{"id":1086,"date":"2022-03-27T13:28:14","date_gmt":"2022-03-27T07:58:14","guid":{"rendered":"https:\/\/ccssmathanswers.com\/?p=1086"},"modified":"2022-04-07T12:30:06","modified_gmt":"2022-04-07T07:00:06","slug":"go-math-grade-3-answer-key-chapter-12-two-dimensional-shapes","status":"publish","type":"post","link":"https:\/\/bigideasmathanswers.com\/go-math-grade-3-answer-key-chapter-12-two-dimensional-shapes\/","title":{"rendered":"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes"},"content":{"rendered":"<p>Access the Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes with Solutions. Seek Homework Help needed as a part of your preparation and avail 3rd Grade Go Math Answer Key to clear your queries. Enhance your problem-solving skills with the help of <a href=\"https:\/\/ccssmathanswers.com\/go-math-grade-3-answer-key\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Math Grade 3 Answer Key<\/a> and understand the concepts better. Begin your preparation and make the most out of the Grade 3 Chapter 12 Two-Dimensional Shapes Answer Key to score better grades.<\/p>\n<h2>Go Math Grade 3 Chapter 12 Two-Dimensional Shapes Answer Key<\/h2>\n<p>Practice is the perfect key to success and we have provided simple tricks to solve the Problems in Chapter 12 Two Dimensional Shapes. Go Math Grade 3 Answer Key Chapter 12 acts as a one stop destination to enhance your conceptual knowledge. You will know how to solve different Problems in Chapter 12 using the simple approaches by accessing our Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes.<\/p>\n<h3>Lesson 1: Describe Plane Shapes<\/h3>\n<ul>\n<li><a href=\"#Describe_Plane_Shapes_Page_No_701\">Describe Plane Shapes &#8211; Page No. 701<\/a><\/li>\n<li><a href=\"#Describe_Plane_Shapes_Lesson_Check_-_Page_No._702\">Describe Plane Shapes Lesson Check &#8211; Page No. 702<\/a><\/li>\n<\/ul>\n<h3>Lesson 2: Describe Angles in Plane Shapes<\/h3>\n<ul>\n<li><a href=\"#Describe_Angles_in_Plane_Shapes_\u2013_Page_No._707\">Describe Angles in Plane Shapes \u2013 Page No. 707<\/a><\/li>\n<li><a href=\"#Describe_Angles_in_Plane_Shapes_Lesson_Check_\u2013_Page_No._708\">Describe Angles in Plane Shapes Lesson Check \u2013 Page No. 708<\/a><\/li>\n<\/ul>\n<h3>Lesson 3: Identify Polygons<\/h3>\n<ul>\n<li><a href=\"#Identify_Polygons_\u2013_Page_No._713\">Identify Polygons \u2013 Page No. 713<\/a><\/li>\n<li><a href=\"#Identify_Polygons_Lesson_Check_\u2013_Page_No._714\">Identify Polygons Lesson Check \u2013 Page No. 714<\/a><\/li>\n<\/ul>\n<h3>Chapter: Unlock the Problem \u2013 Page No. 715<\/h3>\n<ul>\n<li><a href=\"#Unlock_the_Problem_\u2013_Page_No._715\">Unlock the Problem \u2013 Page No. 715<\/a><\/li>\n<\/ul>\n<h3>Lesson 4: Describe Sides of Polygons<\/h3>\n<ul>\n<li><a href=\"#Describe_Sides_of_Polygons_\u2013_Page_No._719\">Describe Sides of Polygons \u2013 Page No. 719<\/a><\/li>\n<li><a href=\"#Describe_Sides_of_Polygons_Lesson_Check_\u2013_Page_No._720\">Describe Sides of Polygons Lesson Check \u2013 Page No. 720<\/a><\/li>\n<\/ul>\n<h3>Mid -Chapter Checkpoint<\/h3>\n<ul>\n<li><a href=\"#Mid_-Chapter_Checkpoint_\u2013_Page_No._721\">Mid -Chapter Checkpoint \u2013 Page No. 721<\/a><\/li>\n<li><a href=\"#Mid_-Chapter_Checkpoint_Lesson_Check_\u2013_Page_No._722\">Mid -Chapter Checkpoint Lesson Check \u2013 Page No. 722<\/a><\/li>\n<\/ul>\n<h3>Lesson 5: Classify Quadrilaterals<\/h3>\n<ul>\n<li><a href=\"#Classify_Quadrilaterals_\u2013_Page_No._727\">Classify Quadrilaterals \u2013 Page No. 727<\/a><\/li>\n<li><a href=\"#Classify_Quadrilaterals_Lesson_Check_\u2013_Page_No._728\">Classify Quadrilaterals Lesson Check \u2013 Page No. 728<\/a><\/li>\n<\/ul>\n<h3>Lesson 6: Draw Quadrilaterals<\/h3>\n<ul>\n<li><a href=\"#Draw_Quadrilaterals_\u2013_Page_No._733\">Draw Quadrilaterals \u2013 Page No. 733<\/a><\/li>\n<li><a href=\"#Draw_Quadrilaterals_Lesson_Check_\u2013_Page_No._734\">Draw Quadrilaterals Lesson Check \u2013 Page No. 734<\/a><\/li>\n<\/ul>\n<h3>Lesson 7: Describe Triangles<\/h3>\n<ul>\n<li><a href=\"#Describe_Triangles_\u2013_Page_No._739\">Describe Triangles \u2013 Page No. 739<\/a><\/li>\n<li><a href=\"#Describe_Triangles_Lesson_Check_\u2013_Page_No._740\">Describe Triangles Lesson Check \u2013 Page No. 740<\/a><\/li>\n<\/ul>\n<h3>Lesson 8: Problem Solving Classify Plane Shapes<\/h3>\n<ul>\n<li><a href=\"#Problem_Solving_Classify_Plane_Shapes_\u2013_Page_No._745\">Problem Solving Classify Plane Shapes \u2013 Page No. 745<\/a><\/li>\n<li><a href=\"#Problem_Solving_Classify_Plane_Shapes_Lesson_Check_\u2013_Page_No._746\">Problem Solving Classify Plane Shapes Lesson Check \u2013 Page No. 746<\/a><\/li>\n<\/ul>\n<h3>Lesson 9: Relate Shapes, Fractions, and Area<\/h3>\n<ul>\n<li><a href=\"#Relate_Shapes,_Fractions,_and_Area_\u2013_Page_No._751\">Relate Shapes, Fractions, and Area \u2013 Page No. 751<\/a><\/li>\n<li><a href=\"#Relate_Shapes,_Fractions,_and_Area__Lesson_Check_\u2013_Page_No._752\">Relate Shapes, Fractions, and Area\u00a0 Lesson Check \u2013 Page No. 752<\/a><\/li>\n<\/ul>\n<h3>Review\/Test<\/h3>\n<ul>\n<li><a href=\"#Review\/Test_\u2013_Page_No._753\">Review\/Test \u2013 Page No. 753<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._754\">Review\/Test \u2013 Page No. 754<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._755\">Review\/Test \u2013 Page No. 755<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._756\">Review\/Test \u2013 Page No. 756<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._757\">Review\/Test \u2013 Page No. 757<\/a><\/li>\n<li><a href=\"#Review\/Test_\u2013_Page_No._758\">Review\/Test \u2013 Page No. 758<\/a><\/li>\n<\/ul>\n<h3><a id=\"Describe_Plane_Shapes_Page_No_701\"><\/a>Describe Plane Shapes &#8211; Page No. 701<\/h3>\n<p><strong>Write how many line segments the shape has.<\/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-12-Two-Dimensional-Shapes-img-1.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 1\" width=\"117\" height=\"95\" \/><br \/>\n4 line segments<\/p>\n<p>Answer:<br \/>\n4 line segments<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2051\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-1-701.png\" alt=\"Chapter 12 Describe Plane Shapes image 1 701\" width=\"122\" height=\"107\" \/><\/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-12-Two-Dimensional-Shapes-img-2.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 2\" width=\"124\" height=\"65\" \/><br \/>\n________ line segments<\/p>\n<p>Answer:<br \/>\n6 line segments<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2053\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-2-701-300x175.png\" alt=\"Chapter 12 Describe Plane Shapes image 2 701\" width=\"141\" height=\"83\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-2-701-300x175.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-2-701.png 467w\" sizes=\"(max-width: 141px) 100vw, 141px\" \/><\/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-12-Two-Dimensional-Shapes-img-3.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 3\" width=\"78\" height=\"116\" \/><br \/>\n________ line segments<\/p>\n<p>Answer:<br \/>\n8 line segments<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2055\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-3-701-206x300.png\" alt=\"Chapter 12 Describe Plane Shapes image 3 701\" width=\"72\" height=\"105\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-3-701-206x300.png 206w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-3-701.png 287w\" sizes=\"(max-width: 72px) 100vw, 72px\" \/><\/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-12-Two-Dimensional-Shapes-img-4.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 4\" width=\"90\" height=\"78\" \/><br \/>\n________ line segments<\/p>\n<p>Answer:<br \/>\n5 line segments<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2057\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-4-701-296x300.png\" alt=\"Chapter 12 Describe Plane Shapes image 4 701\" width=\"81\" height=\"82\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-4-701-296x300.png 296w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-4-701-150x150.png 150w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-4-701.png 336w\" sizes=\"(max-width: 81px) 100vw, 81px\" \/><\/p>\n<p><strong>Write whether the shape is open or closed.<\/strong><\/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-12-Two-Dimensional-Shapes-img-5.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 5\" width=\"93\" height=\"85\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\nOpen<\/p>\n<p>Explanation:<br \/>\nThe given shape does not start and ends at the same point. So, the shape is open.<\/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-12-Two-Dimensional-Shapes-img-6.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 6\" width=\"119\" height=\"64\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\nClosed<\/p>\n<p>Explanation:<br \/>\nThe given shape started and ends at the same point. So, the shape is closed.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 7.<br \/>\nCarl wants to show a closed shape in his drawing. Show and explain how to make the drawing a closed shape.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-7.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 7\" width=\"110\" height=\"60\" \/><br \/>\nType below:<br \/>\n___________<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2062\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/chapter-12-image-1-702.png\" alt=\"chapter 12 image 1 702\" width=\"99\" height=\"61\" \/><br \/>\nAdd a fourth line segment, so the shape starts and ends at the same point.<\/p>\n<p>Explanation:<br \/>\nAdd a fourth line segment, so the shape starts and ends at the same point.<\/p>\n<p>Question 8.<br \/>\nThe shape of a fish pond at a park is shown below. Is the shape open or closed?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-8.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 8\" width=\"96\" height=\"83\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">Closed<\/span><\/p>\n<p>Explanation:<br \/>\nThe given shape started and ends at the same point. So, the shape is closed.<\/p>\n<h3><a id=\"Describe_Plane_Shapes_Lesson_Check_-_Page_No._702\"><\/a>Describe Plane Shapes &#8211; Page No. 702<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nHow many line segments does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-9.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 9\" width=\"117\" height=\"89\" \/><br \/>\nOptions:<br \/>\na. 2<br \/>\nb. 3<br \/>\nc. 4<br \/>\nd. 5<\/p>\n<p>Answer:<br \/>\nd. 5<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2065\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-5-701-300x234.png\" alt=\"Chapter 12 Describe Plane Shapes image 5 701\" width=\"122\" height=\"95\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-5-701-300x234.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-5-701.png 309w\" sizes=\"(max-width: 122px) 100vw, 122px\" \/><\/p>\n<p>Question 2.<br \/>\nWhich of these is part of a line, has one endpoint, and continues in one direction?<br \/>\nOptions:<br \/>\na. ray<br \/>\nb. line<br \/>\nc. line segment<br \/>\nd. point<\/p>\n<p>Answer:<br \/>\na. ray<\/p>\n<p>Explanation:<br \/>\nThe line has one endpoint and continues in one direction is called a ray.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nWhat multiplication sentence does the array show?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-10.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 10\" width=\"226\" height=\"118\" \/><br \/>\nOptions:<br \/>\na. 3 \u00d7 8 = 24<br \/>\nb. 4 \u00d7 8 = 32<br \/>\nc. 8 \u00d7 5 = 40<br \/>\nd. 4 \u00d7 9 = 36<\/p>\n<p>Answer:<br \/>\nb. 4 \u00d7 8 = 32<\/p>\n<p>Explanation:<br \/>\nThere are 4 rows and 8 columns available. 4 x 8 = 32 is the answer.<\/p>\n<p>Question 4.<br \/>\nWhat is the unknown factor and quotient?<br \/>\n9 \u00d7 \u25a0 = 27<br \/>\n27 \u00f7 9 = \u25a0<br \/>\nOptions:<br \/>\na. 3<br \/>\nb. 4<br \/>\nc. 5<br \/>\nd. 6<\/p>\n<p>Answer:<br \/>\na. 3<\/p>\n<p>Explanation:<br \/>\n9 x 3 = 27.<br \/>\n27 \u00f7 9 = 3.<br \/>\nThe answer is 3.<\/p>\n<p>Question 5.<br \/>\nWhich fraction is equivalent to \\(\\frac{4}{8}\\)?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-11.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Plane Shapes img 11\" width=\"124\" height=\"127\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{3}{4}\\)<br \/>\nb. \\(\\frac{1}{2}\\)<br \/>\nc. \\(\\frac{1}{4}\\)<br \/>\nd. \\(\\frac{1}{8}\\)<\/p>\n<p>Answer:<br \/>\nb. \\(\\frac{1}{2}\\)<\/p>\n<p>Explanation:<br \/>\n\\(\\frac{4}{8}\\) = b. \\(\\frac{1}{2}\\).<\/p>\n<p>Question 6.<br \/>\nMr. MacTavish has 30 students from his class going on a field trip to the zoo. He is placing 6 students in each group. How many groups of students from Mr. MacTavish\u2019s class will be going to the zoo?<br \/>\nOptions:<br \/>\na. 5<br \/>\nb. 6<br \/>\nc. 7<br \/>\nd. 36<\/p>\n<p>Answer:<br \/>\na. 5<\/p>\n<p>Explanation:<br \/>\n1 group = 6 students.<br \/>\n6 x number of groups = 30 students.<br \/>\n6 x s = 30.<br \/>\ns = 30 \u00f7 6<br \/>\ns = 5.<br \/>\n5 groups of students from Mr. MacTavish\u2019s class will be going to the zoo.<\/p>\n<h3><a id=\"Describe_Angles_in_Plane_Shapes_\u2013_Page_No._707\"><\/a>Describe Angles in Plane Shapes &#8211; Page No. 707<\/h3>\n<p><strong>Use the corner of a sheet of paper to tell whether the angle is a right angle, less than a right angle, or greater than a right angle.<\/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-12-Two-Dimensional-Shapes-img-12.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 12\" width=\"146\" height=\"61\" \/><br \/>\n<span style=\"text-decoration: underline;\">less than a right angle<\/span><\/p>\n<p>Answer:<br \/>\nless than a right angle<\/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-12-Two-Dimensional-Shapes-img-13.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 13\" width=\"146\" height=\"65\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\nRight Angle:<\/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-12-Two-Dimensional-Shapes-img-14.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 14\" width=\"144\" height=\"62\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\nGreater than a right angle<\/p>\n<p><strong>Write how many of each type of angle the shape has.<\/strong><\/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-12-Two-Dimensional-Shapes-img-15.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 15\" width=\"143\" height=\"80\" \/><br \/>\n________ right<br \/>\n________ less than a right<br \/>\n________ greater than a right<\/p>\n<p>Answer:<br \/>\n4 right<br \/>\n0 less than a right<br \/>\n0 greater than a right<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2176\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-1-707-300x168.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 1 707\" width=\"156\" height=\"87\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-1-707-300x168.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-1-707.png 317w\" sizes=\"(max-width: 156px) 100vw, 156px\" \/><br \/>\n4 right Angles.<br \/>\n0 less than right angles.<br \/>\n0 greater than right angles.<\/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-12-Two-Dimensional-Shapes-img-16.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 16\" width=\"124\" height=\"112\" \/><br \/>\n________ right<br \/>\n________ less than a right<br \/>\n________ greater than a right<\/p>\n<p>Answer:<br \/>\n0 right<br \/>\n0 less than a right<br \/>\n5 greater than a right<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2175\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707-300x300.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 2 707\" width=\"141\" height=\"141\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707-300x300.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707-150x150.png 150w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707.png 303w\" sizes=\"(max-width: 141px) 100vw, 141px\" \/><br \/>\n0 right Angles<br \/>\n0 less than right angles<br \/>\n5 greater than right angles<\/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-12-Two-Dimensional-Shapes-img-17.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 17\" width=\"131\" height=\"121\" \/><br \/>\n________ right<br \/>\n________ less than a right<br \/>\n________ greater than a right<\/p>\n<p>Answer:<br \/>\n2 right<br \/>\n0 less than a right<br \/>\n4 greater than a right<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2177\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-4-707-300x291.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 4 707\" width=\"139\" height=\"135\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-4-707-300x291.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-4-707.png 377w\" sizes=\"(max-width: 139px) 100vw, 139px\" \/><br \/>\n2 right angles.<br \/>\n0 less than right angles<br \/>\n4 greater than right angles.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 7.<br \/>\nJeff has a square piece of art paper. He cuts across it from one corner to the opposite corner to make two pieces. What is the total number of sides and angles in both of the new shapes?<br \/>\n________ sides<br \/>\n________ angle<\/p>\n<p>Answer:<br \/>\nThe new shape has 6 sides and 6 angles<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2199\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-8-707-300x269.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 8 707\" width=\"166\" height=\"149\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-8-707-300x269.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-8-707.png 365w\" sizes=\"(max-width: 166px) 100vw, 166px\" \/><br \/>\nThe new shape has 6 sides and 6 angles<\/p>\n<p>Question 8.<br \/>\nKaylee tells Aimee that the shape of a stop sign has at least one right angle. Aimee says that there are no right angles. Who is correct? Explain.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-18.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 18\" width=\"158\" height=\"146\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\nAimee&#8217;s answer is correct<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2079\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-5-707-300x267.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 5 707\" width=\"169\" height=\"150\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-5-707-300x267.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-5-707.png 501w\" sizes=\"(max-width: 169px) 100vw, 169px\" \/><br \/>\nAll the angles are greater than a right angle. Aimee&#8217;s answer is correct.<\/p>\n<h3><a id=\"Describe_Angles_in_Plane_Shapes_Lesson_Check_\u2013_Page_No._708\"><\/a>Describe Angles in Plane Shapes &#8211; Page No. 708<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nWhat describes this angle?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-19.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 19\" width=\"134\" height=\"86\" \/><br \/>\nOptions:<br \/>\na. right angle<br \/>\nb. less than a right angle<br \/>\nc. greater than a right angle<br \/>\nd. small angle<\/p>\n<p>Answer:<br \/>\nc. greater than a right angle<\/p>\n<p>Explanation:<br \/>\nThe given shape has the greater angle than the right angle. So, the answer is greater than a right angle.<\/p>\n<p>Question 2.<br \/>\nHow many right angles does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-20.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 20\" width=\"123\" height=\"95\" \/><br \/>\nOptions:<br \/>\na. 1<br \/>\nb. 2<br \/>\nc. 3<br \/>\nd. 4<\/p>\n<p>Answer:<br \/>\nc. 3<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2083\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-5-708-300x218.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 5 708\" width=\"140\" height=\"102\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-5-708-300x218.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-5-708.png 320w\" sizes=\"(max-width: 140px) 100vw, 140px\" \/><\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nWhat fraction of the group is shaded?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-21.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 21\" width=\"87\" height=\"67\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{5}{6}\\)<br \/>\nb. \\(\\frac{1}{3}\\)<br \/>\nc. \\(\\frac{1}{6}\\)<br \/>\nd. \\(\\frac{1}{8}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{1}{6}\\)<\/p>\n<p>Explanation:<br \/>\nThere are 6 circles. And one circle is shaded out of 6 circles. So, answer is\u00a0\\(\\frac{1}{6}\\).<\/p>\n<p>Question 4.<br \/>\nCompare.<br \/>\n\\(\\frac{4}{8}\\) _____ \\(\\frac{3}{8}\\)<br \/>\nOptions:<br \/>\na. &gt;<br \/>\nb. &lt;<br \/>\nc. =<br \/>\nd. \u00f7<\/p>\n<p>Answer:<br \/>\na. &gt;<\/p>\n<p>Explanation:<br \/>\nGiven fractions have the same denominators. So, compare numerators to get the answer.<br \/>\n4 &gt; 3. The answer is \\(\\frac{4}{8}\\) &gt; \\(\\frac{3}{8}\\).<\/p>\n<p>Question 5.<br \/>\nWhich of the following does NOT describe a line segment?<br \/>\nOptions:<br \/>\na. does not end<br \/>\nb. is straight<br \/>\nc. is part of a line<br \/>\nd. has 2 endpoints<\/p>\n<p>Answer:<br \/>\na. does not end<\/p>\n<p>Explanation:<br \/>\nThe line segment is a straight line that has two end points. a. does not end not describes a line segment.<\/p>\n<p>Question 6.<br \/>\nHow many line segments does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-22.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Angles in Plane Shapes img 22\" width=\"105\" height=\"78\" \/><br \/>\nOptions:<br \/>\na. 5<br \/>\nb. 6<br \/>\nc. 7<br \/>\nd. 8<\/p>\n<p>Answer:<br \/>\nc. 7<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2087\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-6-708-300x219.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 6 708\" width=\"132\" height=\"96\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-6-708-300x219.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-6-708.png 425w\" sizes=\"(max-width: 132px) 100vw, 132px\" \/><\/p>\n<h3><a id=\"Identify_Polygons_\u2013_Page_No._713\"><\/a>Identify Polygons &#8211; Page No. 713<\/h3>\n<p><strong>Is the shape a polygon? Write yes or no.<\/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-12-Two-Dimensional-Shapes-img-23.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 23\" width=\"222\" height=\"97\" \/><br \/>\n<span style=\"text-decoration: underline;\">no<\/span><\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">No<\/span><\/p>\n<p>Explanation:<br \/>\nNo, The given image doesn&#8217;t have line segments.<\/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-12-Two-Dimensional-Shapes-img-24.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 24\" width=\"191\" height=\"111\" \/><br \/>\n_____<\/p>\n<p>Answer:<br \/>\nYes<\/p>\n<p>Explanation:<br \/>\nYes, A polygon is a closed plane shape that is made up of line segments that meet only at their endpoints. Each line segment in a polygon is a side.<\/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-12-Two-Dimensional-Shapes-img-25.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 25\" width=\"126\" height=\"112\" \/><br \/>\n_____<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">No<\/span><\/p>\n<p>Explanation:<br \/>\nNo, the given shape is an open shape. It is not a polygon.<\/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-12-Two-Dimensional-Shapes-img-26.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 26\" width=\"181\" height=\"92\" \/><br \/>\n_____<\/p>\n<p>Answer:<br \/>\nNo<\/p>\n<p>Explanation:<br \/>\nNo, it has a curved path. So, the given shape is not a polygon.<\/p>\n<p><strong>Write the number of sides and the number of angles. Then name the polygon.<\/strong><\/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-12-Two-Dimensional-Shapes-img-27.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 27\" width=\"177\" height=\"89\" \/><br \/>\n_______ sides<br \/>\n_______ angles<br \/>\n_______<\/p>\n<p>Answer:<br \/>\n6 sides; 6 angles; hexagon<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2091\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-713-300x191.png\" alt=\"Chapter 12 Identify Polygons image 1 713\" width=\"134\" height=\"85\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-713-300x191.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-713.png 502w\" sizes=\"(max-width: 134px) 100vw, 134px\" \/><\/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-12-Two-Dimensional-Shapes-img-28.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 28\" width=\"198\" height=\"78\" \/><br \/>\n_______ sides<br \/>\n_______ angles<br \/>\n_______<\/p>\n<p>Answer:<br \/>\n4 sides; 4 angles; quadrilateral<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2094\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-2-713-300x138.png\" alt=\"Chapter 12 Identify Polygons image 2 713\" width=\"176\" height=\"81\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-2-713-300x138.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-2-713.png 599w\" sizes=\"(max-width: 176px) 100vw, 176px\" \/><\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 7.<br \/>\nMr. Murphy has an old coin that has ten sides. If its shape is a polygon, how many angles does the old coin have?<br \/>\n_______ angles<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">10 angles<\/span><\/p>\n<p>Explanation:<br \/>\nGiven that the shape has ten sides. So, the old coin will have 10 angles.<\/p>\n<p>Question 8.<br \/>\nLin says that an octagon has six sides. Chris says that it has eight sides. Whose statement is correct?<br \/>\n_______ statement<\/p>\n<p>Answer:<br \/>\nChris&#8217;s statement is correct.<\/p>\n<p>Explanation:<br \/>\nChris&#8217;s statement is correct. An octagon has eight sides.<\/p>\n<h3><a id=\"Identify_Polygons_Lesson_Check_\u2013_Page_No._714\"><\/a>Identify Polygons &#8211; Page No. 714<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nWhich is a name for this polygon?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-29.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 29\" width=\"177\" height=\"73\" \/><br \/>\nOptions:<br \/>\na. hexagon<br \/>\nb. octagon<br \/>\nc. quadrilateral<br \/>\nd. pentagon<\/p>\n<p>Answer:<br \/>\nc. quadrilateral<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2099\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-714-300x170.png\" alt=\"Chapter 12 Identify Polygons image 1 714\" width=\"168\" height=\"95\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-714-300x170.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-714.png 464w\" sizes=\"(max-width: 168px) 100vw, 168px\" \/><br \/>\nIt has 4 sides and 4 angles. The name of the polygon is quadrilateral.<\/p>\n<p>Question 2.<br \/>\nHow many sides does this polygon have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-30.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 30\" width=\"194\" height=\"98\" \/><br \/>\nOptions:<br \/>\na. 4<br \/>\nb. 5<br \/>\nc. 6<br \/>\nd. 7<\/p>\n<p>Answer:<br \/>\nc. 6<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2107\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-2-714-300x171.png\" alt=\"Chapter 12 Identify Polygons image 2 714\" width=\"230\" height=\"131\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-2-714-300x171.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-2-714.png 547w\" sizes=\"(max-width: 230px) 100vw, 230px\" \/><\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nHow many right angles does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-31.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 31\" width=\"98\" height=\"89\" \/><br \/>\nOptions:<br \/>\na. 4<br \/>\nb. 3<br \/>\nc. 2<br \/>\nd. 0<\/p>\n<p>Answer:<br \/>\na. 4<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2109\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-3-714-300x266.png\" alt=\"Chapter 12 Identify Polygons image 3 714\" width=\"140\" height=\"124\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-3-714-300x266.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-3-714.png 380w\" sizes=\"(max-width: 140px) 100vw, 140px\" \/><\/p>\n<p>Question 4.<br \/>\nErica has 8 necklaces. One fourth of the necklaces are blue. How many necklaces are blue?<br \/>\nOptions:<br \/>\na. 2<br \/>\nb. 3<br \/>\nc. 4<br \/>\nd. 8<\/p>\n<p>Answer:<br \/>\na. 2<\/p>\n<p>Explanation:<br \/>\nErica has 8 necklaces. One-fourth of the necklaces are blue. So, 2 necklaces are blue.<\/p>\n<p>Question 5.<br \/>\nWhich of these is straight, is part of a line, and has 2 endpoints?<br \/>\nOptions:<br \/>\na. line<br \/>\nb. line segment<br \/>\nc. point<br \/>\nd. ray<\/p>\n<p>Answer:<br \/>\nb. line segment<\/p>\n<p>Question 6.<br \/>\nWhat describes this angle?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-32.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Identify Polygons img 32\" width=\"142\" height=\"70\" \/><br \/>\nOptions:<br \/>\na. greater than a right angle<br \/>\nb. large angle<br \/>\nc. less than a right angle<br \/>\nd. right angle<\/p>\n<p>Answer:<br \/>\nc. less than a right angle<\/p>\n<h3><a id=\"Unlock_the_Problem_\u2013_Page_No._715\"><\/a>Unlock the Problem &#8211; Page No. 715<\/h3>\n<p>Question 1.<br \/>\nLook at the polygon. How many pairs of sides are parallel?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-33.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Unlock the Problem img 33\" width=\"97\" height=\"71\" \/><br \/>\n________ pair(s)<\/p>\n<p>Answer:<br \/>\n1 pair of sides are parallel<\/p>\n<p>Question 2.<br \/>\nHow do you know the shape is a polygon?<br \/>\nType below:<br \/>\n___________<\/p>\n<p>Answer:<br \/>\nA polygon is a closed plane shape that is made up of line segments that meet only at their endpoints. Each line segment in a polygon is a side.<\/p>\n<p>Question 3.<br \/>\nLines that cross or meet are intersecting lines. Intersecting lines form angles.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-34.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Unlock the Problem img 34\" width=\"166\" height=\"79\" \/><\/p>\n<p>Answer:<br \/>\nEither less than the right angle or more than the right angle.<\/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-12-Two-Dimensional-Shapes-img-35.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Unlock the Problem img 35\" width=\"107\" height=\"71\" \/><br \/>\nThe orange and blue line segments meet and form an angle. So, they are __________________<br \/>\n___________<\/p>\n<p>Answer:<br \/>\nIntersecting lines<\/p>\n<p>Question 5.<br \/>\nIntersecting lines that cross or meet to form right angles are perpendicular lines.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-36.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Unlock the Problem img 36\" width=\"102\" height=\"80\" \/><\/p>\n<p>Answer:<br \/>\n90 degrees<\/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-12-Two-Dimensional-Shapes-img-37.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Unlock the Problem img 37\" width=\"102\" height=\"70\" \/><br \/>\nThe red and blue line segments meet to form a right angle. So, they are ________________<br \/>\n___________<\/p>\n<p>Answer:<br \/>\nPerpendicular lines<\/p>\n<p>Question 7.<br \/>\nLines that never cross or meet and are always the same distance apart are parallel lines. They do not form any angles.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-38.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Unlock the Problem img 38\" width=\"174\" height=\"52\" \/><br \/>\nSo, the polygon above has _ pair of parallel sides<br \/>\n_________ pair(s)<\/p>\n<p>Answer:<br \/>\nThe polygon has 1 pair of parallel sides<\/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-12-Two-Dimensional-Shapes-img-39.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Unlock the Problem img 39\" width=\"114\" height=\"73\" \/><br \/>\nThe green and blue line segments would never cross or meet. They are always the same distance apart. So, they appear to be _________________<br \/>\n_________<\/p>\n<p>Answer:<br \/>\nParallel lines<\/p>\n<h3><a id=\"Describe_Sides_of_Polygons_\u2013_Page_No._719\"><\/a>Describe Sides of Polygons &#8211; Page No. 719<\/h3>\n<p><strong>Look at the dashed sides of the polygon. Tell if they appear to be intersecting, perpendicular, or parallel. Write all the words that describe the sides.<\/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-12-Two-Dimensional-Shapes-img-40.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 40\" width=\"104\" height=\"107\" \/><br \/>\n<span style=\"text-decoration: underline;\">parallel<\/span><\/p>\n<p>Answer:<br \/>\nparallel lines<\/p>\n<p>Explanation:<br \/>\nThe dashed sides are not intersecting with each other. So, the given lines are parallel lines.<\/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-12-Two-Dimensional-Shapes-img-41.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 41\" width=\"121\" height=\"79\" \/><br \/>\n_______<br \/>\n_______<\/p>\n<p>Answer:<br \/>\nperpendicular lines<\/p>\n<p>Explanation:<br \/>\nThe dashed sides are meeting to form a right angle. So, they are perpendicular lines.<\/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-12-Two-Dimensional-Shapes-img-42.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 42\" width=\"118\" height=\"60\" \/><br \/>\n_______<\/p>\n<p>Answer:<br \/>\nintersecting lines<\/p>\n<p>Explanation:<br \/>\nThe dashed line segments meet and form an angle. So, they are intersecting lines.<\/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-12-Two-Dimensional-Shapes-img-43.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 43\" width=\"107\" height=\"90\" \/><br \/>\n_______<\/p>\n<p>Answer:<br \/>\nintersecting lines<\/p>\n<p>Explanation:<br \/>\nThe dashed line segments meet and form an angle. So, they are intersecting lines.<\/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-12-Two-Dimensional-Shapes-img-44.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 44\" width=\"121\" height=\"61\" \/><br \/>\n_______<br \/>\n_______<\/p>\n<p>Answer:<br \/>\nperpendicular lines<\/p>\n<p>Explanation:<br \/>\nThe dashed line segments meet to form a right angle. So, they are perpendicular lines.<\/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-12-Two-Dimensional-Shapes-img-45.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 45\" width=\"123\" height=\"100\" \/><br \/>\n_______<\/p>\n<p>Answer:<br \/>\nparallel lines<\/p>\n<p>Explanation:<br \/>\nThe dashed line segments would never cross or meet. They are always the same distance apart. So, they are parallel lines.<\/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-12-Two-Dimensional-Shapes-img-46.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 46\" width=\"123\" height=\"82\" \/><br \/>\n_______<\/p>\n<p>Answer:<br \/>\nparallel lines<\/p>\n<p>Explanation:<br \/>\nThe dashed line segments would never cross or meet. They are always the same distance apart. So, they are parallel lines.<\/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-12-Two-Dimensional-Shapes-img-47.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 47\" width=\"85\" height=\"130\" \/><br \/>\n_______<\/p>\n<p>Answer:<br \/>\nintersecting lines<\/p>\n<p>Explanation:<br \/>\nThe dashed line segments meet and form an angle. So, they are intersecting lines.<\/p>\n<p>Question 9.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-48.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 48\" width=\"91\" height=\"124\" \/><br \/>\n_______<br \/>\n_______<\/p>\n<p>Answer:<br \/>\nperpendicular lines<\/p>\n<p>Explanation:<br \/>\nThe dashed line segments meet to form a right angle. So, they are perpendicular lines.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p><strong>Use shapes A\u2013D for 10\u201311.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-49.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 49\" width=\"273\" height=\"198\" \/><\/p>\n<p>Question 10.<br \/>\nWhich shapes appear to have parallel sides?<br \/>\n_______ ; _______ ; _______<\/p>\n<p>Answer:<br \/>\nA, C, D<\/p>\n<p>Explanation:<br \/>\nA, C, D have lines that appear to never meet and are always the same distance apart. So, they have parallel lines.<\/p>\n<p>Question 11.<br \/>\nWhich shapes appear to have perpendicular sides?<br \/>\n_______ ; _______<\/p>\n<p>Answer:<br \/>\nB, C<\/p>\n<p>Explanation:<br \/>\nB, C have lines that meet to form right angles. So, they have perpendicular sides.<\/p>\n<h3><a id=\"Describe_Sides_of_Polygons_Lesson_Check_\u2013_Page_No._720\"><\/a>Describe Sides of Polygons &#8211; Page No. 720<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nHow many pairs of parallel sides does the quadrilateral appear to have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-50.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 50\" width=\"139\" height=\"70\" \/><br \/>\nOptions:<br \/>\na. 1<br \/>\nb. 2<br \/>\nc. 3<br \/>\nd. 4<\/p>\n<p>Answer:<br \/>\nb. 2<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2132\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-5-714-300x183.png\" alt=\"Chapter 12 Identify Polygons image 5 714\" width=\"130\" height=\"79\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-5-714-300x183.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-5-714.png 383w\" sizes=\"(max-width: 130px) 100vw, 130px\" \/><br \/>\nSide a and a are one pair of parallel lines.<br \/>\nSide b and b are one pair of parallel lines.<br \/>\nThe quadrilateral has 2 pairs of parallel sides.<\/p>\n<p>Question 2.<br \/>\nWhich sides appear to be parallel?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-51.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 51\" width=\"189\" height=\"101\" \/><br \/>\nOptions:<br \/>\na. a and c only<br \/>\nb. b and d only<br \/>\nc. a and b, c and d<br \/>\nd. a and c, b and d<\/p>\n<p>Answer:<br \/>\nd. a and c, b and d<\/p>\n<p>Explanation:<br \/>\na and c are parallel lines. They appear to never meet and are always the same distance apart. They do not form any angles.<br \/>\nSimilarly, b and d are parallel lines.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nMr. Lance designed a class banner shaped like the polygon shown. What is the name of the polygon?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-52.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 52\" width=\"140\" height=\"45\" \/><br \/>\nOptions:<br \/>\na. pentagon<br \/>\nb. octagon<br \/>\nc. hexagon<br \/>\nd. decagon<\/p>\n<p>Answer:<br \/>\na. pentagon<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2142\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-1-720-300x216.png\" alt=\"Chapter 12 Describe Sides of Polygons image 1 720\" width=\"125\" height=\"90\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-1-720-300x216.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-1-720.png 593w\" sizes=\"(max-width: 125px) 100vw, 125px\" \/><br \/>\nThe polygon has 5 sides and 5 angles. So, the given polygon is a pentagon.<\/p>\n<p>Question 4.<br \/>\nHow many angles greater than a right angle does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-53.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 53\" width=\"82\" height=\"95\" \/><br \/>\nOptions:<br \/>\na. 0<br \/>\nb. 1<br \/>\nc. 2<br \/>\nd. 3<\/p>\n<p>Answer:<br \/>\nb. 1<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2143\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-2-720-300x298.png\" alt=\"Chapter 12 Describe Sides of Polygons image 2 720\" width=\"136\" height=\"135\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-2-720-300x298.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-2-720-150x150.png 150w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-2-720.png 313w\" sizes=\"(max-width: 136px) 100vw, 136px\" \/><br \/>\nOne angle is greater than the right angles.<\/p>\n<p>Question 5.<br \/>\nHow many line segments does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-54.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 54\" width=\"86\" height=\"86\" \/><br \/>\nOptions:<br \/>\na. 6<br \/>\nb. 7<br \/>\nc. 8<br \/>\nd. 9<\/p>\n<p>Answer:<br \/>\nc. 8<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2144\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-3-720-294x300.png\" alt=\"Chapter 12 Describe Sides of Polygons image 3 720\" width=\"95\" height=\"97\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-3-720-294x300.png 294w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Sides-of-Polygons-image-3-720.png 298w\" sizes=\"(max-width: 95px) 100vw, 95px\" \/><br \/>\nThe given shape has 8 line segments.<\/p>\n<p>Question 6.<br \/>\nWhich fraction names the shaded part?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-55.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Sides of Polygons img 55\" width=\"161\" height=\"75\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{1}{3}\\)<br \/>\nb. \\(\\frac{1}{4}\\)<br \/>\nc. \\(\\frac{1}{6}\\)<br \/>\nd. \\(\\frac{5}{6}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{1}{6}\\)<\/p>\n<p>Explanation:<br \/>\nThe given image has 6 parts. 1 part is shaded out of 1 part. The answer is \\(\\frac{1}{6}\\)<\/p>\n<h3><a id=\"Mid_-Chapter_Checkpoint_\u2013_Page_No._721\"><\/a>Mid -Chapter Checkpoint &#8211; Page No. 721<\/h3>\n<p><strong>Vocabulary<\/strong><\/p>\n<p><strong>Choose the best term from the box to complete the sentence.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-56.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 56\" width=\"178\" height=\"148\" \/><\/p>\n<p>Question 1.<br \/>\nAn __________ is formed by two rays that share an endpoint.<br \/>\n__________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">Angle<\/span><\/p>\n<p>Explanation:<\/p>\n<p>Question 2.<br \/>\nA _____________ is a closed plane shape made up of line segments.<br \/>\n________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">Polygon<\/span><\/p>\n<p>Question 3.<br \/>\nA ____________ forms a square corner.<br \/>\n________<\/p>\n<p>Answer:<br \/>\n<u>Right Angle<\/u><\/p>\n<p><strong>Concepts and Skills<\/strong><\/p>\n<p><strong>Use the corner of a sheet of paper to tell whether the angle is a<\/strong><br \/>\n<strong>right angle, less than a right angle, or greater than a right angle.<\/strong><\/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-12-Two-Dimensional-Shapes-img-57.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 57\" width=\"87\" height=\"73\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\nless than a right angle<\/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-12-Two-Dimensional-Shapes-img-58.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 58\" width=\"87\" height=\"76\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\nright angle<\/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-12-Two-Dimensional-Shapes-img-59.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 59\" width=\"107\" height=\"104\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\ngreater than a right angle<\/p>\n<p><strong>Write the number of sides and the number of angles.<\/strong><br \/>\n<strong>Then name the polygon.<\/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-12-Two-Dimensional-Shapes-img-60.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 60\" width=\"108\" height=\"78\" \/><br \/>\n________ sides<br \/>\n________ angles<br \/>\n________<\/p>\n<p>Answer:<br \/>\n6 sides; 6 angles<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2091\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-713-300x191.png\" alt=\"Chapter 12 Identify Polygons image 1 713\" width=\"134\" height=\"85\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-713-300x191.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-1-713.png 502w\" sizes=\"(max-width: 134px) 100vw, 134px\" \/><br \/>\n6 sides; 6 angles<\/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-12-Two-Dimensional-Shapes-img-61.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 61\" width=\"59\" height=\"121\" \/><br \/>\n________ sides<br \/>\n________ angles<br \/>\n________<\/p>\n<p>Answer:<br \/>\n4 sides; 4 angles<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2146\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-2-721-285x300.png\" alt=\"Chapter 12 Concepts and Skills image 2 721\" width=\"68\" height=\"72\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-2-721-285x300.png 285w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-2-721.png 373w\" sizes=\"(max-width: 68px) 100vw, 68px\" \/><br \/>\n4 sides; 4 angles<\/p>\n<p>Question 9.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-62.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 62\" width=\"70\" height=\"79\" \/><br \/>\n________ sides<br \/>\n________ angles<br \/>\n________<\/p>\n<p>Answer:<br \/>\n5 sides; 5 angles<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2147\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721-295x300.png\" alt=\"Chapter 12 Concepts and Skills image 3 721\" width=\"89\" height=\"90\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721-295x300.png 295w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721-150x150.png 150w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721.png 392w\" sizes=\"(max-width: 89px) 100vw, 89px\" \/><br \/>\n5 sides; 5 angles<\/p>\n<h3><a id=\"Mid_-Chapter_Checkpoint_Lesson_Check_\u2013_Page_No._722\"><\/a>Mid -Chapter Checkpoint &#8211; Page No. 722<\/h3>\n<p>Question 10.<br \/>\nAnne drew the shape at the right. Is her shape an open shape or a closed shape?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-63.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 63\" width=\"162\" height=\"106\" \/><br \/>\n________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">Closed Shape<\/span><\/p>\n<p>Explanation:<br \/>\nThe given shape started and ends at the same point. So, the shape is closed.<\/p>\n<p>Question 11.<br \/>\nThis sign tells drivers there is a steep hill ahead. Write the number of sides and the number of angles in the shape of the sign. Then name the shape.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-64.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 64\" width=\"117\" height=\"116\" \/><br \/>\n________ sides<br \/>\n________ angles<br \/>\n________<\/p>\n<p>Answer:<br \/>\n4 sides; 4 angles<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2148\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-4-721-300x296.png\" alt=\"Chapter 12 Concepts and Skills image 4 721\" width=\"153\" height=\"151\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-4-721-300x296.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-4-721.png 336w\" sizes=\"(max-width: 153px) 100vw, 153px\" \/><br \/>\n4 sides; 4 angles<\/p>\n<p>Question 12.<br \/>\nWhy is this closed plane shape NOT a polygon?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-65.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 65\" width=\"113\" height=\"70\" \/><br \/>\nType below:<br \/>\n________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">2 \u00d7 5 = 10<\/span><\/p>\n<p>Explanation:<br \/>\nThe given shape started and ends at the same point. So, the shape is closed. A polygon is made up of line segments that meet only at their endpoints. So, the given shape is not a polygon.<\/p>\n<p>Question 13.<br \/>\nSean drew a shape with 2 fewer sides than an octagon. Which shape did he draw?<br \/>\n________<\/p>\n<p>Answer:<br \/>\npentagon<\/p>\n<p>Explanation:<br \/>\noctagon has 8 sides.<br \/>\n2 + 8 = 10 sides<\/p>\n<p>Question 14.<br \/>\nJohn drew a polygon with two line segments that meet to form a right angle. Circle the words that describe the line segments.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-66.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Mid -Chapter Checkpoint img 66\" width=\"127\" height=\"145\" \/><br \/>\nType below:<br \/>\n________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">perpendicular<\/span><\/p>\n<h3><a id=\"Classify_Quadrilaterals_\u2013_Page_No._727\"><\/a>Classify Quadrilaterals &#8211; Page No. 727<\/h3>\n<p><strong>Click all the words that describe the quadrilateral.<\/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-12-Two-Dimensional-Shapes-img-67.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 67\" width=\"153\" height=\"240\" \/><\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">Square; Rectangle; Rhombus<\/span><\/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-12-Two-Dimensional-Shapes-img-68.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 68\" width=\"143\" height=\"67\" \/><br \/>\nOptions:<br \/>\na. square<br \/>\nb. rectangle<br \/>\nc. rhombus<br \/>\nd. trapezoid<\/p>\n<p>Answer:<br \/>\nb. rectangle<\/p>\n<p>Explanation:<br \/>\nThe given shape has two pairs opposite with the same length. Also, all the angles are right angles. The given shape is a rectangle.<\/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-12-Two-Dimensional-Shapes-img-69.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 69\" width=\"141\" height=\"72\" \/><br \/>\nOptions:<br \/>\na. square<br \/>\nb. rectangle<br \/>\nc. rhombus<br \/>\nd. trapezoid<\/p>\n<p>Answer:<br \/>\nd. trapezoid<\/p>\n<p>Explanation:<br \/>\nEven though the given shape has four sides, they are not equal. Also, it has only two right angles. The given shape is a trapezoid.<\/p>\n<p><strong>Use the quadrilaterals below for 4\u20136.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-70.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 70\" width=\"623\" height=\"120\" \/><\/p>\n<p>Question 4.<br \/>\nWhich quadrilaterals appear to have no right angles?<br \/>\n______ ; ______ ; ______<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">B, D, and E<\/span><\/p>\n<p>Explanation:<br \/>\nB, D, E don&#8217;t have right angles.<\/p>\n<p>Question 5.<br \/>\nWhich quadrilaterals appear to have 4 right angles?<br \/>\n______ ; ______<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">A and C<\/span><\/p>\n<p>Explanation:<br \/>\nA and C both shapes have right angles.<\/p>\n<p>Question 6.<br \/>\nWhich quadrilaterals appear to have 4 sides of equal length?<br \/>\n______ ; ______ ; ______<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">B, C, and D<\/span><\/p>\n<p>Explanation:<br \/>\nThe B, C, and D have all the equal lengths.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 7.<br \/>\nA picture on the wall in Jeremy\u2019s classroom has 4 right angles, 4 sides of equal length, and 2 pairs of opposite sides that are parallel. What quadrilateral best describes the picture?<br \/>\n_______<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">Square<\/span><\/p>\n<p>Explanation:<br \/>\nA square has 4 right angles, 4 sides of equal length, and 2 pairs of opposite sides that are parallel.<\/p>\n<p>Question 8.<br \/>\nSofia has a plate that has 4 sides of equal length, 2 pairs of opposite sides that are parallel, and no right angles. What quadrilateral best describes the plate?<br \/>\n_________<\/p>\n<p>Answer:<br \/>\nrhombus<\/p>\n<p>Explanation:<br \/>\nA rhombus has 4 sides of equal length, 2 pairs of opposite sides that are parallel, and no right angles.<\/p>\n<h3><a id=\"Classify_Quadrilaterals_Lesson_Check_\u2013_Page_No._728\"><\/a>Classify Quadrilaterals &#8211; Page No. 728<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nWhich word describes the quadrilateral?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-71.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 71\" width=\"124\" height=\"87\" \/><br \/>\nOptions:<br \/>\na. square<br \/>\nb. trapezoid<br \/>\nc. rhombus<br \/>\nd. rectangle<\/p>\n<p>Answer:<br \/>\nb. trapezoid<\/p>\n<p>Explanation:<br \/>\nThe given quadrilateral doesn&#8217;t have right angles. So, it is not a square and a rectangle. Also, the quadrilateral doesn&#8217;t have equal sides. So, it is not a rhombus.<\/p>\n<p>Question 2.<br \/>\nWhich quadrilaterals appear to have 2 pairs of opposite sides that are parallel?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-72.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 72\" width=\"277\" height=\"79\" \/><br \/>\nOptions:<br \/>\na. A and B<br \/>\nb. A, B, and C<br \/>\nc. A only<br \/>\nd. B only<\/p>\n<p>Answer:<br \/>\na. A and B<\/p>\n<p>Explanation:<br \/>\nThe A and B shapes have 2 pairs of opposite sides that are parallel.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nAiden drew the polygon shown. What is the name of the polygon he drew?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-73.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 73\" width=\"94\" height=\"103\" \/><br \/>\nOptions:<br \/>\na. decagon<br \/>\nb. hexagon<br \/>\nc. octagon<br \/>\nd. pentagon<\/p>\n<p>Answer:<br \/>\na. decagon<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2164\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Classify-Quadrilaterals-image-1-728-264x300.png\" alt=\"Chapter 12 Classify Quadrilaterals image 1 728\" width=\"131\" height=\"149\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Classify-Quadrilaterals-image-1-728-264x300.png 264w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Classify-Quadrilaterals-image-1-728.png 289w\" sizes=\"(max-width: 131px) 100vw, 131px\" \/><br \/>\n10 sides; 10 angles<\/p>\n<p>Question 4.<br \/>\nHow many pairs of parallel sides does this shape appear to have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-74.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 74\" width=\"94\" height=\"80\" \/><br \/>\nOptions:<br \/>\na. 4<br \/>\nb. 2<br \/>\nc. 1<br \/>\nd. 0<\/p>\n<p>Answer:<br \/>\nb. 2<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2132\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-5-714-300x183.png\" alt=\"Chapter 12 Identify Polygons image 5 714\" width=\"130\" height=\"79\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-5-714-300x183.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Identify-Polygons-image-5-714.png 383w\" sizes=\"(max-width: 130px) 100vw, 130px\" \/><\/p>\n<p>Side a and a are one pair of parallel lines.<br \/>\nSide b and b are one pair of parallel lines.<br \/>\nThe quadrilateral has 2 pairs of parallel sides.<\/p>\n<p>Question 5.<br \/>\nWhat word describes the dashed sides of the shape shown?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-75.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 75\" width=\"92\" height=\"80\" \/><br \/>\nOptions:<br \/>\na. intersecting<br \/>\nb. parallel<br \/>\nc. perpendicular<br \/>\nd. right<\/p>\n<p>Answer:<br \/>\nb. parallel<\/p>\n<p>Explanation:<br \/>\nThe dashed sides of the shape would never cross or meet. They are always the same distance apart. So, they appear to be parallel lines.<\/p>\n<p>Question 6.<br \/>\nHow many right angles does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-76.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Classify Quadrilaterals img 76\" width=\"87\" height=\"61\" \/><br \/>\nOptions:<br \/>\na. 0<br \/>\nb. 1<br \/>\nc. 2<br \/>\nd. 3<\/p>\n<p>Answer:<br \/>\na. 0<\/p>\n<p>Explanation:<br \/>\nThere are no right angles available for the given shape.<\/p>\n<h3><a id=\"Draw_Quadrilaterals_\u2013_Page_No._733\"><\/a>Draw Quadrilaterals &#8211; Page No. 733<\/h3>\n<p><strong>Draw a quadrilateral that is described.<\/strong><br \/>\n<strong>Name the quadrilateral you drew.<\/strong><\/p>\n<p>Question 1.<br \/>\n4 sides of equal length<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-77.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Draw Quadrilaterals img 77\" width=\"137\" height=\"159\" \/><\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">square<\/span><\/p>\n<p>Explanation:<br \/>\nA square has four equal sides and four equal angles<\/p>\n<p>Question 2.<br \/>\n1 pair of opposite sides that are parallel<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-78.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Draw Quadrilaterals img 78\" width=\"145\" height=\"107\" \/><br \/>\n_________<\/p>\n<p>Answer:<br \/>\ntrapezoid<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2165\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-1-733-300x228.png\" alt=\"Chapter 12 Draw Quadrilaterals image 1 733\" width=\"160\" height=\"121\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-1-733-300x228.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-1-733.png 341w\" sizes=\"(max-width: 160px) 100vw, 160px\" \/><br \/>\ntrapezoid<\/p>\n<p><strong>Draw a quadrilateral that does not belong.<\/strong><br \/>\n<strong>Then explain why.<\/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-12-Two-Dimensional-Shapes-img-79.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Draw Quadrilaterals img 79\" width=\"604\" height=\"105\" \/><\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2166\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Classify-Quadrilaterals-image-2-728-300x55.png\" alt=\"Chapter 12 Classify Quadrilaterals image 2 728\" width=\"551\" height=\"101\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Classify-Quadrilaterals-image-2-728-300x55.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Classify-Quadrilaterals-image-2-728.png 626w\" sizes=\"(max-width: 551px) 100vw, 551px\" \/><\/p>\n<p>Explanation:<br \/>\nThe shape is a trapezoid. It has only 1 pair of opposite sides that are parallel. The 3 quadrilaterals shown have 2 pairs of sides that are parallel.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 4.<br \/>\nLayla drew a quadrilateral with 4 right angles and 2 pairs of opposite sides that are parallel. Name the quadrilateral she could have drawn.<br \/>\n_________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">square or rectangle<\/span><\/p>\n<p>Explanation:<br \/>\nThe square or rectangle has 4 right angles and 2 pairs of opposite sides that are parallel.<\/p>\n<p>Question 5.<br \/>\nVictor drew a quadrilateral with no right angles and 4 sides of equal length. What quadrilateral could Victor have drawn?<br \/>\n_________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">rhombus.<\/span><\/p>\n<p>Explanation:<br \/>\nA rhombus has no right angles and 4 sides of equal length.<\/p>\n<h3><a id=\"Draw_Quadrilaterals_Lesson_Check_\u2013_Page_No._734\"><\/a>Draw Quadrilaterals &#8211; Page No. 734<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nChloe drew a quadrilateral with 2 pairs of opposite sides that are parallel. Which shape could NOT be Chloe\u2019s quadrilateral?<br \/>\nOptions:<br \/>\na. rectangle<br \/>\nb. rhombus<br \/>\nc. square<br \/>\nd. trapezoid<\/p>\n<p>Answer:<br \/>\nd. trapezoid<\/p>\n<p>Explanation:<br \/>\nA trapezoid will have only one pair of parallel lines.<\/p>\n<p>Question 2.<br \/>\nMike drew a quadrilateral with four right angles. Which shape could he have drawn?<br \/>\nOptions:<br \/>\na. rectangle<br \/>\nb. hexagon<br \/>\nc. trapezoid<br \/>\nd. triangle<\/p>\n<p>Answer:<br \/>\na. rectangle<\/p>\n<p>Explanation:<br \/>\nA rectangle will have four right angles.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nA quadrilateral has 4 right angles and 4 sides of equal length. What is the name of the quadrilateral?<br \/>\nOptions:<br \/>\na. pentagon<br \/>\nb. square<br \/>\nc. trapezoid<br \/>\nd. hexagon<\/p>\n<p>Answer:<br \/>\nb. square<\/p>\n<p>Explanation:<br \/>\nA square has 4 right angles, 4 sides of equal length, and 2 pairs of opposite sides that are parallel.<\/p>\n<p>Question 4.<br \/>\nMark drew two lines that form a right angle. Which word describes the lines Mark drew?<br \/>\nOptions:<br \/>\na. perpendicular<br \/>\nb. parallel<br \/>\nc. acute<br \/>\nd. obtuse<\/p>\n<p>Answer:<br \/>\na. perpendicular<\/p>\n<p>Explanation:<br \/>\nIntersecting lines that cross or meet to form right angles are perpendicular lines.<\/p>\n<p>Question 5.<br \/>\nDennis drew the rectangle on grid paper. What is the perimeter of the rectangle Dennis drew?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-80.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Draw Quadrilaterals img 80\" width=\"123\" height=\"102\" \/><br \/>\nOptions:<br \/>\na. 7 units<br \/>\nb. 12 units<br \/>\nc. 14 units<br \/>\nd. 15 units<\/p>\n<p>Answer:<br \/>\nb. 12 units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2167\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-1-734-300x248.png\" alt=\"Chapter 12 Draw Quadrilaterals image 1 734\" width=\"158\" height=\"131\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-1-734-300x248.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-1-734.png 405w\" sizes=\"(max-width: 158px) 100vw, 158px\" \/><br \/>\n3 + 3 + 3 + 3 = 12 units.<\/p>\n<p>Question 6.<br \/>\nJill drew the rectangle on grid paper. What is the area of the rectangle Jill drew?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-81.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Draw Quadrilaterals img 81\" width=\"142\" height=\"105\" \/><br \/>\nOptions:<br \/>\na. 12 square units<br \/>\nb. 15 square units<br \/>\nc. 16 square units<br \/>\nd. 18 square units<\/p>\n<p>Answer:<br \/>\nb. 15 square units<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2168\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-3-734-300x235.png\" alt=\"Chapter 12 Draw Quadrilaterals image 3 734\" width=\"140\" height=\"110\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-3-734-300x235.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Draw-Quadrilaterals-image-3-734.png 371w\" sizes=\"(max-width: 140px) 100vw, 140px\" \/><br \/>\n5 x 3 = 15 square units.<\/p>\n<h3><a id=\"Describe_Triangles_\u2013_Page_No._739\"><\/a>Describe Triangles &#8211; Page No. 739<\/h3>\n<p><strong>Use the triangles for 1\u20133. Write A, B, or C.<\/strong><br \/>\n<strong>Then complete the sentences.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-82.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 82\" width=\"488\" height=\"89\" \/><\/p>\n<p>Question 1.<br \/>\nTriangle <span style=\"text-decoration: underline;\">B<\/span> has 3 angles less than a right angle and<br \/>\nappears to have 3 sides of equal length.<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">B<\/span><\/p>\n<p>Question 2.<br \/>\nTriangle _________ has 1 right angle and appears to have<br \/>\n_________ sides of equal length.<\/p>\n<p>Answer:<br \/>\nTriangle <span style=\"text-decoration: underline;\"><strong>C<\/strong><\/span> has 1 right angle and appears to have <strong><span style=\"text-decoration: underline;\">0<\/span><\/strong>\u00a0sides of equal length.<\/p>\n<p>Question 3.<br \/>\nTriangle _________ has 1 angle greater than a right angle and appears to have<br \/>\n_________ sides of equal length.<\/p>\n<p>Answer:<br \/>\nTriangle <strong>A <\/strong>has 1 angle greater than a right angle and appears to have <strong>2<\/strong> sides of equal length.<\/p>\n<p>Question 4.<br \/>\nKyle, Kathy, and Kelly each drew a triangle. Who drew the triangle that has 1 angle greater than a right angle and appears to have no sides of equal length?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-83.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 83\" width=\"325\" height=\"115\" \/><br \/>\n_________<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">Kathy<\/span><\/p>\n<p>Explanation:<br \/>\nKathy triangle has 1 angle greater than a right angle and has no sides of equal length.<\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 5.<br \/>\nMatthew drew the back of his tent. How many sides appear to be of equal length?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-84.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 84\" width=\"126\" height=\"138\" \/><br \/>\n_________ sides<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">2 sides<\/span><\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2169\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Triangles-image-1-739.png\" alt=\"Chapter 12 Describe Triangles image 1 739\" width=\"83\" height=\"92\" \/><br \/>\na and b are 2 sides have equal lengths.<\/p>\n<p>Question 6.<br \/>\nSierra made the triangular picture frame shown. How many angles are greater than a right angle?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-85.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 85\" width=\"178\" height=\"137\" \/><br \/>\n_________<\/p>\n<p>Answer:<br \/>\n<u>0<\/u><\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2170\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Triangles-image-3-739.png\" alt=\"Chapter 12 Describe Triangles image 3 739\" width=\"155\" height=\"143\" \/><br \/>\n0 angles are greater than a right angle.<\/p>\n<h3><a id=\"Describe_Triangles_Lesson_Check_\u2013_Page_No._740\"><\/a>Describe Triangles &#8211; Page No. 740<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nHow many angles less than a right angle does this triangle have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-86.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 86\" width=\"153\" height=\"86\" \/><br \/>\nOptions:<br \/>\na. 0<br \/>\nb. 1<br \/>\nc. 2<br \/>\nd. 3<\/p>\n<p>Answer:<br \/>\nd. 3<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2171\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Triangles-image-1-740-300x201.png\" alt=\"Chapter 12 Describe Triangles image 1 740\" width=\"154\" height=\"103\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Triangles-image-1-740-300x201.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Triangles-image-1-740.png 374w\" sizes=\"(max-width: 154px) 100vw, 154px\" \/><br \/>\n3 angles less than a right angle.<\/p>\n<p>Question 2.<br \/>\nHow many sides of equal length does this triangle appear to have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-87.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 87\" width=\"106\" height=\"103\" \/><br \/>\nOptions:<br \/>\na. 0<br \/>\nb. 1<br \/>\nc. 2<br \/>\nd. 3<\/p>\n<p>Answer:<br \/>\nc. 2<\/p>\n<p>Explanation:<br \/>\nThe two lines forming the right angle are equal in length.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nA quadrilateral has 4 right angles and 2 pairs of opposite sides that are parallel. Which quadrilateral could it be?<br \/>\nOptions:<br \/>\na. trapezoid<br \/>\nb. hexagon<br \/>\nc. triangle<br \/>\nd. rectangle<\/p>\n<p>Answer:<br \/>\nd. rectangle<\/p>\n<p>Explanation:<br \/>\nA rectangle has\u00a04 right angles and 2 pairs of opposite sides that are parallel.<\/p>\n<p>Question 4.<br \/>\nMason drew a quadrilateral with only one pair of opposite sides that are parallel. Which quadrilateral did Mason draw?<br \/>\nOptions:<br \/>\na. square<br \/>\nb. rhombus<br \/>\nc. trapezoid<br \/>\nd. rectangle<\/p>\n<p>Answer:<br \/>\nc. trapezoid<\/p>\n<p>Explanation:<br \/>\nA trapezoid will have only one pair of opposite sides that are parallel.<\/p>\n<p>Question 5.<br \/>\nWhich shape has an area of 8 square units and a perimeter of 12 units?<br \/>\nOptions:<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-88.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 88\" width=\"85\" height=\"46\" \/><br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-89.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 89\" width=\"99\" height=\"28\" \/><br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-90.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 90\" width=\"65\" height=\"66\" \/><br \/>\nd. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-91.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 91\" width=\"119\" height=\"45\" \/><\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\">a<\/span><\/p>\n<p>Explanation:<br \/>\na. Area = 2 x 4 = 8 square units; Perimeter = 2 + 4 + 2 + 4 = 12 units.<\/p>\n<p>Question 6.<br \/>\nWhat fraction of the square is shaded?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-92.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Describe Triangles img 92\" width=\"104\" height=\"102\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{3}{5}\\)<br \/>\nb. \\(\\frac{5}{3}\\)<br \/>\nc. \\(\\frac{3}{8}\\)<br \/>\nd. \\(\\frac{8}{5}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{3}{8}\\)<\/p>\n<p>Explanation:<br \/>\nThe image has 8 parts. 3 parts are shaded out of 8 parts. So, \\(\\frac{3}{8}\\) is the answer.<\/p>\n<h3><a id=\"Problem_Solving_Classify_Plane_Shapes_\u2013_Page_No._745\"><\/a>Problem Solving Classify Plane Shapes &#8211; Page No. 745<\/h3>\n<p><strong>Solve each problem.<\/strong><\/p>\n<p>Question 1.<br \/>\nSteve drew the shapes below. Write the letter of each shape where it belongs in the Venn diagram.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-93.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 93\" width=\"324\" height=\"169\" \/><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-94.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 94\" width=\"290\" height=\"202\" \/><\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-94.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 94\" width=\"290\" height=\"202\" \/><\/p>\n<p>Question 2.<br \/>\nJanice drew the shapes below. Write the letter of each shape where it belongs in the Venn diagram.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-95.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 95\" width=\"218\" height=\"145\" \/><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-96.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 96\" width=\"298\" height=\"232\" \/><\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2172\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-1-745-300x248.png\" alt=\"Chapter 12 Problem Solving Classify Plane Shapes image 1 745\" width=\"256\" height=\"212\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-1-745-300x248.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-1-745.png 422w\" sizes=\"(max-width: 256px) 100vw, 256px\" \/><\/p>\n<p>Question 3.<br \/>\nBeth drew the shapes below. Write the letter of each shape where it belongs in the Venn diagram.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-97.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 97\" width=\"403\" height=\"154\" \/><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-98.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 98\" width=\"287\" height=\"223\" \/><\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\"><br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2173\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-2-745-300x240.png\" alt=\"Chapter 12 Problem Solving Classify Plane Shapes image 2 745\" width=\"229\" height=\"183\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-2-745-300x240.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-2-745.png 311w\" sizes=\"(max-width: 229px) 100vw, 229px\" \/><br \/>\n<\/span><\/p>\n<h3><a id=\"Problem_Solving_Classify_Plane_Shapes_Lesson_Check_\u2013_Page_No._746\"><\/a>Problem Solving Classify Plane Shapes &#8211; Page No. 746<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-99.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 99\" width=\"248\" height=\"191\" \/><\/p>\n<p>Question 1.<br \/>\nWhich shape would go in the section where the two circles overlap?<br \/>\nOptions:<br \/>\na. triangle<br \/>\nb. trapezoid<br \/>\nc. square<br \/>\nd. hexagon<\/p>\n<p>Answer:<br \/>\nc. square<\/p>\n<p>Explanation:<br \/>\nA square is a rectangle with equal lengths of all sides.<\/p>\n<p>Question 2.<br \/>\nWhich shape could NOT go in the circle labeled All Sides of Equal Length?<br \/>\nOptions:<br \/>\na. rhombus<br \/>\nb. trapezoid<br \/>\nc. square<br \/>\nd. triangle<\/p>\n<p>Answer:<br \/>\nb. trapezoid<\/p>\n<p>Explanation:<br \/>\nA trapezoid will not have All Sides of Equal Length.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nHow many angles greater than a right angle does this triangle have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-100.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 100\" width=\"125\" height=\"72\" \/><br \/>\nOptions:<br \/>\na. 0<br \/>\nb. 1<br \/>\nc. 2<br \/>\nd. 3<\/p>\n<p>Answer:<br \/>\nb. 1<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2174\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-3-745-300x184.png\" alt=\"Chapter 12 Problem Solving Classify Plane Shapes image 3 745\" width=\"116\" height=\"71\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-3-745-300x184.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Problem-Solving-Classify-Plane-Shapes-image-3-745.png 343w\" sizes=\"(max-width: 116px) 100vw, 116px\" \/><br \/>\n1 angle is greater than a right angle.<\/p>\n<p>Question 4.<br \/>\nHow many sides of equal length does this triangle appear to have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-101.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 101\" width=\"94\" height=\"81\" \/><br \/>\nOptions:<br \/>\na. 0<br \/>\nb. 1<br \/>\nc. 2<br \/>\nd. 3<\/p>\n<p>Answer:<br \/>\nd. 3<\/p>\n<p>Explanation:<br \/>\nThe triangle appears to have 3 sides of equal length.<\/p>\n<p>Question 5.<br \/>\nMadison drew this shape. How many angles less than a right angle does it have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-102.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 102\" width=\"91\" height=\"89\" \/><br \/>\nOptions:<br \/>\na. 0<br \/>\nb. 1<br \/>\nc. 3<br \/>\nd. 5<\/p>\n<p>Answer:<br \/>\na. 0<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2175\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707-300x300.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 2 707\" width=\"141\" height=\"141\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707-300x300.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707-150x150.png 150w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-2-707.png 303w\" sizes=\"(max-width: 141px) 100vw, 141px\" \/><br \/>\n0<\/p>\n<p>Question 6.<br \/>\nHow many dots are in \\(\\frac{1}{2}\\) of this group?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-103.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Problem Solving Classify Plane Shapes img 103\" width=\"208\" height=\"93\" \/><br \/>\nOptions:<br \/>\na. 6<br \/>\nb. 8<br \/>\nc. 9<br \/>\nd. 18<\/p>\n<p>Answer:<br \/>\nc. 9<\/p>\n<p>Explanation:<br \/>\n9 dots are in \\(\\frac{1}{2}\\) of this group.<\/p>\n<h3><a id=\"Relate_Shapes,_Fractions,_and_Area_\u2013_Page_No._751\"><\/a>Relate Shapes, Fractions, and Area &#8211; Page No. 751<\/h3>\n<p><strong>Draw lines to divide the shape into equal parts that show the fraction given.<\/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-12-Two-Dimensional-Shapes-img-104.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 104\" width=\"104\" height=\"109\" \/><br \/>\n\\(\\frac{1}{3}\\)<\/p>\n<p>Answer:<br \/>\n\\(\\frac{1}{3}\\)<\/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-12-Two-Dimensional-Shapes-img-105.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 105\" width=\"199\" height=\"83\" \/><br \/>\n\\(\\frac{1}{8}\\)<\/p>\n<p>Answer:<br \/>\n<span style=\"text-decoration: underline;\"><br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2178\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-1-751-300x132.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 1 751\" width=\"205\" height=\"90\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-1-751-300x132.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-1-751.png 448w\" sizes=\"(max-width: 205px) 100vw, 205px\" \/><br \/>\n<\/span><\/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-12-Two-Dimensional-Shapes-img-106.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 106\" width=\"121\" height=\"106\" \/><br \/>\n\\(\\frac{1}{2}\\)<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2179\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-2-751-300x254.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 2 751\" width=\"124\" height=\"105\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-2-751-300x254.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-2-751.png 339w\" sizes=\"(max-width: 124px) 100vw, 124px\" \/><span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/p>\n<p><strong>Draw lines to divide the shape into parts with equal area. Write the area of each part as a unit fraction.<\/strong><\/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-12-Two-Dimensional-Shapes-img-107.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 107\" width=\"159\" height=\"104\" \/><br \/>\n4 equal parts<br \/>\n\\(\\frac{\u25a1}{\u25a1}\\)<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-2180\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-4-751.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 4 751\" width=\"121\" height=\"81\" \/><br \/>\n<span style=\"text-decoration: underline;\">\\(\\frac{1}{4}\\)<\/span><\/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-12-Two-Dimensional-Shapes-img-108.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 108\" width=\"123\" height=\"121\" \/><br \/>\n6 equal parts<br \/>\n\\(\\frac{\u25a1}{\u25a1}\\)<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-2182\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-5-751.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 5 751\" width=\"92\" height=\"93\" \/><br \/>\n\\(\\frac{1}{6}\\)<span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/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-12-Two-Dimensional-Shapes-img-109.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 109\" width=\"103\" height=\"118\" \/><br \/>\n3 equal parts<br \/>\n\\(\\frac{\u25a1}{\u25a1}\\)<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-2183\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-6-751.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 6 751\" width=\"78\" height=\"85\" \/><br \/>\n<span style=\"text-decoration: underline;\">\\(\\frac{1}{3}\\)<\/span><\/p>\n<p><em><strong>Problem Solving<\/strong><\/em><\/p>\n<p>Question 7.<br \/>\nRobert divided a hexagon into 3 equal parts. Show how he might have divided the hexagon. Write the fraction that names each part of the whole you divided.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-110.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 110\" width=\"171\" height=\"146\" \/><br \/>\n\\(\\frac{\u25a1}{\u25a1}\\)<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-2184\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-7-751.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 7 751\" width=\"137\" height=\"108\" \/><br \/>\n\\(\\frac{1}{3}\\)<\/p>\n<p>Question 8.<br \/>\nShow how you might divide the shape into 8 equal parts. What fraction names the area of each part of the divided shape?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-111.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 111\" width=\"181\" height=\"143\" \/><br \/>\n\\(\\frac{\u25a1}{\u25a1}\\)<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-2185\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-8-751.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 8 751\" width=\"135\" height=\"109\" \/><br \/>\n<span style=\"text-decoration: underline;\">\\(\\frac{1}{8}\\)<\/span><\/p>\n<h3><a id=\"Relate_Shapes,_Fractions,_and_Area__Lesson_Check_\u2013_Page_No._752\"><\/a>Relate Shapes, Fractions, and Area &#8211; Page No. 752<\/h3>\n<p><em><strong>Lesson Check<\/strong><\/em><\/p>\n<p>Question 1.<br \/>\nWhat fraction names each part of the divided whole?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-112.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 112\" width=\"141\" height=\"73\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{1}{2}\\)<br \/>\nb. \\(\\frac{1}{3}\\)<br \/>\nc. \\(\\frac{1}{4}\\)<br \/>\nd. \\(\\frac{1}{6}\\)<\/p>\n<p>Answer:<br \/>\nb. \\(\\frac{1}{3}\\)<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2186\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-2-752-300x155.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 2 752\" width=\"170\" height=\"88\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-2-752-300x155.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-2-752.png 345w\" sizes=\"(max-width: 170px) 100vw, 170px\" \/><br \/>\nThe shape has 3 parts. One part is shaded out of 3.<\/p>\n<p>Question 2.<br \/>\nWhat fraction names the whole area that was divided?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-113.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 113\" width=\"69\" height=\"64\" \/><br \/>\nOptions:<br \/>\na. \\(\\frac{1}{8}\\)<br \/>\nb. \\(\\frac{1}{2}\\)<br \/>\nc. \\(\\frac{8}{8}\\)<br \/>\nd. \\(\\frac{8}{1}\\)<\/p>\n<p>Answer:<br \/>\nc. \\(\\frac{8}{8}\\)<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2187\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Relate-Shapes-Fractions-and-Area-image-9-752.png\" alt=\"Chapter 12 Relate Shapes, Fractions, and Area image 9 752\" width=\"95\" height=\"99\" \/><br \/>\n8 parts are shaded out of 8 parts. So, \\(\\frac{8}{8}\\) is the answer.<\/p>\n<p><em><strong>Spiral Review<\/strong><\/em><\/p>\n<p>Question 3.<br \/>\nLil drew the figure below. Which word does NOT describe the shape?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-114.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 114\" width=\"65\" height=\"60\" \/><br \/>\nOptions:<br \/>\na. plane shape<br \/>\nb. closed shape<br \/>\nc. open shape<br \/>\nd. curved path<\/p>\n<p>Answer:<br \/>\nc. open shape<\/p>\n<p>Explanation:<br \/>\nThe given shape is started and ended at the same point. So, it is not an open shape.<\/p>\n<p>Question 4.<br \/>\nHow many line segments does this shape have?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-115.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 115\" width=\"97\" height=\"90\" \/><br \/>\nOptions:<br \/>\na. 6<br \/>\nb. 5<br \/>\nc. 4<br \/>\nd. 3<\/p>\n<p>Answer:<br \/>\nb. 5<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2189\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-4-701-1-296x300.png\" alt=\"Chapter 12 Describe Plane Shapes image 4 701\" width=\"124\" height=\"126\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-4-701-1-296x300.png 296w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Plane-Shapes-image-4-701-1.png 336w\" sizes=\"(max-width: 124px) 100vw, 124px\" \/><br \/>\n5<\/p>\n<p><strong>Use the Venn diagram for 5\u20136.<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-116.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Relate Shapes, Fractions, and Area img 116\" width=\"253\" height=\"197\" \/><\/p>\n<p>Question 5.<br \/>\nWhich shape would go in the section where the two circles overlap?<br \/>\nOptions:<br \/>\na. triangle<br \/>\nb. square<br \/>\nc. trapezoid<br \/>\nd. pentagon<\/p>\n<p>Answer:<br \/>\nb. square<\/p>\n<p>Explanation:<br \/>\nA square have right angles and all sides with equal lengths.<\/p>\n<p>Question 6.<br \/>\nWhich shape could NOT go in the circle labeled All Sides of Equal Length?<br \/>\nOptions:<br \/>\na. square<br \/>\nb. rhombus<br \/>\nc. triangle<br \/>\nd. rectangle<\/p>\n<p>Answer:<br \/>\nd. rectangle<\/p>\n<p>Explanation:<br \/>\nA rectangle doesn&#8217;t have All Sides of Equal Length.<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._753\"><\/a>Review\/Test &#8211; Page No. 753<\/h3>\n<p>Question 1.<br \/>\nWhich words describe this shape? Mark all that apply.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-117.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 117\" width=\"63\" height=\"84\" \/><br \/>\nOptions:<br \/>\na. polygon<br \/>\nb. open shape<br \/>\nc. pentagon<br \/>\nd. quadrilateral<\/p>\n<p>Answer:<br \/>\na. polygon<br \/>\nc. pentagon<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2147\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721-295x300.png\" alt=\"Chapter 12 Concepts and Skills image 3 721\" width=\"89\" height=\"90\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721-295x300.png 295w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721-150x150.png 150w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Concepts-and-Skills-image-3-721.png 392w\" sizes=\"(max-width: 89px) 100vw, 89px\" \/><br \/>\nA polygon is a closed plane shape that is made up of line segments that meet only at their endpoints. Each line segment in a polygon is a side. So, the shape is a polygon. Also, the shape has five sides and five angles. So, it is a pentagon.<\/p>\n<p>Question 2.<br \/>\nUmberto drew one side of a quadrilateral with 4 equal sides and no right angles. Draw the other 3 sides to complete Umberto\u2019s shape.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-118.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 118\" width=\"173\" height=\"171\" \/><br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2190\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-753.png\" alt=\"Chapter 12 Review image 1 753\" width=\"154\" height=\"159\" \/><span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/p>\n<p>Question 3.<br \/>\nMikael saw a painting that included this shape.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-119.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 119\" width=\"70\" height=\"78\" \/><br \/>\nFor numbers 3a\u20133d, select True or False for each statement about the shape.<br \/>\na. The shape has no right angles.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\nii. False<\/p>\n<p>Question 3.<br \/>\nb. The shape has 2 angles greater than a right angle.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\nii. False<\/p>\n<p>Question 3.<br \/>\nc. The shape has 2 right angles.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\ni. True<\/p>\n<p>Question 3.<br \/>\nd. The shape has 1 angle greater than a right angle.<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\ni. True<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._754\"><\/a>Review\/Test &#8211; Page No. 754<\/h3>\n<p>Question 4.<br \/>\nFran used a Venn Diagram to sort shapes.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-120.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 120\" width=\"246\" height=\"200\" \/><br \/>\nPart A<br \/>\nDraw another plane shape that belongs inside the left circle of the diagram but NOT in the section where the circles overlap.<br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2191\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-754-300x256.png\" alt=\"Chapter 12 Review image 1 754\" width=\"197\" height=\"168\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-754-300x256.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-754.png 479w\" sizes=\"(max-width: 197px) 100vw, 197px\" \/><span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/p>\n<p>Question 4.<br \/>\nPart B<br \/>\nHow can you describe the shapes in the section where the circles overlap?<br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\nThe shapes in the circle overlap are polygons with right angles. Also, those shapes have 4 sides and 4 angles named as quadrilaterals.<\/p>\n<p>Question 5.<br \/>\nMatch each object in the left column with its name in the right column.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-121.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 121\" width=\"523\" height=\"141\" \/><br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2192\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-2-754-300x107.png\" alt=\"Chapter 12 Review image 2 754\" width=\"272\" height=\"97\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-2-754-300x107.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-2-754.png 567w\" sizes=\"(max-width: 272px) 100vw, 272px\" \/><span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/p>\n<p>Question 6.<br \/>\nDescribe the angles and sides of this triangle.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-122.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 122\" width=\"90\" height=\"92\" \/><br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\nThe triangle has 3 sides of equal length. Also, the triangle has 3 angles with less than a right angle.<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._755\"><\/a>Review\/Test &#8211; Page No. 755<\/h3>\n<p>Question 7.<br \/>\nWhich words describe this shape. Mark all that apply.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-123.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 123\" width=\"74\" height=\"74\" \/><br \/>\nOptions:<br \/>\na. rectangle<br \/>\nb. rhombus<br \/>\nc. quadrilateral<br \/>\nd. square<\/p>\n<p>Answer:<br \/>\na. rectangle<br \/>\nc. quadrilateral<br \/>\nd. square<\/p>\n<p>Explanation:<br \/>\nThe given shape is a square or rectangle with 4 sides and 4 angles.<\/p>\n<p>Question 8.<br \/>\nDivide each shape into the number of equal parts shown. Then write the fraction that describes each part of the whole.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-124.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 124\" width=\"589\" height=\"161\" \/><br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\n\\(\\frac{1}{3}\\)<br \/>\n\\(\\frac{1}{6}\\)<br \/>\n\\(\\frac{1}{8}\\)<\/p>\n<p>Explanation:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2193\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-755-300x96.png\" alt=\"Chapter 12 Review image 1 755\" width=\"428\" height=\"137\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-755-300x96.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-755.png 747w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/><br \/>\n\\(\\frac{1}{3}\\)<br \/>\n\\(\\frac{1}{6}\\)<br \/>\n\\(\\frac{1}{8}\\)<\/p>\n<p>Question 9.<br \/>\nHan drew a triangle with 1 angle greater than a right angle.<br \/>\nFor numbers 9a\u20139d, choose Yes or No to tell whether the triangle could be the triangle Han drew.<br \/>\na. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-125.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 125\" width=\"93\" height=\"85\" \/><br \/>\ni. yes<br \/>\nii. no<\/p>\n<p>Answer:<br \/>\nii. no<\/p>\n<p>Explanation:<br \/>\nIt has all the angles less than a right angle.<\/p>\n<p>Question 9.<br \/>\nb. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-126.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 126\" width=\"155\" height=\"81\" \/><br \/>\ni. yes<br \/>\nii. no<\/p>\n<p>Answer:<br \/>\nii. no<\/p>\n<p>Explanation:<br \/>\nIt has one right angle and two angles with less than a right angle.<\/p>\n<p>Question 9.<br \/>\nc. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-127.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 127\" width=\"160\" height=\"54\" \/><br \/>\ni. yes<br \/>\nii. no<\/p>\n<p>Answer:<br \/>\ni. yes<\/p>\n<p>Explanation:<br \/>\nIt has one angle greater than a right angle<\/p>\n<p>Question 9.<br \/>\nd. <img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-128.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 128\" width=\"175\" height=\"60\" \/><br \/>\ni. yes<br \/>\nii. no<\/p>\n<p>Answer:<br \/>\ni. yes<\/p>\n<p>Explanation:<br \/>\nIt has one angle greater than a right angle<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._756\"><\/a>Review\/Test &#8211; Page No. 756<\/h3>\n<p>Question 10.<br \/>\nLook at this group of pattern blocks.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-129.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 129\" width=\"280\" height=\"139\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2194\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-6-756-300x154.png\" alt=\"Chapter 12 Review image 6 756\" width=\"282\" height=\"145\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-6-756-300x154.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-6-756.png 581w\" sizes=\"(max-width: 282px) 100vw, 282px\" \/><br \/>\nPart A<br \/>\nSort the pattern blocks by sides. How many groups did you make? Explain how you sorted the shapes.<br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\nA has 6 sides 6 angles = hexagon.<br \/>\nB has 4 sides 4 angles = quadrilateral<br \/>\nC has 4 sides 4 angles = quadrilateral<br \/>\nD has 3 sides 3 angles = triangle<br \/>\nE has 4 sides 4 angles = quadrilateral<br \/>\nF has 4 sides 4 angles = quadrilateral<br \/>\n1 triangle, 4 quadrilateral, and 1 hexagon blocks available.<\/p>\n<p>Question 10.<br \/>\nPart B<br \/>\nSort the pattern blocks by angles. How many groups did you make? Explain how you sorted the shapes.<br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\nA and F have greater than a right angle.<br \/>\nB has 4 right angles.<br \/>\nC, D, and E have all the angles less than a right angle.<\/p>\n<p>Question 11.<br \/>\nTeresa drew a quadrilateral that had 4 sides of equal length and no right angles. What quadrilateral did she draw?<br \/>\n____________<\/p>\n<p>Answer:<br \/>\nrhombus<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._757\"><\/a>Review\/Test &#8211; Page No. 757<\/h3>\n<p>Question 12.<br \/>\nRhea used a Venn diagram to sort shapes. What label could she use for circle A?<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-130.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 130\" width=\"276\" height=\"212\" \/><br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\nRight Angle<\/p>\n<p>Question 13.<br \/>\nColette drew lines to divide a rectangle into equal parts that each represent \\(\\frac{1}{6}\\) of the whole area. Her first line is shown. Draw lines to complete Colette\u2019s model.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-131.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 131\" width=\"267\" height=\"137\" \/><br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2196\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Review-image-1-757.png\" alt=\"Chapter 12 Review image 1 757\" width=\"227\" height=\"164\" \/><span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/p>\n<p>Question 14.<br \/>\nBrad drew a quadrilateral. Select the pairs of sides that appear to be parallel. Mark all that apply.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-132.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 132\" width=\"127\" height=\"89\" \/><br \/>\nOptions:<br \/>\na. a and b<br \/>\nb. b and d<br \/>\nc. c and a<br \/>\nd. d and c<\/p>\n<p>Answer:<br \/>\nb. b and d<br \/>\nc. c and a<\/p>\n<h3><a id=\"Review\/Test_\u2013_Page_No._758\"><\/a>Review\/Test &#8211; Page No. 758<\/h3>\n<p>Question 15.<br \/>\nGive two reasons that this shape is not a polygon.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-133.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 133\" width=\"177\" height=\"147\" \/><br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\n1. The shape is not a closed shape.<br \/>\n2. The shape has no line segments.<\/p>\n<p>Question 16.<br \/>\nA triangle has 1 angle greater than a right angle. What must be true about the other angles? Mark all that apply.<br \/>\nOptions:<br \/>\na. At least one must be less than a right angle.<br \/>\nb. One could be a right angle.<br \/>\nc. Both must be less than a right angle.<br \/>\nd. One must be greater than a right angle.<\/p>\n<p>Answer:<br \/>\nc. Both must be less than a right angle.<\/p>\n<p>Question 17.<br \/>\nAva drew a quadrilateral with 2 pairs of opposite sides that are parallel. The shape has at least 2 right angles. Draw a shape that Ava could have drawn.<br \/>\nType below:<br \/>\n____________<\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-2197\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-1-707-1-300x168.png\" alt=\"Chapter 12 Describe Angles in Plane Shapes image 1 707\" width=\"163\" height=\"91\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-1-707-1-300x168.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/07\/Chapter-12-Describe-Angles-in-Plane-Shapes-image-1-707-1.png 317w\" sizes=\"(max-width: 163px) 100vw, 163px\" \/><span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/p>\n<p>Question 18.<br \/>\nFor 18a\u201318d, select True or False for each description of a ray.<br \/>\n<img loading=\"lazy\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/07\/Go-Math-Grade-3-Answer-Key-Chapter-12-Two-Dimensional-Shapes-img-134.jpg\" alt=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Review\/Test img 134\" width=\"160\" height=\"25\" \/><br \/>\na. straight<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\ni. True<\/p>\n<p>Question 18.<br \/>\nb. has 2 endpoints<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\nii. False<\/p>\n<p>Question 18.<br \/>\nc. part of a line<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\ni. True<\/p>\n<p>Question 18.<br \/>\nd. continues in 1 direction<br \/>\ni. True<br \/>\nii. False<\/p>\n<p>Answer:<br \/>\ni. True<\/p>\n<h3>Conclusion<\/h3>\n<p>Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes makes it easy for you to get a grip on the subjects. Refer to the HMH Go Math Grade 3 Answer Key for quick reference and resolve your queries. Get <a href=\"https:\/\/ccssmathanswers.com\/go-math-grade-3-answer-key-chapter-12-two-dimensional-shapes-extra-practice\/\">Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes Extra Practice<\/a> and test your knowledge on the Chapter.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Access the Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes with Solutions. Seek Homework Help needed as a part of your preparation and avail 3rd Grade Go Math Answer Key to clear your queries. Enhance your problem-solving skills with the help of Go Math Grade 3 Answer Key and understand the concepts better. &#8230; <a title=\"Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes\" class=\"read-more\" href=\"https:\/\/bigideasmathanswers.com\/go-math-grade-3-answer-key-chapter-12-two-dimensional-shapes\/\" aria-label=\"More on Go Math Grade 3 Answer Key Chapter 12 Two-Dimensional Shapes\">Read more<\/a><\/p>\n","protected":false},"author":5,"featured_media":8967,"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-12-two-dimensional-shapes-answer-key.jpeg","_links":{"self":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/1086"}],"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=1086"}],"version-history":[{"count":1,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/1086\/revisions"}],"predecessor-version":[{"id":92768,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/1086\/revisions\/92768"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/media\/8967"}],"wp:attachment":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/media?parent=1086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/categories?post=1086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/tags?post=1086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}