-107.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 107\" width=\"315\" height=\"110\" \/><br \/>\nRectangle A has an area that is <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-108.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 108\" width=\"158\" height=\"142\" \/> the area of Rectangle B, and a perimeter that is <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-109.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 109\" width=\"159\" height=\"140\" \/> the perimeter of Rectangle B.<br \/>\nType below:<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\nRectangle A has an area that is the same as the area of Rectangle B.<br \/>\nA perimeter that is less than the perimeter of Rectangle B.<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1914\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-3.-jpg-300x147.jpg\" alt=\"Chapter 11 - review &amp; test - image 3. jpg\" width=\"218\" height=\"107\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-3.-jpg-300x147.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-3.-jpg.jpg 378w\" sizes=\"(max-width: 218px) 100vw, 218px\" \/><br \/>\nA: Area = 3 x 4 = 12 units.<br \/>\nPerimeter = 3 + 4 + 3 + 4 = 14 units.<br \/>\nB: Area = 2 x 6 = 12 units.<br \/>\nPerimeter = 2 + 6 + 2 + 6 = 16 units.<\/p>\n<p>Question 8.<br \/>\nYuji drew this figure on grid paper. What is the perimeter of the figure?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-110.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 110\" width=\"146\" height=\"128\" \/><br \/>\n________ units<\/p>\n<p>Answer:<br \/>\n18 units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1918\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-Review-689-image-1-300x272.png\" alt=\"chapter 11 Review 689 image 1\" width=\"170\" height=\"154\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-Review-689-image-1-300x272.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-11-Review-689-image-1.png 327w\" sizes=\"(max-width: 170px) 100vw, 170px\" \/><\/p>\n<p>Question 9.<br \/>\nWhat is the area of the figure shown? Each unit square is 1 square meter.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-111.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 111\" width=\"126\" height=\"102\" \/><br \/>\n________ square meters<\/p>\n<p>Answer:<br \/>\n13 square meters<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1913\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-5.-jpg.jpg\" alt=\"Chapter 11 - review &amp; test - image 5. jpg\" width=\"181\" height=\"127\" \/><\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._690\"><\/a>Review\/Test &#8211; Page No. 690<\/h3>\n<p>Question 10.<br \/>\nShawn drew a rectangle that was 2 units wide and 6 units long. Draw a different rectangle that has the same perimeter but a different area.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-112.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 112\" width=\"144\" height=\"110\" \/><br \/>\nType below:<br \/>\n_____________<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1934\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Review-image-1-690-300x248.png\" alt=\"Chapter 11 Review image 1 690\" width=\"215\" height=\"178\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Review-image-1-690-300x248.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-Review-image-1-690.png 505w\" sizes=\"(max-width: 215px) 100vw, 215px\" \/><br \/>\nArea = 2 x 6 = 12 Square Units.<br \/>\nArea = 4 x 4 = 16 Square Units.<\/p>\n<p>Question 11.<br \/>\nMrs. Rios put a wallpaper border around the room shown below. She used 72 feet of wallpaper border. What is the unknown side length? Show your work.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-113.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 113\" width=\"226\" height=\"186\" \/><br \/>\na = ________ ft<\/p>\n<p>Answer:<br \/>\n16 feet<\/p>\n<p>Explanation:<br \/>\n20 + a + 6 + 8 + 14 + 8 = 72 feet.<br \/>\na + 56 = 72 feet.<br \/>\na = 72 &#8211; 56 feet.<br \/>\na = 16 feet.<\/p>\n<p>Question 12.<br \/>\nElizabeth has two gardens in her yard. The first garden is 8 feet long and 6 feet wide. The second garden is half the length of the first garden. The area of the second garden is twice the area of the first garden. For numbers 12a\u201312d, select True or False.<\/p>\n<p>First garden = 8 x 6 = 48 feet.<br \/>\nSecond garden length = Half the length of the first garden = 4 feet.<br \/>\nSecond Garden Area = Twice the area of the first garden = 2 x 48 = 96.<br \/>\nSecond Garden Area Width = 4 x s = 96.<br \/>\ns = 96\/4 = 24<\/p>\n<p>a. The area of the first garden is 48 square feet.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\ni. True<\/p>\n<p>Question 12.<br \/>\nb. The area of the second garden is 24 square feet.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\nii. False<\/p>\n<p>Question 12.<br \/>\nc. The width of the second garden is 12 feet.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\nii. False<\/p>\n<p>Explanation:<\/p>\n<p>Question 12.<br \/>\nd. The width of the second garden is 24 feet.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\ni. True<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._691\"><\/a>Review\/Test &#8211; Page No. 691<\/h3>\n<p>Question 13.<br \/>\nMarcus bought some postcards. Each postcard had a perimeter of 16 inches. Which could be one of the postcards Marcus bought? Mark all that apply.<br \/>\nOptions:<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-114.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 114\" width=\"176\" height=\"106\" \/><br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-115.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 115\" width=\"176\" height=\"114\" \/><br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-116.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 116\" width=\"222\" height=\"114\" \/><br \/>\nd. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-117.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 117\" width=\"139\" height=\"102\" \/><\/p>\n<p>Answer:<br \/>\na and d options are correct.<\/p>\n<p>Explanation:<br \/>\n3 + 5 + 3 + 5 = 16 inches<br \/>\n4 + 6 + 4 + 6 = 20 inches.<br \/>\n5 + 10 + 5 + 10 = 30 inches.<br \/>\n4 + 4 + 4 + 4 = 16 inches.<\/p>\n<p>Question 14.<br \/>\nAnthony wants to make two different rectangular flowerbeds, each with an area of 24 square feet. He will build a wooden frame around each flowerbed. The flowerbeds will have side lengths that are whole numbers.<br \/>\nPart A<br \/>\nEach unit square on the grid below is 1 square foot. Draw two possible flowerbeds. Label each with a letter.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-118.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 118\" width=\"524\" height=\"127\" \/><br \/>\nType below:<br \/>\n__________<\/p>\n<p>Answer:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-1922\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-8.-jpg-300x136.jpg\" alt=\"Chapter 11 - review &amp; test - image 8. jpg\" width=\"342\" height=\"155\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-8.-jpg-300x136.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-8.-jpg.jpg 618w\" sizes=\"(max-width: 342px) 100vw, 342px\" \/><\/p>\n<p>Question 14.<br \/>\nPart B<br \/>\nWhich of the flowerbeds will take more wood to the frame?<br \/>\nExplain how you know.<br \/>\nType below:<br \/>\n__________<\/p>\n<p>Answer:<br \/>\nA Perimeter is greater than B Perimeter.<\/p>\n<p>Explanation:<br \/>\nArea = 24.<br \/>\n3 x 8 = 24; 4 x 6 = 24.<br \/>\nA Perimeter = 8 + 3 + 8 + 3 = 22 feet.<br \/>\nB Perimeter = 4 + 6 + 4 + 6 = 20 feet.<br \/>\nA Perimeter is greater than B Perimeter.<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._692\"><\/a>Review\/Test &#8211; Page No. 692<\/h3>\n<p>Question 15.<br \/>\nKeisha draws a sketch of her living room on grid paper. Each unit square is 1 square meter. Write and solve a multiplication equation that can be used to find the area of the living room in square meters.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-119.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 119\" width=\"234\" height=\"96\" \/><br \/>\nType below:<br \/>\n__________<\/p>\n<p>Answer:<br \/>\n40 meter.<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-1920\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-6.-jpg-300x153.jpg\" alt=\"Chapter 11 - review &amp; test - image 6. jpg\" width=\"194\" height=\"99\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-6.-jpg-300x153.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-6.-jpg.jpg 399w\" sizes=\"(max-width: 194px) 100vw, 194px\" \/><br \/>\n4 x 10 = 40 m.<\/p>\n<p>Question 16.<br \/>\nMr. Wicks designs houses. He uses grid paper to plan a new house design. The kitchen will have an area between 70 square feet and 85 square feet. The pantry will have an area between 4 square feet and 15 square feet. Draw and label a diagram to show what Mr. Wicks could design. Explain how to find the total area.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-11-Perimeter-and-Area-img-120.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Review\/Test img 120\" width=\"522\" height=\"213\" \/><br \/>\nType below:<br \/>\n__________<\/p>\n<p>Answer:<br \/>\n78 square feet<\/p>\n<p>Explanation:<img loading=\"lazy\" class=\"alignnone wp-image-1921\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-7.-jpg-300x115.jpg\" alt=\"Chapter 11 - review &amp; test - image 7. jpg\" width=\"465\" height=\"178\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-7.-jpg-300x115.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-11-review-test-image-7.-jpg.jpg 635w\" sizes=\"(max-width: 465px) 100vw, 465px\" \/><br \/>\nAre of Kitchen = 8 x 9 = 72 square feet. (70 &lt; 72 &lt; 85)<br \/>\nArea of Pantry = 3 x 2 = 6 square feet. (4 &lt; 6 &lt; 15)<br \/>\nTotal area of kitchen and pantry = 72 + 6 = 78 square feet.<\/p>\n<h3>Conclusion<\/h3>\n<p>Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area has step-by-step solutions for all the problems making it easy for you to understand the concepts. Practice problems from the <a href=\"https:\/\/ccssmathanswers.com\/go-math-grade-3-answer-key-chapter-11-perimeter-and-area-extra-practice\/\">Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area Extra Practice<\/a> and test your preparation standards.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area helps you prepare for the exams. All the Concepts of Area and Perimeter are clearly explained in our Chapter 11 Perimeter and Area Go Math Grade 3 Answer Key. Go Math Grade 3 Perimeter and Area can be of great help during your preparation. &#8230; <a title=\"Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area\" class=\"read-more\" href=\"https:\/\/bigideasmathanswers.com\/go-math-grade-3-answer-key-chapter-11-perimeter-and-area\/\" aria-label=\"More on Go Math Grade 3 Answer Key Chapter 11 Perimeter and Area\">Read more<\/a><\/p>\n","protected":false},"author":5,"featured_media":8965,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[2],"tags":[],"jetpack_featured_media_url":"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/09\/go-math-grade-3-chapter-11-perimeter-and-area-answer-key.jpeg","_links":{"self":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/927"}],"collection":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/comments?post=927"}],"version-history":[{"count":1,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/927\/revisions"}],"predecessor-version":[{"id":92774,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/927\/revisions\/92774"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/media\/8965"}],"wp:attachment":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/media?parent=927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/categories?post=927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/tags?post=927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}