{"id":19573,"date":"2022-04-06T10:48:03","date_gmt":"2022-04-06T05:18:03","guid":{"rendered":"https:\/\/ccssmathanswers.com\/?p=19573"},"modified":"2022-04-07T11:43:29","modified_gmt":"2022-04-07T06:13:29","slug":"big-ideas-math-answers-grade-2-chapter-7","status":"publish","type":"post","link":"https:\/\/bigideasmathanswers.com\/big-ideas-math-answers-grade-2-chapter-7\/","title":{"rendered":"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000"},"content":{"rendered":"<p>Big Ideas Math Grade 2 Chapter 7 Understand Place Value to 1,000 Answer Key is provided in a comprehensive manner for better understanding. Students must solve as many questions as possible in BIM 2nd Grade Chapter 7 Understand Place Value to 1,000 Book and cross-check method and solutions here. If you wanted to become a pro in the place value concept, then refer to <a href=\"https:\/\/bigideasmathanswers.com\/big-ideas-math-answers-grade-2\/\">Big Ideas Math Answers Grade 2<\/a> Chapter 7 Understand Place Value to 1,000.<\/p>\n<h2>Big Ideas Math Book 2nd Grade Answer Key Chapter 7 Understand Place Value to 1,000<\/h2>\n<p>The list of concepts covered in Big Ideas Math Book 2nd Grade 7th Chapter Understand Place Value to 1,000 is given in the below section. It is one of the important concepts that must be learned at the elementary. So, no student is supposed to skip this chapter. Download BIM Grade 2 Chapter 7 Understand Place Value to 1,000 PDF for free of cost and start preparation.<\/p>\n<p>Parents and teachers can have a look at this free Big Ideas Math 2nd Grade Chapter 7 Understand Place Value to 1,000 Answers for a better understanding. After solving the questions available here, you will be able to solve any kind of question framed on the concept and clear your tests with a good score. If you have a doubt just tap on the respective link you wanted to prepare and learn the fundamental topics included within it easily.<\/p>\n<p><strong>Vocabulary<\/strong><\/p>\n<ul>\n<li><a href=\"#Understand_Place_Value_to_1,000_Vocabulary\">Understand Place Value to 1,000 Vocabulary<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 1 Hundreds<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_7.1_Hundreds\">Lesson 7.1 Hundreds<\/a><\/li>\n<li><a href=\"#Hundreds_Homework_&amp;_Practice_7.1\">Hundreds Homework &amp; Practice 7.1<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 2 Model Numbers to 1,000<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_7.2_Model_Numbers_to_1,000\">Lesson 7.2 Model Numbers to 1,000<\/a><\/li>\n<li><a href=\"#Model_Numbers_to_1,000_Homework_&amp;_Practice_7.2\">Model Numbers to 1,000 Homework &amp; Practice 7.2<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 3 Understand Place Value<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_7.3_Understand_Place_Value\">Lesson 7.3 Understand Place Value<\/a><\/li>\n<li><a href=\"#Understand_Place_Value_Homework_&amp;_Practice_7.3\">Understand Place Value Homework &amp; Practice 7.3<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 4 Write Three-Digit Numbers<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_7.4_Write_Three_Digit_Numbers\">Lesson 7.4 Write Three-Digit Numbers<\/a><\/li>\n<li><a href=\"#Three_Digit_Numbers_Homework_&amp;_Practice_7.4\">Three-Digit Numbers Homework &amp; Practice 7.4<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 5 Represent Numbers in Different Ways<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_7.5_Represent_Numbers_in_Different_Ways\">Lesson 7.5 Represent Numbers in Different Ways<\/a><\/li>\n<li><a href=\"#Represent_Numbers_in_Different_Ways_Homework_&amp;_Practice_7.5\">Represent Numbers in Different Ways Homework &amp; Practice 7.5<\/a><\/li>\n<\/ul>\n<p><strong>Understand Place Value to 1,000<\/strong><\/p>\n<ul>\n<li><a href=\"#Understand_Place_Value_to_1,000_Performance_Task\">Understand Place Value to 1,000 Performance Task<\/a><\/li>\n<li><a href=\"#Understand_Place_Value_to_1,000_Activity\">Understand Place Value to 1,000 Activity<\/a><\/li>\n<\/ul>\n<h3><a id=\"Understand_Place_Value_to_1,000_Vocabulary\"><\/a>Understand Place Value to 1,000 Vocabulary<\/h3>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-19589\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-1.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 v 1\" width=\"224\" height=\"125\" \/><\/p>\n<p><strong>Organize It<\/strong><br \/>\nUse the review words to complete the graphic organizer.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19590\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-2.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 v 2\" width=\"567\" height=\"169\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-2.png 567w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-2-300x89.png 300w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-43801\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-2-300x89.jpg\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-2\" width=\"300\" height=\"89\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-2-300x89.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-2.jpg 567w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Explanation:<br \/>\nTens Place: The first digit on the right of the decimal point means tenths.<br \/>\nOnes Place The ones place is just to the left of the decimal point.<\/p>\n<p><strong>Define It<\/strong><br \/>\nUse your vocabulary cards to identify the word.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19591\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-3.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 v 3\" width=\"582\" height=\"285\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-3.png 582w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-3-300x147.png 300w\" sizes=\"(max-width: 582px) 100vw, 582px\" \/><\/p>\n<p>Answer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-43803\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-3-300x147.jpg\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-3\" width=\"300\" height=\"147\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-3-300x147.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-3.jpg 582w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-19592\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-4.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 v 4\" width=\"765\" height=\"445\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-4.png 765w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-4-300x175.png 300w\" sizes=\"(max-width: 765px) 100vw, 765px\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19593\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-5.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 v 5\" width=\"758\" height=\"384\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-5.png 758w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-5-300x152.png 300w\" sizes=\"(max-width: 758px) 100vw, 758px\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-19594\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-6.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 v 6\" width=\"763\" height=\"451\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-6.png 763w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-6-300x177.png 300w\" sizes=\"(max-width: 763px) 100vw, 763px\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19595\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-7.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 v 7\" width=\"758\" height=\"389\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-7.png 758w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-v-7-300x154.png 300w\" sizes=\"(max-width: 758px) 100vw, 758px\" \/><\/p>\n<h3><a id=\"Lesson_7.1_Hundreds\"><\/a>Lesson 7.1 Hundreds<\/h3>\n<p><strong>Explore and Grow<br \/>\n<\/strong>How many unit cubes and rods are in a flat?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19574\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-1.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 1\" width=\"365\" height=\"644\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-1.png 365w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-1-170x300.png 170w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><br \/>\nAnswer: 100 cubes and 10 rods<br \/>\nExplanation<br \/>\nGiven that, For counting cubes, should count all the rows and columns. By counting all the boxes there are<br \/>\n10 rows and 10 columns= 100 cubes To find out the rods count only the columns, by counting columns there are 10 rods.<br \/>\n<strong>Show and Grow<br \/>\n<\/strong><strong>Write how many tens. Circle groups of 10 tens. Write how many hundreds. Then write the number.<\/strong><br \/>\nQuestion 1.<br \/>\n<img src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-2.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 2\" \/><br \/>\n______ tens<br \/>\n______ hundred<br \/>\n______<br \/>\nAnswer: 20 tens &amp; 2 hundred (200)<br \/>\nExplanation<br \/>\nGiven that 20 tens are there by circling 10 tens<br \/>\nFor counting tens, count columns and for counting hundreds count all the boxes.<br \/>\nQuestion 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19576\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-3.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 3\" width=\"337\" height=\"134\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-3.png 337w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-3-300x119.png 300w\" sizes=\"(max-width: 337px) 100vw, 337px\" \/><br \/>\n______ tens<br \/>\n______ hundred<br \/>\n______<br \/>\nAnswer: 40 tens &amp; 4 hundred (400)<br \/>\nExplanation<br \/>\nGiven that 40 tens are there by circling 10 tens<br \/>\nFor counting tens, count columns and for counting hundreds count all the boxes.<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p><strong>Write how many tens. Circle groups of 10 tens. Write how many hundreds. Then write the number.<\/strong><br \/>\nQuestion 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19577\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-4.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 4\" width=\"335\" height=\"129\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-4.png 335w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-4-300x116.png 300w\" sizes=\"(max-width: 335px) 100vw, 335px\" \/><br \/>\n______ tens<br \/>\n______ hundred<br \/>\n______<br \/>\nAnswer: 30 tens &amp;\u00a0 3 hundreds (300)<br \/>\nExplanation<br \/>\nGiven that 30 tens are there by circling 10 tens<br \/>\nfor counting tens, count columns and for counting hundreds count all the boxes.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19578\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-5.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 5\" width=\"345\" height=\"187\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-5.png 345w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-5-300x163.png 300w\" sizes=\"(max-width: 345px) 100vw, 345px\" \/><br \/>\n______ tens<br \/>\n______ hundred<br \/>\n______<br \/>\nAnswer: 60 tens &amp; 6 hundreds<br \/>\nExplanation<br \/>\nGiven that 60 tens are there by circling 10 tens.<br \/>\nfor counting tens, count columns and for counting hundreds count all the boxes.<\/p>\n<p>Question 5.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nHow many hundreds are in 700? How many tens?<br \/>\n_____ hundreds<br \/>\n______ tens<br \/>\nAnswer: 7 hundreds are in 700 and 70 tens are in 700.<br \/>\nExplanation<br \/>\nthere are 7 hundreds in 700 and 70 tens in 700. 10 tens gives\u00a0 1 hundreds totally there are 70 tens is 700.<\/p>\n<p>Question 6.<br \/>\nYou have 80 bags of crayons. There are 10 crayons in each bag. How many crayons do you have in all?<br \/>\n_____ crayons<br \/>\nAnswer: 800 crayons<br \/>\nExplanation<br \/>\nGiven that, There are 80 bags of crayons each bags contains 10 crayons.10 x 80=800 ( 10 crayons in each bags x 80 totally bags = 800 )<br \/>\nThus, There are 800 crayons do we have in all.<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>A store sells oranges in bags of 10. The store sells 500 oranges. How many bags do they sell?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19579\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-6.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 6\" width=\"106\" height=\"112\" \/><br \/>\nMake a quick sketch:<br \/>\n_____ bags<br \/>\nAnswer: 50 bags<br \/>\nExplanation<br \/>\nGiven that, The store sells 500 oranges each bags contains 10 oranges.10 X 50 = 500\u00a0 (10 oranges in each bags x 50 bags = 500 oranges)<br \/>\nThus, The store sell the 50 bags of oranges.<\/p>\n<p>Question 7.<br \/>\nA store sells bottles of glitter glue in boxes of 10. The store sells 600 bottles. How many boxes do they sell?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19580\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-7.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 7\" width=\"166\" height=\"78\" \/><br \/>\n_____ boxes<br \/>\nAnswer:\u00a0 60 boxes<br \/>\nExplanation<br \/>\nGiven that, The store sells 600 bottles of glitter glue each boxes contains 10 glitter glue bottles.<br \/>\n10 X 60 = 600\u00a0 (10 bottle of glitter glue in each boxes x 60 boxes = 600 bottles of glitter glue)<br \/>\nThus, The store sell the 60 boxes of glitter glue.<\/p>\n<p>Question 8.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nYou have 10 packages of invitations. Each package has 10 invitations. You need 300 invitations. How many more packages do you need?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19581\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-8.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 8\" width=\"165\" height=\"134\" \/><br \/>\n_____ more packages<br \/>\nAnswer: 30 packages<br \/>\nExplanation<br \/>\nGiven that, There are 10 packages of invitations each packages has 10 invitations you needed 300 invitations<br \/>\n10 x 30 = 300 (10 invitations of\u00a0 packages x 30 packages = 300 invitations)<br \/>\nThus, 30 packages of invitations are needed.<\/p>\n<h3><a id=\"Hundreds_Homework_&amp;_Practice_7.1\"><\/a>Hundreds Homework &amp; Practice 7.1<\/h3>\n<p><strong>Write how many tens. Circle groups of 10 tens. Write how many hundreds. Then write the number.<\/strong><br \/>\nQuestion 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19582\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-9.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 9\" width=\"341\" height=\"196\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-9.png 341w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-9-300x172.png 300w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/><br \/>\n_____ tens<br \/>\n______ hundreds<br \/>\n______<br \/>\nAnswer: 50 tens &amp; 5 hundreds.<br \/>\nExplanation<br \/>\nGiven that 50 tens are there by circling 10 tens<br \/>\nFor counting tens, count columns and for counting hundreds count all the boxes.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19583\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-10.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 10\" width=\"338\" height=\"250\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-10.png 338w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-10-300x222.png 300w\" sizes=\"(max-width: 338px) 100vw, 338px\" \/><br \/>\n_____ tens<br \/>\n______ hundreds<br \/>\n______<br \/>\nAnswer: 80 tens &amp; 8 hundreds<br \/>\nExplanation<br \/>\nGiven that 80 tens are there by circling 10 tens<br \/>\nFor counting tens, count columns and for counting hundreds count all the boxes.<\/p>\n<p>Question 3.<br \/>\n<strong>Which One Doesn\u2019t Belong?<\/strong><br \/>\nWhich does not belong with the other three?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19584\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-11.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 11\" width=\"416\" height=\"72\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-11.png 416w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-11-300x52.png 300w\" sizes=\"(max-width: 416px) 100vw, 416px\" \/><br \/>\nAnswer: 70<\/p>\n<p>Question 4.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nA class has 30 boxes of pencils. Each box has 10 pencils. The class needs 600 pencils. How many more boxes does the class need?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19585\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-12.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 12\" width=\"173\" height=\"122\" \/><br \/>\n______ boxes<br \/>\nAnswer: 30 boxes<br \/>\nExplanation<br \/>\nGiven that, the class has 30 boxes of pencils each boxes contains 10 pencils. The class needs 600 pencils.<br \/>\n10 x 60 (30 +30)=600 <strong>(<\/strong>10 Pencils in each boxes X 60 boxes (30 boxes which you have + 30 boxes of pencils you need)= 600 pencils<strong>)<br \/>\n<\/strong>Thus, the class needs another 30 boxes.<\/p>\n<p>Question 5.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nYou have 10 packages of cards. Each package has 10 cards. You need 200 cards. How many more packages do you need?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19586\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-13.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 13\" width=\"129\" height=\"107\" \/><br \/>\n______ more packages<br \/>\nAnswer: 10 package<br \/>\nExplanation<br \/>\nGiven that, 10 packages of cards each packages contains 10 cards, you need 200 cards<br \/>\n10 x 20= 200 <strong>(<\/strong>10 cards in each packages X 20 packages of cards (10 packages which you have+10 packages you needed) =200 cards<strong>)<br \/>\n<\/strong>Thus, you need another 10 packages of cards.<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19587\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-14.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 14\" width=\"103\" height=\"91\" \/><br \/>\nAnswer: 99<\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19588\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.1-15.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.1 15\" width=\"100\" height=\"93\" \/><br \/>\nAnswer: 75<\/p>\n<h3><a id=\"Lesson_7.2_Model_Numbers_to_1,000\"><\/a>Lesson 7.2 Model Numbers to 1,000<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Model the number. Make a quick sketch to match.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19596\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-1.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 1\" width=\"339\" height=\"379\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-1.png 339w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-1-268x300.png 268w\" sizes=\"(max-width: 339px) 100vw, 339px\" \/><br \/>\nAnswer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-43804\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-2-300x41.jpg\" alt=\"Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-2\" width=\"300\" height=\"41\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-2-300x41.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-2.jpg 511w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19597\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-2.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 2\" width=\"528\" height=\"180\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-2.png 528w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-2-300x102.png 300w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/><br \/>\n______ hundreds, _______ tens, and ______ ones is ______.<br \/>\nAnswer: 7 hundreds, 4 tens and 5 ones is 745<br \/>\nExplanation<br \/>\nThere are 7 unit of cubes each unit of cubes contains 10 tens which gives 700(10 tens in one unit of cubes x 70 tens in the whole unit of cubes = 700)<br \/>\nand there are 4 rod each contains 10 cubes that gives 4 tens is 40 and plus the ones 5 is 745.<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19598\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-3.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 3\" width=\"594\" height=\"110\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-3.png 594w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-3-300x56.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><br \/>\n______ hundreds, _______ tens, and ______ ones is ______.<br \/>\nAnswer: 4 hundreds, 6 tens and 3 ones is 463.<br \/>\nExplanation<br \/>\nThere are 4 unit of cubes each unit of cubes contains 10 tens which gives 400(10 tens in one unit of cubes x 40 tens in the whole unit of cubes = 400)<br \/>\nand there are 6 rod each contains 10 cubes that gives 6 tens is 60 and plus the ones 3 is 463.<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19599\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-4.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 4\" width=\"593\" height=\"103\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-4.png 593w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-4-300x52.png 300w\" sizes=\"(max-width: 593px) 100vw, 593px\" \/><br \/>\n______ hundreds, _______ tens, and ______ ones is ______.<br \/>\nAnswer: 6 hundreds, 0 tens and 9 ones is 609.<br \/>\nExplanation<br \/>\nThere are 6 unit of cubes each unit of cubes contains 10 tens which gives 600(10 tens in one unit of cubes x 70 tens in the whole unit of cubes = 700)<br \/>\nThe place value\u00a0of 0 (0 x 10 tens = 0) and plus the ones 9 is 609.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19600\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-5.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 5\" width=\"230\" height=\"78\" \/><br \/>\n______ hundreds, _______ tens, and ______ ones is ______.<br \/>\nAnswer: 3 hundreds, 4 tens and 6 ones is 346.<br \/>\nExplanation<br \/>\nThere are 3 unit of cubes each unit of cubes contains 10 tens which gives 300(10 tens in one unit of cubes x 30 tens in the whole unit of cubes = 300)<br \/>\nand there are 4 rod each contains 10 cubes that gives 4 tens is 40 and plus the ones 6 is 346.<\/p>\n<p>Question 5.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nWhat number is Newton thinking about?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19601\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-6.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 6\" width=\"228\" height=\"258\" \/><br \/>\nAnswer:58<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>You buy the markers shown. How many markers do you buy?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19602\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-7.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 7\" width=\"486\" height=\"100\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-7.png 486w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-7-300x62.png 300w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/><br \/>\nWrite the missing numbers:<br \/>\n_______ hundreds, _______ tens, and ______ ones<br \/>\n_______ markers<br \/>\nAnswer: 3 hundreds, 2 tens and 4 ones is 324 markers.<br \/>\nExplanation<br \/>\nThe above images shows that 3 packs of 100 markers(100+100+100=300) 2 packs of 10 markers(10+10=20) with additional of 4 markers, that gives<br \/>\n(300+20+4=324)Totally 324 markers you buy.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 6.<br \/>\nYou buy the balloons shown. How many balloons do you buy?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19603\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-8.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 8\" width=\"541\" height=\"203\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-8.png 541w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-8-300x113.png 300w\" sizes=\"(max-width: 541px) 100vw, 541px\" \/><br \/>\n______ balloons<br \/>\nAnswer:\u00a0 570 balloons<br \/>\nExplanation<br \/>\nThe above images shows that 5 packs of 100 balloons(100+100+100+100+100= 500) 7 packs of 10 balloons(10+10+10+10+10+10+10=70),<br \/>\nthat gives ( 500+70=570)Totally 570 balloons you buy.<\/p>\n<h3><a id=\"Model_Numbers_to_1,000_Homework_&amp;_Practice_7.2\"><\/a>Model Numbers to 1,000 Homework &amp; Practice 7.2<\/h3>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19604\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-9.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 9\" width=\"594\" height=\"109\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-9.png 594w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-9-300x55.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><br \/>\n______ hundreds, _______ tens, and ______ ones is ______.<br \/>\nAnswer: 4 hundreds,7 tens 2 ones is 472<br \/>\nExplanation<br \/>\nThere are 4 unit of cubes each unit of cubes contains 10 tens which gives 400(10 tens x 40 tens of whole cubes =400)<br \/>\nThere are 7 rod gives you a 7 tens is 70 and plus 2 ones is 472.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19605\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-10.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 10\" width=\"596\" height=\"114\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-10.png 596w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-10-300x57.png 300w\" sizes=\"(max-width: 596px) 100vw, 596px\" \/><br \/>\n______ hundreds, _______ tens, and ______ ones is ______.<br \/>\nAnswer: 7 hundreds 4 tens 0 ones is 740.<br \/>\nExplanation<br \/>\nThere are 7 unit of cubes each unit of cubes contains 10 tens which gives 700(10 tens in one unit of cubes x 70 tens in the whole unit of cubes = 700)<br \/>\nand there are 4 rod each contains 10 cubes that gives 4 tens is 40 and plus the ones place above picture there were no ones 0 is 740<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19606\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-11.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 11\" width=\"296\" height=\"64\" \/><br \/>\n______ hundreds, _______ tens, and ______ ones is ______.<br \/>\nAnswer: 2 hundreds 8 tens and 6 ones is 286.<br \/>\nExplanation<br \/>\nThere are 2 unit of cubes each unit of cubes contains 10 tens which gives you 200 (10 tens in one unit of cubes x 20 tens in the whole unit of cubes = 200) and there are 8 rod each contains 10 cubes that gives 8 tens is 80 and plus the ones 6 is 286.<\/p>\n<p>Question 4.<br \/>\n<strong>YOU BE THE TEACHER<\/strong><br \/>\nYour friend writes 8 hundreds and 3 ones as 83. Is your friend correct? Explain.<br \/>\n_________________________<br \/>\n_________________________<br \/>\nAnswer:\u00a0 No, 8 is tens and 3 is ones as 83.<br \/>\nExplanation<br \/>\nThe first digit is the tens place it tells you that there are 8 tens in the number 83. The next digit is the ones place which is 3.<br \/>\nTherefore there are 8 sets of 10 tens and plus 3 ones in the number 83.<\/p>\n<p>Question 5.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nYou buy the stickers shown. How many stickers do you buy?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19607\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-12.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 12\" width=\"601\" height=\"137\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-12.png 601w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-12-300x68.png 300w\" sizes=\"(max-width: 601px) 100vw, 601px\" \/><br \/>\n______ stickers<br \/>\nAnswer: 620 stickers<br \/>\nExplanation<br \/>\nGiven that, There are 6 packs of stickers each contains 100 stickers that is (100+100+100+100+100+100=600<br \/>\nand 2 packs of stickers each contains 10 stickers that is (10+10= 20) Therefore 600 +20= 620<br \/>\nThus, 620 sticker you buy.<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19608\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-13.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 13\" width=\"104\" height=\"115\" \/><br \/>\nAnswer: 82<\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19609\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-14.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 14\" width=\"109\" height=\"117\" \/><br \/>\nAnswer: 83<\/p>\n<p>Question 8.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19610\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-7.2-15.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 7.2 15\" width=\"103\" height=\"127\" \/><br \/>\nAnswer: 71<\/p>\n<h3><a id=\"Lesson_7.3_Understand_Place_Value\"><\/a>Lesson 7.3 Understand Place Value<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Make quick sketches to model each number.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19612\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-1.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 1\" width=\"537\" height=\"486\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-1.png 537w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-1-300x272.png 300w\" sizes=\"(max-width: 537px) 100vw, 537px\" \/><br \/>\nWhat do you notice about the numbers?<br \/>\n_________________________<br \/>\n_________________________<br \/>\nAnswer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-43806\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-1-300x272.jpg\" alt=\"Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-1\" width=\"300\" height=\"272\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-1-300x272.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-1.jpg 537w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Circle the value of the underlined digit.<br \/>\nQuestion 1.<br \/>\n48<span style=\"text-decoration: underline;\">3<\/span><br \/>\n300<br \/>\n30<br \/>\n3<br \/>\nAnswer: 3<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 483. A number can have many digits and each<br \/>\ndigit has a special place and value. the 8 is in ones place and its place value is 8.<\/p>\n<p>Question 2.<br \/>\n7<span style=\"text-decoration: underline;\">9<\/span>1<br \/>\n9 hundreds<br \/>\n9 tens<br \/>\n9 ones<br \/>\nAnswer: 9 tens<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 791. A number can have many digits and each<br \/>\ndigit has a special place and value. the second digit at tens place. The 9 is in tens place value is 90.<br \/>\nQuestion 3.<br \/>\n<span style=\"text-decoration: underline;\">6<\/span>12<br \/>\n6<br \/>\n60<br \/>\n600<br \/>\nAnswer: 600<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 612. A number can have many digits and each<br \/>\ndigit has a special place and value. the first digit at hundreds place. The 6 is in hundreds place value is 600.<\/p>\n<p>Question 4.<br \/>\n5<span style=\"text-decoration: underline;\">7<\/span>8<br \/>\n7 hundreds<br \/>\n7 tens<br \/>\n7 ones<br \/>\nAnswer: 7 tens<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 578. A number can have many digits and each<br \/>\ndigit has a special place and value. the second digit at tens place. The 7 is in tens place value is 70.<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p><strong>Circle the value of the underlined digit.<\/strong><br \/>\nQuestion 5.<br \/>\n<span style=\"text-decoration: underline;\">3<\/span>54<br \/>\n300<br \/>\n30<br \/>\n3<br \/>\nAnswer: 300<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 354. A number can have many digits and each<br \/>\ndigit has a special place and value. the first digit at hundreds place. The 3 is in hundreds place value is 300.<\/p>\n<p>Question 6.<br \/>\n7<span style=\"text-decoration: underline;\">2<\/span>6<br \/>\n2 hundreds<br \/>\n2 tens<br \/>\n2 ones<br \/>\nAnswer: 2 tens<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 726. A number can have many digits and each<br \/>\ndigit has a special place and value. the second digit at tens place. The 2 is in tens place value is 20.<\/p>\n<p>Question 7.<br \/>\n59<span style=\"text-decoration: underline;\">4<\/span><br \/>\n4<br \/>\n40<br \/>\n400<br \/>\nAnswer: 4<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 594. A number can have many digits and each<br \/>\ndigit has a special place and value. the 4 is in ones place and its place value is 4.<\/p>\n<p>Question 8.<br \/>\n47<span style=\"text-decoration: underline;\">5<\/span><br \/>\n5 hundreds<br \/>\n50<br \/>\n5 ones<br \/>\nAnswer: 5 ones<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 475. A number can have many digits and each<br \/>\ndigit has a special place and value. the 5 is in ones place and its place value is 5.<\/p>\n<p><strong>Circle the values of the underlined digit.<\/strong><br \/>\nQuestion 9.<br \/>\n6<span style=\"text-decoration: underline;\">3<\/span>9<br \/>\n3 tens<br \/>\n300<br \/>\n30<br \/>\nAnswer: 3 tens<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 639. A number can have many digits and each<br \/>\ndigit has a special place and value. the second digit at tens place. The 3 is in tens place value is 30.<\/p>\n<p>Question 10.<br \/>\n<span style=\"text-decoration: underline;\">8<\/span>72<br \/>\n8 hundreds<br \/>\n80<br \/>\n800<br \/>\nAnswer: 8 hundreds<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 872. A number can have many digits and each<br \/>\ndigit has a special place and value. the first digit at hundreds place. The 8 is in hundreds place value is 800.<\/p>\n<p>Question 11.<br \/>\n<strong>Number Sense<\/strong><br \/>\nWrite the number that has the following values.<br \/>\nThe tens digit has a value of 40.<br \/>\nThe ones digit has a value of 2.<br \/>\nThe hundreds digit has a value of 600. ______<br \/>\nAnswer: 642<br \/>\nExplanation<br \/>\nThe combination of hundreds, tens, ones of 600, 40, 2 respectively.<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>How many points is one ball worth in each bucket?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19613\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-2.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 2\" width=\"243\" height=\"165\" \/><br \/>\nWrite the score:<br \/>\n______ hundreds, ______ tens, and _______ ones<br \/>\nBlue bucket: ______ points<br \/>\nYellow bucket: _____ point<br \/>\nRed bucket: ______ points<br \/>\nAnswer: Blue bucket 3 points,yellow bucket 4 points and red bucket 5 points<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 12.<br \/>\nHow many points is one ring worth on each peg?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19614\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-3.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 3\" width=\"202\" height=\"167\" \/><br \/>\nGreen peg: ______ points<br \/>\nBlue peg: _______ point<br \/>\nPurple peg: ______ points<br \/>\nAnswer:<br \/>\nGreen peg: 1 points<br \/>\nBlue peg: 3 point<br \/>\nPurple peg: 2 points<\/p>\n<h3><a id=\"Understand_Place_Value_Homework_&amp;_Practice_7.3\"><\/a>Understand Place Value Homework &amp; Practice 7.3<\/h3>\n<p><strong>Circle the value of the underlined digit.<\/strong><br \/>\nQuestion 1.<br \/>\n<span style=\"text-decoration: underline;\">5<\/span>23<br \/>\n500<br \/>\n50<br \/>\n5<br \/>\nAnswer: 500<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 523. A number can have many digits and each<br \/>\ndigit has a special place and value. the first digit at hundreds place. The 5 is in hundreds place value is 500.<\/p>\n<p>Question 2.<br \/>\n73<span style=\"text-decoration: underline;\">8<\/span><br \/>\n8 hundreds<br \/>\n8 ones<br \/>\n8 tens<br \/>\nAnswer: 8 ones<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 738. A number can have many digits and each<br \/>\ndigit has a special place and value. the 8 is in ones place and its place value is 8.<\/p>\n<p>Question 3.<br \/>\n3<span style=\"text-decoration: underline;\">6<\/span>4<br \/>\n60<br \/>\n6 ones<br \/>\n6 hundreds<br \/>\nAnswer: 60<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 364. A number can have many digits and each<br \/>\ndigit has a special place and value. the second digit at tens place. The 6 is in tens place value is 60.<\/p>\n<p><strong>Circle the values of the underlined digit.<\/strong><br \/>\nQuestion 4.<br \/>\n43<span style=\"text-decoration: underline;\">4<\/span><br \/>\n4<br \/>\n4 ones<br \/>\n4 hundreds<br \/>\nAnswer: 4 ones<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 434. A number can have many digits and each<br \/>\ndigit has a special place and value. the 4 is in ones place and its place value is 4.<\/p>\n<p>Question 5.<br \/>\n9<span style=\"text-decoration: underline;\">2<\/span>0<br \/>\n2<br \/>\n2 tens<br \/>\n20<br \/>\nAnswer: 2 tens<br \/>\nExplanation<br \/>\nGiven that there are 3 digit number which is 920. A number can have many digits and each<br \/>\ndigit has a special place and value. the second digit at tens place. The 2 is in tens place value is 20.<\/p>\n<p>Question 6.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nWrite the number that matches the clues.<br \/>\nThe value of the hundreds digit is 800.<br \/>\nThe value of the tens digit is 10 less than 70.<br \/>\nThe value of the ones digit is an even number greater than 7.<br \/>\n_________<br \/>\nAnswer:<br \/>\ni. 8<br \/>\n80<br \/>\n8<\/p>\n<p>Question 7.<br \/>\n<strong>Structure<\/strong><br \/>\nWrite each number in the correct circle.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19615\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-4.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 4\" width=\"626\" height=\"194\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-4.png 626w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-4-300x93.png 300w\" sizes=\"(max-width: 626px) 100vw, 626px\" \/><br \/>\nAnswer:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-44022\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-4-300x93.jpg\" alt=\"Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-4\" width=\"300\" height=\"93\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-4-300x93.jpg 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-4.jpg 626w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Question 8.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nHow many points is one ball worth in each hoop?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19616\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-5.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 5\" width=\"193\" height=\"175\" \/><br \/>\nBlue hoop: ______ points<br \/>\nOrange hoop: _______ points<br \/>\nRed hoop: _______ point<br \/>\nAnswer:<br \/>\nBlue hoop: 4 points<br \/>\nOrange hoop: 2 points<br \/>\nRed hoop: 5 points<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 9.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19617\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-6.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 6\" width=\"112\" height=\"82\" \/><br \/>\nAnswer: 19<\/p>\n<p>Question 10.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19618\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-7.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 7\" width=\"101\" height=\"95\" \/><br \/>\nAnswer: 42<\/p>\n<p>Question 11.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19619\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.3-8.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 7 Understand Place Value to 1,000 7.3 8\" width=\"103\" height=\"91\" \/><br \/>\nAnswer: 38<\/p>\n<h3><a id=\"Lesson_7.4_Write_Three_Digit_Numbers\"><\/a>Lesson 7.4 Write Three-Digit Numbers<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Identify the value of the base ten blocks.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19620\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 1\" width=\"550\" height=\"241\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-1.png 550w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-1-300x131.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><br \/>\nWhat is the total value of the base ten blocks? ________<\/p>\n<p>How can you write the value of the base ten blocks as an equation?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19621\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-2.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 2\" width=\"368\" height=\"65\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-2.png 368w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-2-300x53.png 300w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><br \/>\nAnswer:<br \/>\nStandard Form is 246<br \/>\nExpanded Form is 200 + 40 + 6 = 246<br \/>\nWord Form is Two Hundred and Forty Six<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p><strong>Write the number in standard form, expanded form, and word form.<\/strong><br \/>\nQuestion 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19622\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-3.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 3\" width=\"299\" height=\"207\" \/><br \/>\nAnswer: Standard form 528,<br \/>\nExpanded form 500+20+8,<br \/>\nWord form Five Hundred Twenty Eight.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19623\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-4.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 4\" width=\"321\" height=\"201\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-4.png 321w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-4-300x188.png 300w\" sizes=\"(max-width: 321px) 100vw, 321px\" \/><br \/>\nAnswer: Standard form 709,<br \/>\nExpanded form 700+9,<br \/>\nWord form Seven Hundred Nine.<\/p>\n<p><strong>Apply and Grow: Practice\u00a0<\/strong><\/p>\n<p><strong>Write the number in expanded form and word form.<\/strong><br \/>\nQuestion 3.<br \/>\n837<br \/>\n_____ + _____ + _____<br \/>\n______________<br \/>\nAnswer: 800+30+7 and Eight hundred thirty seven<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (800+30+7)<br \/>\nIn Word form write the number by using words but no numbers (Eight hundred thirty seven)<br \/>\nQuestion 4.<br \/>\n954<br \/>\n_____ + _____ + ______<br \/>\n_____________<br \/>\nAnswer:900+50+4 and Nine hundred fifty four<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (900+50+4)<br \/>\nIn Word form write the number by using words but no numbers ( Nine hundred fifty four)<br \/>\n<strong>Write the number in standard form and word form.<\/strong><br \/>\nQuestion 5.<br \/>\n500 + 60<br \/>\n______<br \/>\n__________<br \/>\nAnswer: 560 and Five hundred sixty<br \/>\nExplanation<br \/>\nIn standard form, numbers are written using only numbers. There are no words (560)<br \/>\nIn Word form write the number by using words but no numbers ( Nine hundred fifty four)<br \/>\nQuestion 6.<br \/>\n700 + 20 + 1<br \/>\n_____<br \/>\n____________<br \/>\nAnswer:721 and Seven hundred twenty one<br \/>\nExplanation<br \/>\nIn standard form, numbers are written using only numbers. There are no words (721)<br \/>\nIn Word form write the number by using words but no numbers ( Seven hundred twenty one)<\/p>\n<p><strong>Write the number in expanded form and standard form.<\/strong><br \/>\nQuestion 7.<br \/>\nsix hundred seventy-four<br \/>\n_____ + ______ + ______<br \/>\n__________<br \/>\nAnswer: 600+70+4 and 674<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (600+70+4)<br \/>\nIn standard form, numbers are written using only numbers. There are no words (674)<br \/>\nQuestion 8.<br \/>\nfour hundred seven<br \/>\n_____ + ______ + ______<br \/>\n__________<br \/>\nAnswer: 400+7 and 407<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (400+7)<br \/>\nIn standard form, numbers are written using only numbers. There are no words (407)<br \/>\nQuestion 9.<br \/>\n<strong>Structure<\/strong><br \/>\nWhich number did Newton model?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19624\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-5.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 5\" width=\"523\" height=\"174\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-5.png 523w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-5-300x100.png 300w\" sizes=\"(max-width: 523px) 100vw, 523px\" \/><\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>There are 819 pets in a pet store. 800 are fish. 9 are cats. The rest are birds. How many birds are there?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19625\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-6.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 6\" width=\"168\" height=\"132\" \/><br \/>\nExpanded form:<br \/>\n_____ + _____ + ______<br \/>\n_____ birds<br \/>\nAnswer: 10 birds are there and 800+10+9<br \/>\nExplanation<br \/>\nGiven that, There are 819 pets in pets store<br \/>\n800 are fish, 9 are cats and rest<span style=\"font-size: 16px;\">\u00a0are birds.<br \/>\nThus,819 the right the first digit will be at ones place 9 is in ones place and its place value is 9 ,the second digit at tens place 1 is in tens place its place value is 10 and the third digit at hundreds place.8 is in hundreds place its place value is 800.<br \/>\n<\/span><\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 10.<br \/>\nThere are 21<br \/>\n7 flowers at a flower stand. 200 are roses. 7 are sunflowers. The rest are tulips. How many tulips are there?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19626\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-7.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 7\" width=\"181\" height=\"160\" \/><br \/>\n______ tulips<br \/>\nAnswer: 10 are tulips in flower stand.<br \/>\nExplanation<br \/>\nGiven that, There are 217 flowers in flowers stand<br \/>\n200 are roses, 7 are sunflowers and rest are tulips (200 &#8211; 7 = 10)<br \/>\nThus,10 are the tulips.<br \/>\nQuestion 11.<br \/>\nThere are 185 books at a book fair. 80 are chapter books. 5 are comic books. The rest are picture books. How many picture books are there?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19627\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-8.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 8\" width=\"174\" height=\"160\" \/><br \/>\n______ picture books<br \/>\nAnswer: 100 books are picture books.<br \/>\nExplanation<br \/>\nGiven that, 185 books are at book fair.<br \/>\n80 books are chapter books and 5 are comic books and rest books are picture books<br \/>\n(80 &#8211; 5 = 100)<br \/>\nThus, 100 books are picture books in book fair.<br \/>\nQuestion 12.<br \/>\nYou sell 326 candles. You sell 6 small candles. You sell 20 medium candles. The rest are large candles. How many large candles did you sell?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19628\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-9.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 9\" width=\"120\" height=\"86\" \/><br \/>\n______ large candles<br \/>\nAnswer: 300 are large candles<br \/>\nExplanation:<br \/>\nGiven that, 326 candles are sell by you,<br \/>\n6 are small candles and 20 are medium candles and rest are large candles<br \/>\n326-6(small candles)=320<br \/>\n320-20(medium candles)=300<br \/>\nThus,300 large candles are you sell.<br \/>\n<span style=\"font-size: 1.5em; font-weight: bold;\"><a id=\"Three_Digit_Numbers_Homework_&amp;_Practice_7.4\"><\/a>Three-Digit Numbers Homework &amp; Practice 7.4<\/span><\/p>\n<p><strong>Write the number in expanded form and word form.<\/strong><br \/>\nQuestion 1.<br \/>\n137<br \/>\n______ + _____ + _____<br \/>\n____________<br \/>\nAnswer: 100+30+7 and One hundred thirty seven.<br \/>\nExplanation:<br \/>\nIn expanded form, write the number by showing the value of each digit (100+30+7)<br \/>\nIn Word form write the number by using words but no numbers ( One hundred twenty four)<br \/>\nQuestion 2.<br \/>\n280<br \/>\n_____ + _____ + ______<br \/>\n___________<br \/>\nAnswer: 200+80 and Two hundred eighty<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (200+80)<br \/>\nIn Word form write the number by using words but no numbers ( Two hundred eighty )<br \/>\n<strong>Write the number in standard form and word form.<\/strong><br \/>\nQuestion 3.<br \/>\n600 + 10 + 5 ______<br \/>\n___________<br \/>\nAnswer:\u00a0 615 and Six hundred fifteen<br \/>\nExplanation<br \/>\nIn standard form, numbers are written using only numbers. There are no words (615)<br \/>\nIn Word form write the number by using words but no numbers ( Six hundred fifteen )<br \/>\nQuestion 4.<br \/>\n900 + 70 + 6 _____<br \/>\n___________<br \/>\nAnswer: 976 and Nine hundred seventy six<br \/>\nIn standard form, numbers are written using only numbers. There are no words (976)<br \/>\nIn Word form write the number by using words but no numbers ( Nine hundred seventy six )<br \/>\n<strong>Write the number in expanded form and standard form.<\/strong><br \/>\nQuestion 5.<br \/>\nthree hundred nine<br \/>\n_____ + ______ + _____<br \/>\n______<br \/>\nAnswer: 300+9 and 309<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (300+9)<br \/>\nIn standard form, numbers are written using only numbers. There are no words (309)<br \/>\nQuestion 6.<br \/>\neight hundred sixty-two<br \/>\n_____ + ______ + ______<br \/>\n_______<br \/>\nAnswer: 800+60+2 and 862<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (800+60+2)<br \/>\nIn standard form, numbers are written using only numbers. There are no words (862))<br \/>\nQuestion 7.<br \/>\n<strong>Which One Doesn\u2019t Belong?<\/strong><br \/>\nWhich does not belong with the other three?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19629\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-10.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 10\" width=\"478\" height=\"105\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-10.png 478w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-10-300x66.png 300w\" sizes=\"(max-width: 478px) 100vw, 478px\" \/><br \/>\nAnswer: 1 + 9 + 6 does not belong to the other three.<\/p>\n<p>Question 8.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nA number has 7 hundreds. The tens digit is 5 less than the hundreds digit. The ones digit is 2 more than the hundreds digit. What is the number?<br \/>\n______<br \/>\nAnswer: 729<br \/>\nExplanation<br \/>\ngiven that, a number has 7 hundred<br \/>\nThe tens digit is 5 less than hundreds digit<\/p>\n<p>Question 9.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nThere are 438 vegetables planted. 400 are carrots. 8 are beets. The rest are onions. How many onions are there?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19630\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-11.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 11\" width=\"141\" height=\"109\" \/><br \/>\n______ onions<br \/>\nAnswer: 30 onions are there<br \/>\nExplanation<br \/>\nAs per the statement, There are 438 vegetables are planted<br \/>\n400 are carrot (438-400=38)<br \/>\n8 are beets (38 &#8211; 8=30)<br \/>\nThus, the Remaining 30 are onions.<\/p>\n<p>Question 10.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nThere are 593 students in after-school programs. 3 students take dance class. 90 students take art class. The rest take karate class. How many students take karate class?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19631\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.4-12.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 7 Understand Place Value to 1,000 7.4 12\" width=\"127\" height=\"129\" \/><br \/>\n______ students<br \/>\nAnswer: 500 students are in karate class.<br \/>\nExplanation:<br \/>\nAs per statements, Totally there are 593 students<br \/>\n3 students are in dance class (593-3=590)<br \/>\n90 students are in art class (590-90=500)<br \/>\nThus, the Remaining 500 students are in karate class.<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 11.<br \/>\nFind the sum. Then change the order of the addends. Write the new equation.<br \/>\n4 + 7 = ______<br \/>\n_____ + _____ = ______<br \/>\nAnswer: 11<\/p>\n<h3><a id=\"Lesson_7.5_Represent_Numbers_in_Different_Ways\"><\/a>Lesson 7.5 Represent Numbers in Different Ways<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Circle the models that show each number.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19632\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-1.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 1\" width=\"524\" height=\"625\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-1.png 524w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-1-252x300.png 252w\" sizes=\"(max-width: 524px) 100vw, 524px\" \/><br \/>\nAnswer:<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\nShow 261 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19633\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-2.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 2\" width=\"286\" height=\"212\" \/><br \/>\nAnswer:<\/p>\n<p>Question 2.<br \/>\nShow 345 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19634\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-3.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 3\" width=\"282\" height=\"219\" \/><br \/>\nAnswer:<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Question 3.<br \/>\nShow 432 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19635\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-4.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 4\" width=\"277\" height=\"236\" \/><br \/>\nAnswer:<\/p>\n<p>Question 4.<br \/>\nShow 527 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19636\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-5.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 5\" width=\"278\" height=\"238\" \/><br \/>\nAnswer:<\/p>\n<p>Question 5.<br \/>\n<strong>YOU BE THE TEACHER<\/strong><br \/>\nYour friend says that 800 + 40 + 11 is the same as 800 + 50 +1. Is your friend correct? Explain.<br \/>\n_________________________<br \/>\n__________________________<br \/>\nAnswer:<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>The models show how many dinosaur toys you and your friend have. Does your friend have the same number of dinosaur toys as you? Explain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19637\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-6.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 6\" width=\"165\" height=\"96\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19638\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-7.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 7\" width=\"534\" height=\"148\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-7.png 534w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-7-300x83.png 300w\" sizes=\"(max-width: 534px) 100vw, 534px\" \/><br \/>\n_________________________<br \/>\n__________________________<br \/>\nAnswer:<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 6.<br \/>\nThe models show how many trading cards you and your friend have. Does your friend have the same number of trading cards as you? Explain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19639\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-8.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 8\" width=\"602\" height=\"273\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-8.png 602w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-8-300x136.png 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><br \/>\n______________________<br \/>\n______________________<br \/>\nAnswer:<\/p>\n<h3><a id=\"Represent_Numbers_in_Different_Ways_Homework_&amp;_Practice_7.5\"><\/a>Represent Numbers in Different Ways Homework &amp; Practice 7.5<\/h3>\n<p>Question 1.<br \/>\nShow 134 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19640\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-9.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 9\" width=\"281\" height=\"213\" \/><br \/>\nAnswer:<\/p>\n<p>Question 2.<br \/>\nShow 319 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19641\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-10.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 10\" width=\"277\" height=\"215\" \/><br \/>\nAnswer:<\/p>\n<p>Question 3.<br \/>\n<strong>Number Sense<\/strong><br \/>\nWhich ways show 948?<br \/>\n8 hundreds, 4 tens, and 8 ones<br \/>\n9 hundreds, 4 tens, and 8 ones<br \/>\n8 hundreds, 4 tens, and 9 ones<br \/>\n8 hundreds, 14 tens, and 9 ones<br \/>\n94 tens and 8 ones<br \/>\n948 ones<br \/>\nAnswer:<\/p>\n<p>Question 4.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nThe models show how many bouncy balls you and your friend have. Does your friend have the same number of bouncy balls as you? Explain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19642\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-11.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 7 Understand Place Value to 1,000 7.5 11\" width=\"612\" height=\"234\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-11.png 612w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-7-Understand-Place-Value-to-1000-7.5-11-300x115.png 300w\" sizes=\"(max-width: 612px) 100vw, 612px\" \/><br \/>\n________________________<br \/>\n__________________________<br \/>\nAnswer:<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 5.<br \/>\n70 + 30 = ______<br \/>\nAnswer: 100<\/p>\n<p>Question 6.<br \/>\n53 + 19 = _____<br \/>\nAnswer: 72<\/p>\n<p>Question 7.<br \/>\n90 \u2212 50 = _____<br \/>\nAnswer: 40<\/p>\n<p>Question 8.<br \/>\n64 \u2212 40 = _______<br \/>\nAnswer: 24<\/p>\n<h3><a id=\"Understand_Place_Value_to_1,000_Performance_Task\"><\/a>Understand Place Value to 1,000 Performance Task<\/h3>\n<p>You make trail mix using the sunflower seeds, almonds, and raisins shown.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19643\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-1.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 1\" width=\"622\" height=\"115\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-1.png 622w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-1-300x55.png 300w\" sizes=\"(max-width: 622px) 100vw, 622px\" \/><br \/>\nQuestion 1.<br \/>\nHow many sunflower seeds, almonds, and raisins do you use?<br \/>\n______ + _____ + _____<br \/>\n_____<br \/>\nAnswer: 400+ 30+ 5 is equal to 435.<br \/>\nExplanation<br \/>\nGiven that, 400 sunflower seeds, 30 almonds and 5 raisins\u00a0 for trail mix<br \/>\nthus, 400+30+5= 435<\/p>\n<p>Question 2.<br \/>\nYou add another bag of almonds and another bag of raisins to your trail mix. How many sunflower seeds, almonds, and raisins are there now?<br \/>\n_____ + _____ + _____<br \/>\n______<br \/>\nAnswer: 400+40+10= 450<br \/>\nExplanation<br \/>\nGiven that, 400 sunflower seeds, 30 of almonds add another bags of almonds is contains 10 totally 40 and 5 of raisins add another bags of raisins contains 5 totally 10 raisins.<br \/>\n400+40+10=450<\/p>\n<p>Question 3.<br \/>\nYour friend makes trail mix with 3 bags of sunflower seeds,13 bags of almonds, and 4 bags of raisins. Does your friend use the same number of ingredients as you? Explain.<br \/>\nYes No<br \/>\n__________________<br \/>\n___________________<br \/>\nAnswer: No, friend makes a trail mix with only 3 bags of sunflower 13 bags of almonds and 4 bag of raisins. The ingredients you used is 400 sunflower seeds,40 almonds bags and 10 raisins bags. Friend and your&#8217;s are not the same ingredients.<\/p>\n<h3><a id=\"Understand_Place_Value_to_1,000_Activity\"><\/a>Understand Place Value to 1,000 Activity<\/h3>\n<p><strong>Naming Numbers Flip and Find<\/strong><br \/>\n<strong>To Play:<\/strong> Place the Naming Numbers Flip and Find Cards face down in the boxes. Take turns flipping 2 cards. If your cards show the same number, keep the cards. If your cards show different numbers, \ufb02ip the cards back over. Play until all matches are made.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19644\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-2.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 2\" width=\"665\" height=\"735\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-2.png 665w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-2-271x300.png 271w\" sizes=\"(max-width: 665px) 100vw, 665px\" \/><\/p>\n<p><strong>7.1 Hundreds<\/strong><\/p>\n<p><strong>Write how many tens. Circle groups of 10 tens. Write how many hundreds. Then write the number.<\/strong><br \/>\nQuestion 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19646\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-1.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 chp 1\" width=\"337\" height=\"130\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-1.png 337w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-1-300x116.png 300w\" sizes=\"(max-width: 337px) 100vw, 337px\" \/><br \/>\n_____ tens<br \/>\n_______ hundreds<br \/>\n________<br \/>\nAnswer: 40 tens and 4 hundreds<br \/>\nExplanation<br \/>\nGiven that 40 tens are there by circling 10 tens<br \/>\nFor counting tens, count columns and for counting hundreds count all the boxes.<\/p>\n<p><span style=\"font-size: 16px;\">Question 2.<\/span><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-19647\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-2.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 chp 2\" width=\"341\" height=\"192\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-2.png 341w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-2-300x169.png 300w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/><br \/>\n_____ tens<br \/>\n_______ hundreds<br \/>\n________<br \/>\nAnswer:\u00a0 50 tens and 5 hundred<br \/>\nExplanation<br \/>\nGiven that 50 tens are there by circling 10 tens<br \/>\nFor counting tens, count columns and for counting hundreds count all the boxes.<\/p>\n<p><span style=\"font-size: 16px;\">Question 3.<\/span><\/p>\n<p><strong>Modeling Real Life<\/strong><br \/>\nA cafeteria has 80 bags of pretzels. Each bag has 10 pretzels. The cafeteria needs 900 pretzels. How many more bags does the cafeteria need?<br \/>\n______ more bags<br \/>\nAnswer: 10 bags<\/p>\n<p>Explanation:<br \/>\nGiven that, the cafeteria has 80 bags of pretzels\u00a0 each bags contains 10 pretzels, cafeteria needs 900 pretzels,<br \/>\n10 bags x 10 pretzels =100<br \/>\nThus 10 bags of pretzels needs for the cafeteria.<\/p>\n<p><strong>7.2 Model Numbers to 1,000<\/strong><\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19648\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-4.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 chp 4\" width=\"585\" height=\"113\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-4.png 585w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-4-300x58.png 300w\" sizes=\"(max-width: 585px) 100vw, 585px\" \/><br \/>\n______ hundreds, _____ tens, and _____ ones is ______.<br \/>\nAnswer:5 hundreds 2 tens, 5 ones is 525.<br \/>\nExplanation<br \/>\nThere are 5 unit of cubes each unit of cubes contains 10 tens which gives 500(10 tens in one unit of cubes x 50 tens in the whole unit of cubes = 500)<br \/>\nand there are 2 rod each contains 10 cubes that gives 2 tens is 20 and plus the ones 5 is 525.<\/p>\n<p>Question 5.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19649\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-5.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 chp 5\" width=\"581\" height=\"103\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-5.png 581w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-5-300x53.png 300w\" sizes=\"(max-width: 581px) 100vw, 581px\" \/><br \/>\n______ hundreds, _____ tens, and _____ ones is ______.<br \/>\nAnswer: 8 hundred,0 tens, and 3 ones is 803.<br \/>\nExplanation<br \/>\nThere are 8 unit of cubes each unit of cubes contains 10 tens which gives 800(10 tens in one unit of cubes x 80 tens in the whole unit of cubes = 800)<br \/>\nthe second digit at tens place 0 in the tens place and the right first digit is ones plus the ones 3 is 803.<\/p>\n<p>Question 6.<br \/>\n<strong>Number Sense<\/strong><br \/>\nWhat number is Descartes thinking about?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19650\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-6.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 chp 6\" width=\"228\" height=\"199\" \/><br \/>\n______<br \/>\nAnswer:425<br \/>\nExplanation<br \/>\nThe above answer represents that 4 hundreds is 400 and the second digit at tens place. The 2 is in tens place value is<br \/>\n20 and the right first digit is in ones place the 5 is in ones place value 5 is 425.<\/p>\n<p><strong>7.3 Understand Place Value<\/strong><\/p>\n<p><strong>Circle the value of the underlined digit<\/strong><br \/>\nQuestion 7.<br \/>\n4<span style=\"text-decoration: underline;\">2<\/span>9<br \/>\n200<br \/>\n2<br \/>\n2 tens<br \/>\nAnswer: 2 tens<br \/>\nExplanation<br \/>\nGiven that there is 3 digit number which is 429. A number can have many digits and each<br \/>\ndigit has a special place and value. the second digit at tens place. The 2 is in tens place value is 20.<br \/>\nQuestion 8.<br \/>\n<span style=\"text-decoration: underline;\">7<\/span>51<br \/>\n70<br \/>\n700<br \/>\n7 tens<br \/>\nAnswer: 700<br \/>\nExplanation<br \/>\nGiven that there is 3 digit number which is 751. A number can have many digits and each<br \/>\ndigit has a special place and value. the first digit at hundreds place. The 7 is in hundreds place value is 700<\/p>\n<p>Question 9.<br \/>\n<strong>Number Sense<\/strong><br \/>\nWrite the number that has the following values.<br \/>\nThe tens digit has a value of 60.<br \/>\nThe ones digit has a value of 3.<br \/>\nThe hundreds digit has a value of 900. _______<br \/>\nAnswer:963<br \/>\nExplanation:<br \/>\nA number can have many digits and each digit has a special place and value. the first digit at hundreds place.<br \/>\nThe 9 is in hundreds place value is 900. The second digit at tens place the 6 is in tens place value is 60 and<br \/>\nthe right first digit is in ones place the 3 is in ones place value 3 is 963.<\/p>\n<p><strong>7.4 Write Three-Digit Numbers<\/strong><\/p>\n<p><strong>Write the number in expanded form and word form.<\/strong><br \/>\nQuestion 10.<br \/>\n605<br \/>\n_____ + _____ + ______<br \/>\n________<br \/>\nAnswer: 600+5 and Six hundred five<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (600+05)<br \/>\nIn Word form write the number by using words but no numbers ( Six hundred five)<\/p>\n<p>Question 11.<br \/>\n541<br \/>\n______ + ______ + ______<\/p>\n<p>___________<br \/>\nAnswer: 500+40+1 and Five hundred forty-one<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (500+40+1)<br \/>\nIn Word form write the number by using words but no numbers (Five hundred forty-one)<\/p>\n<p><strong>Write the number in standard form and word form.<\/strong><br \/>\nQuestion 12.<br \/>\n100 + 20 + 4<br \/>\n______<br \/>\n___________<br \/>\nAnswer: 124 and One hundred twenty-four<br \/>\nExplanation<br \/>\nIn standard form, numbers are written using only numbers. There are no words (124)<br \/>\nIn Word form write the number by using words but no numbers (One hundred twenty-four)<\/p>\n<p>Question 13.<br \/>\n700 + 8<br \/>\n_______<br \/>\n_____________<br \/>\nAnswer: 708 and Seven hundred eight<br \/>\nExplanation<br \/>\nIn standard form, numbers are written using only numbers. There are no words (708)<br \/>\nIn Word form write the number by using words but no numbers (Seven hundred eight)<\/p>\n<p><strong>Write the number in expanded form and standard form.<\/strong><br \/>\nQuestion 14.<br \/>\nthree hundred thirty<br \/>\n_____ + _____ + _____<br \/>\n_____<br \/>\nAnswer: 300+30 and 330<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (300+30)<br \/>\nIn standard form, numbers are written using only numbers. There are no words. (330)<br \/>\nQuestion 15.<br \/>\ntwo hundred fifty-six<br \/>\n_____ + ______ + _____<br \/>\n______<br \/>\nAnswer: 200+50+6 and 256<br \/>\nExplanation<br \/>\nIn expanded form, write the number by showing the value of each digit (200+50+6)<br \/>\nIn standard form, numbers are written using only numbers. There are no words. (256)<br \/>\n<strong>7.5 Represent Numbers in Different Ways<\/strong><\/p>\n<p>Question 16.<br \/>\nShow 345 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19651\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-16.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 chp 16\" width=\"275\" height=\"226\" \/><br \/>\nAnswer: Three hundred forty-five and 300+40+5<br \/>\nExplanation<br \/>\nThere are 3 digit number(345)\u00a0 1 digit is for hundreds which is 3, 2nd digit is for tens which is 2 and the last digit for once 5 is 345<br \/>\nIn word form for 345 is Three hundreds forty-five,<br \/>\nThe expanded form for 345 is 300+40+5 which gives 345.<\/p>\n<p>Question 17.<br \/>\nShow 562 two ways.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-19652\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-7-Understand-Place-Value-to-1000-chp-17.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 7 Understand Place Value to 1,000 chp 17\" width=\"284\" height=\"229\" \/><br \/>\nAnswer: Five hundred sixty-two and 500+60+2<br \/>\nExplanation<br \/>\nThere are 3 digit numbers 1 digit number is hundreds which are 5, 2nd digit number is tens which is 6 tens and the last number 2 ones is 562<br \/>\nIn word form for 562 is Five hundred sixty-two,<br \/>\nThe expanded form for 562 is 500+60+2 is 562.<\/p>\n<p>Question 18.<br \/>\nYour friend says that 600 + 30 + 1 is the same as 500 + 130 + 1. Is your friend correct? Explain.<br \/>\n___________________<br \/>\n___________________<br \/>\nAnswer: Yes correct, given that 600+30+1= 631 ( which gives) and 500+130+1 = 631( which also gives the same answer)<br \/>\nboth equation shows the same answers.<\/p>\n<p><em>Conclusion:<\/em><\/p>\n<p>In this chapter, a brief explanation of the lessons are discussed in Answer Key of Big Ideas Math book Grade 2 Chapter 7 Understand Place Value to 1,000. Here we have provided the exercise problems and the solutions to help in practising the lessons. you can get the different and simple methods of solving problems in Big Ideas Math Grade 2 Answer Key Chapter 7 Understand Place Value to 1,000. Stay in touch with our site to get the latest edition solutions of all other Big Ideas Math Grade 2 Answers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Big Ideas Math Grade 2 Chapter 7 Understand Place Value to 1,000 Answer Key is provided in a comprehensive manner for better understanding. Students must solve as many questions as possible in BIM 2nd Grade Chapter 7 Understand Place Value to 1,000 Book and cross-check method and solutions here. 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