{"id":17284,"date":"2022-04-07T10:41:24","date_gmt":"2022-04-07T05:11:24","guid":{"rendered":"https:\/\/ccssmathanswers.com\/?p=17284"},"modified":"2022-04-07T11:43:38","modified_gmt":"2022-04-07T06:13:38","slug":"big-ideas-math-answers-grade-2-chapter-1","status":"publish","type":"post","link":"https:\/\/bigideasmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/","title":{"rendered":"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays"},"content":{"rendered":"<p>Big Ideas Math Answers 2nd Grade 1st Chapter Numbers and Arrays PDF is provided here. We have given the solutions to all the questions in <a href=\"https:\/\/bigideasmathanswers.com\/big-ideas-math-answers-grade-2\/\" target=\"_blank\" rel=\"noopener\">Big Ideas Math Answers Grade 2<\/a> Chapter 1 Numbers and Arrays in pdf format. BIM Grade 2 Textbook Chapter 1 Numbers and Arrays Answer Key helps the students to complete their homework in time and also to enhance their knowledge. It will also useful to learn the concepts in depth.<\/p>\n<h2>Download Big Ideas Math Book 2nd Grade Answer Key Chapter 1 Numbers and Arrays PDF<\/h2>\n<p>Apply the real-time math examples by learning the tricks using BIM Grade 2 Chapter 1 Numbers and Arrays. Have a look at the topics before you start the preparation. The quick method of solving math questions si helpful to the students to save their time. We have provided the answers for each and every section of chapter 1 numbers and arrays in the following sections.<\/p>\n<p>The topics covered in Bid Ideas Math Book Grade 2 Answer Key Chapter 1 Numbers and Arrays are Even and Odd Numbers, Model Even and Odd Numbers, Equal Groups, Use Arrays, and Make Arrays. The performance task given at the end helps you to test your skills. Make use of the below links and learn the basic topics covered here.<\/p>\n<p><strong>Vocabulary<\/strong><\/p>\n<ul>\n<li><a href=\"#Numbers_and_Arrays_Vocabulary\">Numbers and Arrays Vocabulary<\/a><\/li>\n<\/ul>\n<p><strong>Lesson 1: Even and Odd Numbers<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_1.1_Even_and_Odd_Numbers\">Lesson 1.1 Even and Odd Numbers<\/a><\/li>\n<li><a href=\"#Even_and_Odd_Numbers_Home_&amp;_Practice_1.1\">Even and Odd Numbers Home &amp; Practice 1.1<\/a><\/li>\n<\/ul>\n<p><strong>Lesson 2: Model Even and Odd Numbers<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_1.2_Model_Even_and_Odd_Numbers\">Lesson 1.2 Model Even and Odd Numbers<\/a><\/li>\n<li><a href=\"#Model_Even_and_Odd_Numbers_Homework_&amp;_Practice_1.2\">Model Even and Odd Numbers Homework &amp; Practice 1.2<\/a><\/li>\n<\/ul>\n<p><strong>Lesson 3: Equal Groups<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_1.3_Equal_Groups\">Lesson 1.3 Equal Groups<\/a><\/li>\n<li><a href=\"#Equal_Groups_Homework_&amp;_Practice_1.3\">Equal Groups Homework &amp; Practice 1.3<\/a><\/li>\n<\/ul>\n<p><strong>Lesson 4: Use Arrays<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_1.4_Use_Arrays\">Lesson 1.4 Use Arrays<\/a><\/li>\n<li><a href=\"#Use_Arrays_Homework_&amp;_Practice_1.4\">Use Arrays Homework &amp; Practice 1.4<\/a><\/li>\n<\/ul>\n<p><strong>Lesson 5: Make Arrays<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_1.5_Make_Arrays\">Lesson 1.5 Make Arrays<\/a><\/li>\n<li><a href=\"#Make_Arrays_Homework_&amp;_Practice_1.5\">Make Arrays Homework &amp; Practice 1.5<\/a><\/li>\n<\/ul>\n<p><strong>Performance Task<\/strong><\/p>\n<ul>\n<li><a href=\"#Numbers_and_Arrays_Performance_Task\">Numbers and Arrays Performance Task<\/a><\/li>\n<li><a href=\"#Numbers_and_Arrays_Activity\">Numbers and Arrays Activity<\/a><\/li>\n<li><a href=\"#Numbers_and_Arrays_Chapter_Practice\">Numbers and Arrays Chapter Practice<\/a><\/li>\n<\/ul>\n<h3><a id=\"Numbers_and_Arrays_Vocabulary\"><\/a>Numbers and Arrays Vocabulary<\/h3>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-17360\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-1.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 1\" width=\"248\" height=\"116\" \/><\/p>\n<p><strong>Organize It<\/strong><\/p>\n<p>Use the review words to complete the graphic organizer.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17383\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-2.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 2\" width=\"491\" height=\"193\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-2.png 491w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-2-300x118.png 300w\" sizes=\"(max-width: 491px) 100vw, 491px\" \/><br \/>\nAnswer: Plus sign<br \/>\n&#8216;+&#8217; is the mathematical symbol used to represent the notion of positive as well as the operation of addition.<\/p>\n<p><strong>Define It<\/strong><\/p>\n<p>Use your vocabulary cards to identify the word.<\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17384\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-3.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 3\" width=\"540\" height=\"109\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-3.png 540w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-3-300x61.png 300w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><br \/>\nAnswer: Even<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17385\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-4.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 4\" width=\"553\" height=\"102\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-4.png 553w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-4-300x55.png 300w\" sizes=\"(max-width: 553px) 100vw, 553px\" \/><br \/>\nAnswer: Even<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17386\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-5.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 5\" width=\"557\" height=\"99\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-5.png 557w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-5-300x53.png 300w\" sizes=\"(max-width: 557px) 100vw, 557px\" \/><br \/>\nAnswer: Odd<\/p>\n<p><strong>Chapter 1 Vocabulary Cards<\/strong><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-17387\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-6.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 6\" width=\"517\" height=\"560\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-6.png 517w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-6-277x300.png 277w\" sizes=\"(max-width: 517px) 100vw, 517px\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17388\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-7.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 7\" width=\"689\" height=\"401\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-7.png 689w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-7-300x175.png 300w\" sizes=\"(max-width: 689px) 100vw, 689px\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17389\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-8.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 8\" width=\"676\" height=\"369\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-8.png 676w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-8-300x164.png 300w\" sizes=\"(max-width: 676px) 100vw, 676px\" \/><\/p>\n<h3><a id=\"Lesson_1.1_Even_and_Odd_Numbers\"><\/a>Lesson 1.1 Even and Odd Numbers<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Use linking cubes to model each story.<br \/>\nThere are 6 students in the gym. Does each student have a partner?<br \/>\nThere are 5 students in the library. Does each student have a partner?<\/p>\n<p><strong>Think and Grow<\/strong><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-17390\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-9.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 9\" width=\"637\" height=\"273\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-9.png 637w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-9-300x129.png 300w\" sizes=\"(max-width: 637px) 100vw, 637px\" \/><\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17391\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-10.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 10\" width=\"188\" height=\"186\" \/><\/p>\n<p>Answer: Even<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-20533\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-10-1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-10-1-Answer\" width=\"167\" height=\"163\" \/><\/p>\n<p>Explanation: There are 6 parts, An even number can be shown as 2 equal parts.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17392\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-11.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 11\" width=\"165\" height=\"191\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-11-answer\/\" rel=\"attachment wp-att-22926\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22926\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-11-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-11-Answer\" width=\"145\" height=\"153\" \/><\/a><br \/>\nExplanation: There are 9 parts, An odd number cannot be shown as 2 equal parts.<\/p>\n<p><strong>Color cubes to show the number. Circle even or odd.<\/strong><\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17393\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-12.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 12\" width=\"169\" height=\"185\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-12-answer\/\" rel=\"attachment wp-att-22888\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22888\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-12-Answer.jpg\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-12-Answer\" width=\"167\" height=\"174\" \/><\/a><br \/>\nExplanation: 11 is odd number and cannot be shown as 2 equal parts.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17394\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-13.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 13\" width=\"209\" height=\"189\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-13-answer\/\" rel=\"attachment wp-att-22912\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22912\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-13-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-13-Answer\" width=\"168\" height=\"176\" \/><\/a><br \/>\nExplanation: 16 is even number and can be shown as 2 equal parts.<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Color cubes to show the number. Circle even or odd.<\/p>\n<p>Question 5.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17395\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-14.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 14\" width=\"185\" height=\"171\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-14-answer\/\" rel=\"attachment wp-att-22916\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22916\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-14-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-14-Answer\" width=\"182\" height=\"171\" \/><\/a><br \/>\nExplanation: 13 is odd number and cannot be shown as 2 equal parts.<\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17396\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-15.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 15\" width=\"167\" height=\"172\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-15-answer\/\" rel=\"attachment wp-att-22918\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22918\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-15-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-15-Answer\" width=\"171\" height=\"188\" \/><\/a><br \/>\nExplanation: 10 is even number and can be shown as 2 equal parts.<\/p>\n<p>Is the number even or odd?<\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17397\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-16.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 16\" width=\"158\" height=\"80\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-16-answer\/\" rel=\"attachment wp-att-22919\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22919\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-16-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-16-Answer\" width=\"138\" height=\"121\" \/><\/a><br \/>\nExplanation: 1 is odd number and cannot be shown as 2 equal parts.<\/p>\n<p>Question 8.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17398\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-17.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 17\" width=\"157\" height=\"80\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-17-answer\/\" rel=\"attachment wp-att-22920\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22920\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-17-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-17-Answer\" width=\"126\" height=\"102\" \/><\/a><br \/>\nExplanation: 4 is even number and can be shown as 2 equal parts.<\/p>\n<p>Question 9.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17399\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-18.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 18\" width=\"160\" height=\"74\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-18-answer\/\" rel=\"attachment wp-att-22921\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22921\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-18-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-18-Answer\" width=\"144\" height=\"100\" \/><\/a><br \/>\nExplanation: 18\u00a0is even number and can be shown as 2 equal parts.<\/p>\n<p>Question 10.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17401\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-19.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 19\" width=\"157\" height=\"78\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-19-answer\/\" rel=\"attachment wp-att-22923\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22923\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-19-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-19-Answer\" width=\"136\" height=\"84\" \/><\/a><br \/>\nExplanation: 17 is odd number and cannot be shown as 2 equal parts.<\/p>\n<p>Question 11.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17403\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 20\" width=\"165\" height=\"73\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-20-answer\/\" rel=\"attachment wp-att-22924\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22924\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20-Answer\" width=\"153\" height=\"97\" \/><\/a><br \/>\nExplanation: 19 is odd number and cannot be shown as 2 equal parts.<\/p>\n<p>Question 12.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17404\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-21.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 21\" width=\"154\" height=\"79\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-21-answer\/\" rel=\"attachment wp-att-22925\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-22925\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-21-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-21-Answer\" width=\"134\" height=\"83\" \/><\/a><br \/>\nExplanation: 20 is even number and can be shown as 2 equal parts.<\/p>\n<p>Question 13.<br \/>\n<strong>Number Sense<\/strong><br \/>\nCircle even or odd to describe each group. Then write each number in the correct group.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17406\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 22\" width=\"614\" height=\"166\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22.png 614w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22-300x81.png 300w\" sizes=\"(max-width: 614px) 100vw, 614px\" \/><\/p>\n<p>Answer: <a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-22-answer\/\" rel=\"attachment wp-att-23881\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23881\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22-Answer-300x123.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22-Answer\" width=\"300\" height=\"123\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22-Answer-300x123.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22-Answer.png 535w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>There is an even number of students in your class. There are more than 16 but fewer than 20 students. How many students are in your class?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17408\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-23.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 23\" width=\"175\" height=\"189\" \/><\/p>\n<p>Answer: 18 Students<br \/>\nExplanation: Between 16 and 20, Even number is 18.<\/p>\n<p>Show how you know:<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 14.<br \/>\nThere is an odd number of cows in a \ufb01eld. There are more than 13 but fewer than 17 cows. How many cows are in the \ufb01eld?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17410\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-24.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 24\" width=\"160\" height=\"220\" \/><\/p>\n<p>Answer: 15 cows<br \/>\nExplanation: Between 13 and 17, Odd number is 15.<\/p>\n<p>Question 15.<br \/>\nThere are 14 geese on a farm. There are 2 more chickens than geese. Is there an even or odd number of chickens?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17412\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-25.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 25\" width=\"137\" height=\"98\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-17414\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-26.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 26\" width=\"165\" height=\"52\" \/><\/p>\n<p>Answer: Even<br \/>\nExplanation: There are total 16 Chickens on a farm, which is Even number.<\/p>\n<h3><a id=\"Even_and_Odd_Numbers_Home_&amp;_Practice_1.1\"><\/a>Even and Odd Numbers Home &amp; Practice 1.1<\/h3>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17416\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-27.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 27\" width=\"232\" height=\"153\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-27-answer\/\" rel=\"attachment wp-att-23277\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23277\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-27-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-27-Answer\" width=\"200\" height=\"157\" \/><\/a><br \/>\nExplanation: Total 11 parts, which cannot be shown as 2 equal parts.<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17418\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-28.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 28\" width=\"236\" height=\"152\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-28-answer\/\" rel=\"attachment wp-att-23278\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23278\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-28-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-28-Answer\" width=\"212\" height=\"143\" \/><\/a><br \/>\nExplanation: Total 10 parts, which can be shown as 2 equal parts.<\/p>\n<p>Color cubes to show the number. Circle even or Odd<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17420\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-29.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 29\" width=\"169\" height=\"160\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-29-answer\/\" rel=\"attachment wp-att-23283\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23283\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-29-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-29-Answer\" width=\"181\" height=\"164\" \/><\/a><br \/>\nExplanation: 9 is Odd number which cannot be shown in 2 equal parts.<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17422\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 30\" width=\"190\" height=\"163\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-30-answer\/\" rel=\"attachment wp-att-23284\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23284\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30-Answer\" width=\"161\" height=\"161\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30-Answer.png 161w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30-Answer-150x150.png 150w\" sizes=\"(max-width: 161px) 100vw, 161px\" \/><\/a><br \/>\nExplanation: 14 is Even number which can be shown in 2 equal parts.<\/p>\n<p>Question 5.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17424\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 31\" width=\"222\" height=\"156\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-31-answer\/\" rel=\"attachment wp-att-23285\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23285\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31-Answer\" width=\"197\" height=\"164\" \/><\/a><br \/>\nExplanation: 18 is Even number which can be shown in 2 equal parts.<\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17426\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-32.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 32\" width=\"204\" height=\"156\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-32-answer\/\" rel=\"attachment wp-att-23286\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23286\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-32-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-32-Answer\" width=\"212\" height=\"168\" \/><\/a><br \/>\nExplanation: 15 is Odd number which cannot be shown in 2 equal parts.<\/p>\n<p>Is the number even or odd?<\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17428\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-33.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 33\" width=\"155\" height=\"79\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-33-answer\/\" rel=\"attachment wp-att-23287\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23287\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-33-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-33-Answer\" width=\"147\" height=\"96\" \/><\/a><br \/>\nExplanation: 2 is Even number which can be shown in 2 equal parts.<\/p>\n<p>Question 8.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17430\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-34.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 34\" width=\"144\" height=\"81\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-34-answer\/\" rel=\"attachment wp-att-23309\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23309\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-34-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-34-Answer\" width=\"145\" height=\"95\" \/><\/a><br \/>\nExplanation: 5 is Odd number which cannot be shown in 2 equal parts.<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 9.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nYou break apart a linking cube train to make two equal parts. There is 1 cube left over. Is the number of cubes even or odd? Explain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17432\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-35.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 35\" width=\"172\" height=\"44\" \/><\/p>\n<p>Answer: Odd<br \/>\nExplanation: There are 5 parts in cube train, when it is broken in 2 equal parts then there is 1 cube left (2+2+1) which is Odd number.<\/p>\n<p>Question 10.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nThere is an even number of eggs in a nest. There are more than 10 but fewer than 14 eggs. How many eggs are in the nest?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17434\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-36.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 36\" width=\"536\" height=\"53\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-36.png 536w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-36-300x30.png 300w\" sizes=\"(max-width: 536px) 100vw, 536px\" \/><\/p>\n<p>Answer: 12 eggs<br \/>\nExplanation: 12 is even number and also between 10 and 14, 12 is the only even number.<\/p>\n<p>Question 11.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nYou have 6 green crayons. You have 1 more blue crayon than green crayons. Do you have an even or an odd number of blue crayons?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17436\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-37.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 37\" width=\"104\" height=\"104\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17438\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-38.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 38\" width=\"162\" height=\"40\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-37-answer\/\" rel=\"attachment wp-att-23310\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23310\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-37-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-37-Answer\" width=\"160\" height=\"65\" \/><\/a><br \/>\nExplanation:\u00a0 Total 7 blue crayon which is Odd number so it cannot be shown in 2 equal parts.<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 12.<br \/>\n6 + 6 = ___<br \/>\nAnswer: 12<br \/>\nExplanation: 12 is Even number which can be shown in 2 equal parts.<\/p>\n<p>Question 13.<br \/>\n9 + 9 = ___<br \/>\nAnswer: 18<br \/>\nExplanation: 18 is Even number which can be shown in 2 equal parts.<\/p>\n<p>Question 14.<br \/>\n7 + 7 = ___<br \/>\nAnswer: 14<br \/>\nExplanation: 14 is Even number which can be shown in 2 equal parts.<\/p>\n<p>Question 15.<br \/>\n8 + 8 = ___<br \/>\nAnswer: 16<br \/>\nExplanation: 16 is Even number which can be shown in 2 equal parts.<\/p>\n<h3><a id=\"Lesson_1.2_Model_Even_and_Odd_Numbers\"><\/a>Lesson 1.2 Model Even and Odd Numbers<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Use linking cubes to model each sum. Is the sum even or odd?<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-17400\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-19.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 19.1\" width=\"420\" height=\"55\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-19.1.png 420w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-19.1-300x39.png 300w\" sizes=\"(max-width: 420px) 100vw, 420px\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-20-1-answer\/\" rel=\"attachment wp-att-23313\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23313\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-Answer-300x48.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-Answer\" width=\"300\" height=\"48\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-Answer-300x48.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-Answer.png 319w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nExplanation: 4+4=8, 8 is Even number which can be shown in 2 equal parts.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-17402\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 20.1\" width=\"423\" height=\"49\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1.png 423w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-300x35.png 300w\" sizes=\"(max-width: 423px) 100vw, 423px\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-20-1-answer-3\/\" rel=\"attachment wp-att-23315\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23315\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-Answer-2-300x52.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1--Answer\" width=\"300\" height=\"52\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-Answer-2-300x52.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-20.1-Answer-2.png 347w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nExplanation: 5+4=9, 9 is Odd number which cannot be shown in 2 equal parts.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17405\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 22.1\" width=\"216\" height=\"216\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22.1.png 216w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22.1-150x150.png 150w\" sizes=\"(max-width: 216px) 100vw, 216px\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-22-1-answer\/\" rel=\"attachment wp-att-23317\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23317\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-22.1-Answer\" width=\"172\" height=\"169\" \/><\/a><br \/>\nExplanation: 7=4+3, Odd number<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17407\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-23.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 23.1\" width=\"226\" height=\"219\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-23-1-answer\/\" rel=\"attachment wp-att-23319\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23319\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-23.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-23.1-Answer\" width=\"171\" height=\"173\" \/><\/a><br \/>\nExplanation: 10=5+5, Even number<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17409\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-24.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 24.1\" width=\"233\" height=\"220\" \/><br \/>\nAnswer: Even<\/p>\n<p><a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-24-1-answer\/\" rel=\"attachment wp-att-23321\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23321\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-24.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-24.1-Answer\" width=\"192\" height=\"174\" \/><\/a><br \/>\nExplanation: 14=7+7, Even number<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17411\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-25.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 25.1\" width=\"260\" height=\"214\" \/><br \/>\nAnswer: Odd<\/p>\n<p><a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-25-1-answer\/\" rel=\"attachment wp-att-23325\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23325\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-25.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-25.1-Answer\" width=\"212\" height=\"199\" \/><\/a><\/p>\n<p>Explanation: 17=9+8, Odd number<\/p>\n<p>Question 5.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17413\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-26.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 26.1\" width=\"255\" height=\"220\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-26-1-answer\/\" rel=\"attachment wp-att-23372\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23372\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-26.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-26.1-Answer\" width=\"201\" height=\"171\" \/><\/a><br \/>\nExplanation: 18=9+9, Even number<\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17415\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-27.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 27.1\" width=\"236\" height=\"229\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-27-1-answer\/\" rel=\"attachment wp-att-23412\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23412\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-27.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-27.1-Answer\" width=\"190\" height=\"168\" \/><\/a><br \/>\nExplanation: 13=7+6, Odd number<\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17417\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-28.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 28.1\" width=\"245\" height=\"221\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-28-1-answer\/\" rel=\"attachment wp-att-23429\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23429\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-28.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-28.1-Answer\" width=\"181\" height=\"170\" \/><\/a><br \/>\nExplanation: 15=8+7, Odd number<\/p>\n<p>Question 8.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17419\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-29.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 29.1\" width=\"292\" height=\"220\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-29-1-answer\/\" rel=\"attachment wp-att-23431\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23431\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-29.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-29.1-Answer\" width=\"227\" height=\"182\" \/><\/a><\/p>\n<p>Explanation: 20=10+10, Even number<\/p>\n<p>Question 9.<br \/>\n<strong>YOU BE THE TEACHER<\/strong><br \/>\nDescartes uses doubles plus 1 to model an odd number. Is he correct? Explain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17421\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 30.1\" width=\"579\" height=\"124\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30.1.png 579w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-30.1-300x64.png 300w\" sizes=\"(max-width: 579px) 100vw, 579px\" \/><\/p>\n<p>Answer: Yes<br \/>\nExplanation: 3+4=7, Odd number which cannot be shown as 2 equal parts.<\/p>\n<p>Question 10.<br \/>\nYou do 6 sit-ups on Saturday and 7 on Sunday. Do you do an even or odd number of sit-ups in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17423\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 31.1\" width=\"159\" height=\"42\" \/><\/p>\n<p>Answer: <a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-31-1-answer\/\" rel=\"attachment wp-att-23435\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23435\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31.1-Answer\" width=\"153\" height=\"58\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31.1-Answer.png 153w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-31.1-Answer-150x58.png 150w\" sizes=\"(max-width: 153px) 100vw, 153px\" \/><\/a><br \/>\nExplanation: 6+7=13, It is an Odd number<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>There is an even number of marbles in one bag and an odd number of marbles in another bag. Is there an even or an odd number of marbles in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17425\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-32.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 32.1\" width=\"154\" height=\"140\" \/><\/p>\n<p>Which equation could match the story?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17427\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-33.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 33.1\" width=\"481\" height=\"53\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-33.1.png 481w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-33.1-300x33.png 300w\" sizes=\"(max-width: 481px) 100vw, 481px\" \/><br \/>\nThere is an ___ number of marbles in all.<br \/>\nAnswer: Odd<br \/>\nExplanation: 8+7=15, 8 is even and 7 is odd number, in total 15 is Odd number of marbles.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 11.<br \/>\nTwo buckets each have an odd number of seashells. Is there an even or an odd number of seashells in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17429\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-34.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 34.1\" width=\"152\" height=\"103\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-34.1.png 152w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-34.1-150x103.png 150w\" sizes=\"(max-width: 152px) 100vw, 152px\" \/><br \/>\nWhich equation could match the story?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17431\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-35.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 35.1\" width=\"483\" height=\"51\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-35.1.png 483w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-35.1-300x32.png 300w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><br \/>\nThere is an __ number of seashells in all.<br \/>\nAnswer: Odd<br \/>\nExplanation: 9+5=14, 9 and 5 are odd numbers which in total 14 is Even number.<\/p>\n<p>Question 12.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nYou have an odd number of \ufb02owers. You and your friend have an even number of \ufb02owers in all. Does your friend have an even or an odd number of \ufb02owers?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17433\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-36.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 36.1\" width=\"116\" height=\"119\" \/><br \/>\nYour friend has an ___ number of \ufb02owers.<br \/>\nAnswer: Even<br \/>\nExplanation: Friend has only even number of flowers.<\/p>\n<h3><a id=\"Model_Even_and_Odd_Numbers_Homework_&amp;_Practice_1.2\"><\/a>Model Even and Odd Numbers Homework &amp; Practice 1.2<\/h3>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17435\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-37.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 37.1\" width=\"210\" height=\"227\" \/><br \/>\nAnswer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-37-1-answer\/\" rel=\"attachment wp-att-23438\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23438\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-37.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-37.1-Answer\" width=\"176\" height=\"172\" \/><\/a><br \/>\nExplanation: 8=4+4, Even number<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17437\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-38.1.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 38.1\" width=\"260\" height=\"219\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-38-1-answer\/\" rel=\"attachment wp-att-23439\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23439\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-38.1-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-38.1-Answer\" width=\"223\" height=\"144\" \/><\/a><br \/>\nExplanation: 17=9+8, Odd number<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17439\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-39.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 39\" width=\"213\" height=\"220\" \/><\/p>\n<p>Answer: Odd<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-39-answer-2\/\" rel=\"attachment wp-att-23884\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23884\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-39-Answer-1.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-39-Answer\" width=\"176\" height=\"141\" \/><\/a><br \/>\nExplanation: 9=5+4, Odd number<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17440\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-40.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 40\" width=\"239\" height=\"218\" \/><\/p>\n<p>Answer: Even<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-40-answer-2\/\" rel=\"attachment wp-att-23886\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23886\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-40-Answer-1.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-40-Answer\" width=\"186\" height=\"144\" \/><\/a><br \/>\nExplanation: 16=8+8, Even number<\/p>\n<p>Question 5.<br \/>\n<strong>Reasoning<\/strong><br \/>\nFill in the blanks using even or odd.<br \/>\nThe sum of two even numbers is ___.<br \/>\nAnswer: Even<br \/>\nThe sum of two odd numbers is ___.<br \/>\nAnswer: Even<br \/>\nThe sum of an even number and an odd number is __.<br \/>\nAnswer: Odd<\/p>\n<p>Question 6.<br \/>\nYou do 10 jumping jacks on Saturday and 10 on Sunday. Do you do an even or odd number of jumping jacks in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17441\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-41.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 41\" width=\"158\" height=\"44\" \/><\/p>\n<p>Answer: Even<br \/>\nExplanation: 10+10=20, which is Even number.<\/p>\n<p>Question 7.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nYou and your friend each have an even number of googly eyes. Do you and your friend have an even or an odd number of googly eyes in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17442\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-42.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 42\" width=\"188\" height=\"124\" \/><\/p>\n<p>Which equation could match the story?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17443\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-43.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 43\" width=\"485\" height=\"42\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-43.png 485w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-43-300x26.png 300w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><br \/>\nYou have an __ number of googly eyes in all.<br \/>\nAnswer: 4+6=10<br \/>\nExplanation: 4 and 6 are Even numbers. So totally 10 googly eyes which is even number.<\/p>\n<p>Question 8.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nYou hop an even number of times. You and your friend hop an odd number of times in all. Does your friend hop an even or an odd number of times?<br \/>\nYour friend hops an ___ number of times.<br \/>\nAnswer: Your Friend hops an Odd number of times.<br \/>\nExplanation: you hop an even and overall odd number, so your friend has odd number of times.<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Circle the shape that shows equal shares.<\/p>\n<p>Question 9.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17444\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-44.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 44\" width=\"271\" height=\"75\" \/><br \/>\nAnswer: <a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-44-answer\/\" rel=\"attachment wp-att-23445\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23445\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-44-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-44-Answer\" width=\"229\" height=\"142\" \/><\/a><\/p>\n<p>Question 10.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17445\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-45.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 45\" width=\"229\" height=\"97\" \/><\/p>\n<p>Answer: <a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-45-answer\/\" rel=\"attachment wp-att-23456\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23456\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-45-Answer.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-45-Answer\" width=\"223\" height=\"149\" \/><\/a><\/p>\n<h3><a id=\"Lesson_1.3_Equal_Groups\"><\/a>Lesson 1.3 Equal Groups<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Circle groups of two oranges. Complete the sentence.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17446\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-46.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 46\" width=\"515\" height=\"233\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-46.png 515w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-46-300x136.png 300w\" sizes=\"(max-width: 515px) 100vw, 515px\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17447\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-47.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 47\" width=\"298\" height=\"41\" \/><\/p>\n<p>Answer: 4 groups of 2 is 8.<\/p>\n<p><a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-46-answer\/\" rel=\"attachment wp-att-23459\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23459\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-46-Answer-300x145.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-46-Answer\" width=\"300\" height=\"145\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-46-Answer-300x145.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-46-Answer.png 397w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17448\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-49.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 49\" width=\"249\" height=\"199\" \/><\/p>\n<p>Answer: 5 groups of 2<br \/>\n5+5=10<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17449\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-50.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 50\" width=\"321\" height=\"216\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-50.png 321w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-50-300x202.png 300w\" sizes=\"(max-width: 321px) 100vw, 321px\" \/><\/p>\n<p>Answer: 2 groups of 3<br \/>\n2+2+2=6<\/p>\n<p>Question 3.<br \/>\nCircle groups of 3. Write a repeated addition equation.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17450\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-51.png\" alt=\"Big Ideas Math Solutions Grade 2 Chapter 1 Numbers and Arrays 51\" width=\"594\" height=\"190\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-51.png 594w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-51-300x96.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/p>\n<p>Answer: 5 groups of 3<br \/>\n5+5+5+5+5=25<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-solutions-grade-2-chapter-1-numbers-and-arrays-51-answer\/\" rel=\"attachment wp-att-23461\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23461\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-51-Answer-300x61.png\" alt=\"Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-51-Answer\" width=\"300\" height=\"61\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-51-Answer-300x61.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-2-Chapter-1-Numbers-and-Arrays-51-Answer.png 421w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Question 4.<br \/>\nCircle groups of 5. Write a repeated addition equation.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17361\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-52.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 52\" width=\"623\" height=\"176\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-52.png 623w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-52-300x85.png 300w\" sizes=\"(max-width: 623px) 100vw, 623px\" \/><\/p>\n<p>Answer: 3 groups of 5<br \/>\n5+5=15<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answers-grade-2-chapter-1-numbers-and-arrays-52-answer\/\" rel=\"attachment wp-att-23464\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23464\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-52-Answer-300x53.png\" alt=\"Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-52-Answer\" width=\"300\" height=\"53\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-52-Answer-300x53.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-52-Answer.png 467w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Question 5.<br \/>\nCircle groups of 4. Write a repeated addition equation.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17362\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-53.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 53\" width=\"559\" height=\"173\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-53.png 559w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-53-300x93.png 300w\" sizes=\"(max-width: 559px) 100vw, 559px\" \/><\/p>\n<p>Answer: 4 groups of 4<br \/>\nAnswer: 4+4+4+4=16<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answers-grade-2-chapter-1-numbers-and-arrays-53-answer\/\" rel=\"attachment wp-att-23467\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23467\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-53-Answer-300x44.png\" alt=\"Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-53-Answer\" width=\"300\" height=\"44\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-53-Answer-300x44.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-53-Answer.png 529w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Question 6.<br \/>\n<strong>YOU BE THE TEACHER<\/strong><br \/>\nNewton says he can circle 5 equal groups. Is he correct? Explain.<br \/>\n<img loading=\"lazy\" class=\"alignnone wp-image-17363 size-medium\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-54-300x110.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 54\" width=\"300\" height=\"110\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-54-300x110.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-54.png 581w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Answer:<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answers-grade-2-chapter-1-numbers-and-arrays-54-answer\/\" rel=\"attachment wp-att-23470\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23470\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-54-Answer-300x77.png\" alt=\"Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-54-Answer\" width=\"300\" height=\"77\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-54-Answer-300x77.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-54-Answer.png 376w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nYes he is correct. Newton can circle 3 groups of 5 parts. So, 3+3+3+3+3=15<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>You have 3 boxes. There are 5 pencils in each box. How many pencils are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17364\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-55.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 55\" width=\"141\" height=\"79\" \/><br \/>\nModel:<br \/>\nRepeated addition equation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17365\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-56.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 56\" width=\"419\" height=\"36\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-56.png 419w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-56-300x26.png 300w\" sizes=\"(max-width: 419px) 100vw, 419px\" \/><\/p>\n<p>Answer: 15 pencils in total. 5+5+5=15.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 7.<br \/>\nYou have 5 bags. There are 4 notebooks in each bag. How many notebooks are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17366\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-57.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 57\" width=\"115\" height=\"106\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17367\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-58.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 58\" width=\"174\" height=\"37\" \/><\/p>\n<p>Answer: 20 notebooks in total. 5+5+5+5=20.<\/p>\n<p>Question 8.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nThere are 4 boxes. Each box has the same number of glue sticks. There are 16 in all. How many glue sticks are in each box?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17368\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-59.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 59\" width=\"209\" height=\"151\" \/><\/p>\n<p>Answer: There are 4 glue sticks in each box.<\/p>\n<p>Question 9.<br \/>\nExplain how you solved Exercises 7 and 8. What did you do differently?<br \/>\n_______________________________________<br \/>\n_______________________________________<\/p>\n<p>Answer: Adding the number with the given number of times.<\/p>\n<h3><a id=\"Equal_Groups_Homework_&amp;_Practice_1.3\"><\/a>Equal Groups Homework &amp; Practice 1.3<\/h3>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17369\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-60.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 60\" width=\"225\" height=\"207\" \/><\/p>\n<p>Answer: 3 groups of 2<br \/>\n3+3=6<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17370\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-61.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 61\" width=\"340\" height=\"218\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-61.png 340w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-61-300x192.png 300w\" sizes=\"(max-width: 340px) 100vw, 340px\" \/><\/p>\n<p>Answer: 4 groups of 3<br \/>\n4+4+4=12<\/p>\n<p>Question 3.<br \/>\nCircle groups of 2. Write a repeated addition equation.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17371\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-62.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 62\" width=\"505\" height=\"150\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-62.png 505w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-62-300x89.png 300w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/><\/p>\n<p>Answer: 4 groups of 2<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answers-grade-2-chapter-1-numbers-and-arrays-62-answer\/\" rel=\"attachment wp-att-23471\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-23471\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-62-Answer.png\" alt=\"Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-62-Answer\" width=\"227\" height=\"51\" \/><\/a><br \/>\nAnswer: 2+2+2+2=8<\/p>\n<p>Question 4.<br \/>\n<strong>Structure<\/strong><br \/>\nShow two different ways to put the buttons in equal groups.<br \/>\n<strong>One Way:<\/strong><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17372\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-63.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 63\" width=\"615\" height=\"38\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-63.png 615w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-63-300x19.png 300w\" sizes=\"(max-width: 615px) 100vw, 615px\" \/><br \/>\n<strong>Another Way:<\/strong><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17373\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-64.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 64\" width=\"613\" height=\"35\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-64.png 613w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-64-300x17.png 300w\" sizes=\"(max-width: 613px) 100vw, 613px\" \/><\/p>\n<p>Answer: <a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answers-grade-2-chapter-1-numbers-and-arrays-63-answer\/\" rel=\"attachment wp-att-23472\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-23472\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-63-Answer-300x63.png\" alt=\"Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-63-Answer\" width=\"300\" height=\"63\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-63-Answer-300x63.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-63-Answer.png 541w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Question 5.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nYou have 3 jars of paint brushes.There are 6 paint brushes in each jar. How many paint brushes are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17374\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-65.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 65\" width=\"215\" height=\"173\" \/><\/p>\n<p>Answer: 18 paintbrushes<br \/>\nExplanation: 6+6+6=18<br \/>\n<strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17375\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-66.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 66\" width=\"529\" height=\"222\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-66.png 529w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-66-300x126.png 300w\" sizes=\"(max-width: 529px) 100vw, 529px\" \/><br \/>\nHow many students chose baseball? ___<\/p>\n<p>Answer: 5 students chose baseball<br \/>\nWhich sport is the most favorite? <img loading=\"lazy\" class=\"alignnone size-full wp-image-17377\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-67.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 67\" width=\"154\" height=\"50\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-67.png 154w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-67-150x50.png 150w\" sizes=\"(max-width: 154px) 100vw, 154px\" \/><\/p>\n<p>Answer: Favorite sport is Soccer<\/p>\n<h3><a id=\"Lesson_1.4_Use_Arrays\"><\/a>Lesson 1.4 Use Arrays<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>How many equal groups are there? Write an addition equation to tell how many cars there are in all.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17376\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-67.1.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 67.1\" width=\"223\" height=\"231\" \/><br \/>\nNumber of equal groups: ___<br \/>\nAnswer: 2<br \/>\nAddition equation:<br \/>\n3+3=6<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17378\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-68.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 68\" width=\"216\" height=\"205\" \/><\/p>\n<p>Answer: 2 rows of 4<br \/>\n4+4=8<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17379\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-69.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 69\" width=\"298\" height=\"206\" \/><\/p>\n<p>Answer: 3 rows of 4<br \/>\n4+4+4=12<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17380\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-70.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 70\" width=\"581\" height=\"122\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-70.png 581w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-70-300x63.png 300w\" sizes=\"(max-width: 581px) 100vw, 581px\" \/><\/p>\n<p>Answer: 4 rows of 4<br \/>\n4+4+4+4=16<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17332\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-71.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 71\" width=\"222\" height=\"201\" \/><\/p>\n<p>Answer: 2 rows of 5<br \/>\n5+5=10<\/p>\n<p>Question 5.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17333\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-72.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 72\" width=\"300\" height=\"205\" \/><\/p>\n<p>Answer: 3 rows of 3<br \/>\n3+3+3=9<\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17334\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-73.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 73\" width=\"594\" height=\"107\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-73.png 594w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-73-300x54.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/p>\n<p>Answer: 3 rows of 5<br \/>\n5+5+5=15<\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17335\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-74.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 74\" width=\"600\" height=\"150\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-74.png 600w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-74-300x75.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Answer: 5 rows of 4<br \/>\n5+5+5+5=20<\/p>\n<p>Question 8.<br \/>\n<strong>Logic<\/strong><br \/>\nWhich arrays show the same number of circles?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17336\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-75.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 75\" width=\"629\" height=\"172\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-75.png 629w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-75-300x82.png 300w\" sizes=\"(max-width: 629px) 100vw, 629px\" \/><\/p>\n<p>Answer: Red and Blue circles show the same number.<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>The arrays show the desks in two classrooms. Which classroom has more desks?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17337\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-76.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 76\" width=\"532\" height=\"206\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-76.png 532w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-76-300x116.png 300w\" sizes=\"(max-width: 532px) 100vw, 532px\" \/><br \/>\nRepeated addition equations:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17338\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-77.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 77\" width=\"560\" height=\"243\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-77.png 560w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-77-300x130.png 300w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/p>\n<p>Classroom A: 5+5+5+5+5=25<br \/>\nClassroom B: 7+7+7+7=28<br \/>\nAnswer: Classroom B has more number of desks.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 9.<br \/>\nThe arrays show gardens of green and yellow pepper plants. Are there more green pepper plants or yellow pepper plants?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17339\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-78.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 78\" width=\"564\" height=\"138\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-78.png 564w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-78-300x73.png 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/p>\n<p>Answer: Green pepper plants<br \/>\nExplanation: There are 15 Green pepper plants and 12 Yellow pepper plants.<\/p>\n<h3><a id=\"Use_Arrays_Homework_&amp;_Practice_1.4\"><\/a>Use Arrays Homework &amp; Practice 1.4<\/h3>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17340\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-79.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 79\" width=\"301\" height=\"183\" \/><\/p>\n<p>Answer: 3 rows of 2<br \/>\n2+2+2=6<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17341\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-80.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 80\" width=\"212\" height=\"191\" \/><\/p>\n<p>Answer: 2 rows of 2<br \/>\n2+2=4<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17342\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-81.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 81\" width=\"603\" height=\"120\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-81.png 603w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-81-300x60.png 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/p>\n<p>Answer: 1 rows of 1<br \/>\n1+1+1+1=4<\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17343\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-82.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 82\" width=\"600\" height=\"103\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-82.png 600w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-82-300x52.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Answer: 3 rows of 6<br \/>\n6+6+6= 18<\/p>\n<p>Question 5.<br \/>\n<strong>Number Sense<\/strong><br \/>\nUse the array to complete the equation.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17344\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-83.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 83\" width=\"591\" height=\"67\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-83.png 591w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-83-300x34.png 300w\" sizes=\"(max-width: 591px) 100vw, 591px\" \/><\/p>\n<p>Answer: 6+6=12<\/p>\n<p>Question 6.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nThe arrays show toy cars. Are there more orange cars or blue cars?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17345\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-84.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 84\" width=\"594\" height=\"178\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-84.png 594w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-84-300x90.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/p>\n<p>Answer: Orange cars<br \/>\nExplanation: There are 16 orange cars and 15 blue cars.<\/p>\n<p>Question 7.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nThe arrays show a sheet of stickers separated into two pieces. How many rows and columns of stickers did the sheet have before it was separated?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17346\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-85.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 85\" width=\"594\" height=\"148\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-85.png 594w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-85-300x75.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/p>\n<p>Answer: 5 rows and 5 columns<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 8.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17347\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-86.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 86\" width=\"262\" height=\"193\" \/><\/p>\n<p>Answer: 6 flat surfaces<br \/>\n8 vertices<br \/>\n12 edges<\/p>\n<p>Question 9.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17349\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-87.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 87\" width=\"263\" height=\"182\" \/><\/p>\n<p>Answer: 0 flat surfaces<br \/>\n0\u00a0 vertices<br \/>\n0 edges<\/p>\n<h3><a id=\"Lesson_1.5_Make_Arrays\"><\/a>Lesson 1.5 Make Arrays<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Use counters to model the story. Write an addition equation to match.<\/p>\n<p>There are 4 rows of students. There are 3 students in each row. How many students are there in all?<\/p>\n<p>Addition equation:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-17348\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-87.1.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 87.1\" width=\"169\" height=\"49\" \/><\/p>\n<p>Answer: 12 students<br \/>\nExplanation: 3+3+3+3=12 students.<\/p>\n<p><strong><span style=\"font-size: 16px;\">Show and Grow<\/span><\/strong><\/p>\n<p>Question 1.<br \/>\nA photo album has 3 rows of photos. There are 2 photos in each row. How many photos are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17350\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-88.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 88\" width=\"145\" height=\"75\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17351\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-89.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 89\" width=\"315\" height=\"93\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-89.png 315w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-89-300x89.png 300w\" sizes=\"(max-width: 315px) 100vw, 315px\" \/><\/p>\n<p>Answer: 6 photos<br \/>\nExplanation: 2+2+2=6<\/p>\n<p>Question 2.<br \/>\nYou have 4 rows of stickers. There are 5 stickers in each row. How many stickers do you have in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17352\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-90.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 90\" width=\"425\" height=\"182\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-90.png 425w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-90-300x128.png 300w\" sizes=\"(max-width: 425px) 100vw, 425px\" \/><\/p>\n<p>Answer: 20 stickers<br \/>\nExplanation: 5+5+5+5=20<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Question 3.<br \/>\nAn ice cube tray has 5 rows. There are 2 ice cubes in each row. How many ice cubes are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17353\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-91.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 91\" width=\"89\" height=\"168\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17354\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-92.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 92\" width=\"486\" height=\"99\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-92.png 486w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-92-300x61.png 300w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/><\/p>\n<p>Answer: 10 ice cubes<br \/>\nExplanation: 2+2+2+2+2=10<\/p>\n<p>Question 4.<br \/>\nA bookcase has 3 shelves. There are 5 stuffed animals on each shelf. How many stuffed animals are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17355\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-93.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 93\" width=\"312\" height=\"182\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-93.png 312w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-93-300x175.png 300w\" sizes=\"(max-width: 312px) 100vw, 312px\" \/><\/p>\n<p>Answer: 15 stuffed animals<br \/>\nExplanation: 5+5+5=15 stuffed animals<\/p>\n<p>Question 5.<br \/>\nA closet has 4 shelves. There are 2 games on each shelf. How many games are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17356\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-94.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 94\" width=\"386\" height=\"169\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-94.png 386w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-94-300x131.png 300w\" sizes=\"(max-width: 386px) 100vw, 386px\" \/><\/p>\n<p>Answer: 8 games<br \/>\nExplanation: 2+2+2+2=8<\/p>\n<p>Question 6.<br \/>\n<strong>Structure<\/strong><br \/>\nMake an array to match the equation.<br \/>\n5 + 5 + 5 + 5 = 20<\/p>\n<p>Answer: <a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-lesson-1-5-6-answer-2\/\" rel=\"attachment wp-att-24045\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24045\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-Lesson-1.5-6-Answer-1.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-Lesson 1.5 (6)-Answer\" width=\"120\" height=\"98\" \/><\/a><\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p>A marching band has 3 equal rows of drummers. There are 15 drummers in all. How many drummers are in each row?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17357\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-95.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 95\" width=\"175\" height=\"107\" \/><br \/>\nModel:<br \/>\nRepeated addition equation:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17358\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-96.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 96\" width=\"291\" height=\"91\" \/><\/p>\n<p>Answer: 5 Drummers<br \/>\nExplanation: 5+5+5=15<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 7.<br \/>\nA quilt has 4 equal rows of patches. There are 24 patches in all. How many patches are in each row?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17301\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-97.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 97\" width=\"185\" height=\"182\" \/><\/p>\n<p>Answer: 6 patches<br \/>\nExplanation: 6+6+6+6=24<\/p>\n<p>Question 8.<br \/>\nA building has 3 equal rows of windows. There are 18 windows in all. How many columns are there?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17302\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-98.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 98\" width=\"385\" height=\"53\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-98.png 385w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-98-300x41.png 300w\" sizes=\"(max-width: 385px) 100vw, 385px\" \/><\/p>\n<p>Answer: 6 columns<br \/>\nExplanation: 3+3+3+3+3+3=18<\/p>\n<h3><a id=\"Make_Arrays_Homework_&amp;_Practice_1.5\"><\/a>Make Arrays Homework &amp; Practice 1.5<\/h3>\n<p>Question 1.<br \/>\nA parking lot has 3 rows. There are 5 parking spots in each row. How many parking spots are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17303\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-99.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 99\" width=\"323\" height=\"227\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-99.png 323w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-99-300x211.png 300w\" sizes=\"(max-width: 323px) 100vw, 323px\" \/><\/p>\n<p>Answer: 15 parking spots<br \/>\nExplanation: 5+5+5=15<\/p>\n<p>Question 2.<br \/>\nA bookcase has 4 shelves. There are 3 books on each shelf. How many books are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17304\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-100.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 100\" width=\"396\" height=\"197\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-100.png 396w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-100-300x149.png 300w\" sizes=\"(max-width: 396px) 100vw, 396px\" \/><\/p>\n<p>Answer: 12 books<br \/>\nExplanation: 3+3+3+3=12<\/p>\n<p>Question 3.<br \/>\n<strong>Reasoning<\/strong><br \/>\nNewton has 10 tokens. Which equations can Newton use to make an array with his tokens?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17305\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-101.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 101\" width=\"489\" height=\"100\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-101.png 489w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-101-300x61.png 300w\" sizes=\"(max-width: 489px) 100vw, 489px\" \/><\/p>\n<p>Answer: 2+2+2+2+2=10\u00a0 and 5+5=10<\/p>\n<p>Question 4.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nA theater has 4 equal rows of seats. There are 16 seats in all. How many seats are in each row?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17306\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-102.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 102\" width=\"139\" height=\"151\" \/><\/p>\n<p>Answer: 4 seats<br \/>\nExplanation: 4+4+4+4=16<\/p>\n<p>Question 5.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nA chorus has 5 equal rows of singers. There are 30 singers in all. How many singers are in each row?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17307\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-103.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 103\" width=\"157\" height=\"158\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-103.png 157w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-103-150x150.png 150w\" sizes=\"(max-width: 157px) 100vw, 157px\" \/><\/p>\n<p>Answer: 6 singers<br \/>\nExplanation: 6+6+6+6+6=30<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 6.<br \/>\nThere are 9 lions in all. How many lions are in the den?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17308\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-104.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 104\" width=\"550\" height=\"237\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-104.png 550w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-104-300x129.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/p>\n<p>Answer: 0 lions are in den.<br \/>\nExplanation: All 9 lions are outside the den. Therefore, 0 lions are in the den.<\/p>\n<h3><a id=\"Numbers_and_Arrays_Performance_Task\"><\/a>Numbers and Arrays Performance Task<\/h3>\n<p>Question 1.<br \/>\nYour art supplies are packaged in boxes as described below.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17309\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-105.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 105\" width=\"651\" height=\"170\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-105.png 651w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-105-300x78.png 300w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><br \/>\na. What do you have the most of ?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17310\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-106.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 106\" width=\"429\" height=\"39\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-106.png 429w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-106-300x27.png 300w\" sizes=\"(max-width: 429px) 100vw, 429px\" \/><\/p>\n<p>Answer: 16 Crayons<br \/>\nExplanation: Colored Pencils= 5+5+5=15<br \/>\nMarkers= 7+7=14<br \/>\nCrayons= 4+4+4+4=16<br \/>\nCrayons are more than Colored Pencils and Markers.<br \/>\nb. Do you have an even or an odd number of markers?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17311\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-107.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 107\" width=\"164\" height=\"40\" \/><\/p>\n<p>Answer: Even number of markers<\/p>\n<p>Question 2.<br \/>\na. You have 5 equal rows of paint bottles. You have 20 paint bottles in all. How many paint bottles are in each row?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17312\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-108.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 108\" width=\"146\" height=\"102\" \/><\/p>\n<p>Answer: 4 paint bottles are in each row.<br \/>\nb. You add another row of paint bottles. How many paint bottles do you have now?<br \/>\nAnswer: 24 paint bottles<br \/>\nc. Describe another way to arrange the paint bottles you have now.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17313\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-109.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 109\" width=\"193\" height=\"42\" \/><\/p>\n<p>Answer: 6+6+6+6=24 paint bottles<\/p>\n<h3><a id=\"Numbers_and_Arrays_Activity\"><\/a>Numbers and Arrays Activity<\/h3>\n<p><strong>Array Flip and Find<\/strong><\/p>\n<p><strong>To Play:<\/strong> Place the Array Flip and Find Cards face down in the boxes. Take turns \ufb02ipping two cards. If your cards show the same total, keep the cards. If your cards show different totals, \ufb02ip the cards back over. Play until all matches are made.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17314\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-110.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 110\" width=\"526\" height=\"578\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-110.png 526w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-110-273x300.png 273w\" sizes=\"(max-width: 526px) 100vw, 526px\" \/><\/p>\n<h3><a id=\"Numbers_and_Arrays_Chapter_Practice\"><\/a>Numbers and Arrays Chapter Practice<\/h3>\n<p><strong>1.1 Even and Odd Numbers<\/strong><\/p>\n<p>Question 1.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17315\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-111.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 111\" width=\"172\" height=\"180\" \/><\/p>\n<p>Answer:\u00a0 Odd number<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-111-answer\/\" rel=\"attachment wp-att-24030\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24030\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-111-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-111-Answer\" width=\"181\" height=\"198\" \/><\/a><br \/>\nExplanation: 5 cube part<\/p>\n<p>Question 2.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17316\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-112.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 112\" width=\"195\" height=\"183\" \/><\/p>\n<p>Answer: Even number<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-112-answer\/\" rel=\"attachment wp-att-24031\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24031\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-112-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-112-Answer\" width=\"203\" height=\"188\" \/><\/a><br \/>\nExplanation: 14 cube part<\/p>\n<p>Color cubes to show the number. Circle even or odd.<\/p>\n<p>Question 3.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17317\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-113.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 113\" width=\"160\" height=\"174\" \/><br \/>\nAnswer:<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-113-answer\/\" rel=\"attachment wp-att-24032\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24032\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-113-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-113-Answer\" width=\"219\" height=\"238\" \/><\/a><\/p>\n<p>Question 4.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17318\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-114.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 114\" width=\"240\" height=\"179\" \/><br \/>\nAnswer:<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-114-answer\/\" rel=\"attachment wp-att-24033\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24033\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-114-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-114-Answer\" width=\"252\" height=\"213\" \/><\/a><\/p>\n<p>Question 5.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nYou see an odd number of boats. There are more than 15 but fewer than 19 boats. How many boats do you see?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17319\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-115.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 115\" width=\"309\" height=\"131\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-115.png 309w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-115-300x127.png 300w\" sizes=\"(max-width: 309px) 100vw, 309px\" \/><\/p>\n<p>Show how you know:<\/p>\n<p>Answer: 17 boats<br \/>\nExplanation: Between 15 and 19 there is Odd number 17.<\/p>\n<p><strong>1.2 Model Even and Odd Numbers<\/strong><\/p>\n<p>Question 6.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17320\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-116.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 116\" width=\"217\" height=\"201\" \/><\/p>\n<p>Answer: 9=5+4<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-116-answer\/\" rel=\"attachment wp-att-24036\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24036\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-116-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-116-Answer\" width=\"173\" height=\"137\" \/><\/a><\/p>\n<p>Question 7.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17321\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-117.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 117\" width=\"261\" height=\"212\" \/><\/p>\n<p>Answer: 18=9+9<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-117-answer\/\" rel=\"attachment wp-att-24038\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24038\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-117-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-117-Answer\" width=\"216\" height=\"130\" \/><\/a><\/p>\n<p>Question 8.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17322\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-118.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 118\" width=\"236\" height=\"202\" \/><\/p>\n<p>Answer: 10=5+5<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-118-answer\/\" rel=\"attachment wp-att-24039\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24039\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-118-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-118-Answer\" width=\"161\" height=\"130\" \/><\/a><\/p>\n<p>Question 9.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17323\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-119.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 119\" width=\"224\" height=\"206\" \/><\/p>\n<p>Answer: 7+6=13<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-119-answer\/\" rel=\"attachment wp-att-24040\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-24040\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-119-Answer.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-119-Answer\" width=\"177\" height=\"131\" \/><\/a><\/p>\n<p><strong>1.3 Equal Groups<\/strong><\/p>\n<p>Question 10.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17324\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-120.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 120\" width=\"587\" height=\"126\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-120.png 587w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-120-300x64.png 300w\" sizes=\"(max-width: 587px) 100vw, 587px\" \/><\/p>\n<p>Answer: 4 groups of 2<br \/>\nAnswer: 4+4=8<\/p>\n<p>Question 11.<br \/>\nCircle groups of 3. Write a repeated addition equation.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17325\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-121.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 121\" width=\"608\" height=\"150\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-121.png 608w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-121-300x74.png 300w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><\/p>\n<p>Answer: 4 groups of 3<br \/>\nAnswer: 3+3+3+3=12<br \/>\n<a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-121-answer\/\" rel=\"attachment wp-att-24042\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-24042\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-121-Answer-300x51.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-121-Answer\" width=\"300\" height=\"51\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-121-Answer-300x51.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-121-Answer.png 412w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Question 12.<br \/>\n<strong>Structure<\/strong><br \/>\nShow two different ways to put the balls in equal groups.<br \/>\n<strong>One Way:<\/strong><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17326\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-122.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 122\" width=\"436\" height=\"44\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-122.png 436w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-122-300x30.png 300w\" sizes=\"(max-width: 436px) 100vw, 436px\" \/><br \/>\n<strong>Another Way:<\/strong><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17327\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-123.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 123\" width=\"430\" height=\"41\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-123.png 430w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-123-300x29.png 300w\" sizes=\"(max-width: 430px) 100vw, 430px\" \/><br \/>\nAnswer: <a href=\"https:\/\/ccssmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/big-ideas-math-answer-key-grade-2-chapter-1-numbers-and-arrays-122-answer\/\" rel=\"attachment wp-att-24043\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-24043\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-122-Answer-300x107.png\" alt=\"Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-122-Answer\" width=\"300\" height=\"107\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-122-Answer-300x107.png 300w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-122-Answer.png 349w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>1.4 Use Arrays<\/strong><\/p>\n<p>Question 13.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17328\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-124.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 124\" width=\"289\" height=\"202\" \/><\/p>\n<p>Answer: 3 rows of 2<br \/>\nAnswer: 2+2+2=6<\/p>\n<p>Question 14.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17381\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-125.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 125\" width=\"215\" height=\"208\" \/><\/p>\n<p>Answer: 2 rows of 4<br \/>\nAnswer: 4+4=8<\/p>\n<p>Question 15.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17382\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-126.png\" alt=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays 126\" width=\"593\" height=\"159\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-126.png 593w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-2-Chapter-1-Numbers-and-Arrays-126-300x80.png 300w\" sizes=\"(max-width: 593px) 100vw, 593px\" \/><\/p>\n<p>Answer: 5 rows of 3<br \/>\nAnswer: 3+3+3+3+3=15<\/p>\n<p>Question 16.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17329\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-127.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 127\" width=\"587\" height=\"129\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-127.png 587w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-127-300x66.png 300w\" sizes=\"(max-width: 587px) 100vw, 587px\" \/><\/p>\n<p>Answer: 4 rows of 5<br \/>\nAnswer: 5+5+5+5=20<\/p>\n<p><strong>1.5 Make Arrays<\/strong><\/p>\n<p>Question 17.<br \/>\nA cupboard has 4 shelves. There are 3 glasses on each shelf. How many glasses are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17359\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-128.png\" alt=\"Big Ideas Math Answers 2nd Grade Chapter 1 Numbers and Arrays 128\" width=\"405\" height=\"243\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-128.png 405w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-2nd-Grade-Chapter-1-Numbers-and-Arrays-128-300x180.png 300w\" sizes=\"(max-width: 405px) 100vw, 405px\" \/><\/p>\n<p>Answer: 12 glasses<br \/>\nAnswer: 3+3+3+3=12<\/p>\n<p>Question 18.<br \/>\nA bingo card has 5 rows. There are 5 squares in each row. How many squares are there in all?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17330\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-129.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 129\" width=\"478\" height=\"216\" srcset=\"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-129.png 478w, https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-129-300x136.png 300w\" sizes=\"(max-width: 478px) 100vw, 478px\" \/><\/p>\n<p>Answer: 25 squares<br \/>\nAnswer: 5+5+5+5+5=25<\/p>\n<p>Question 19.<br \/>\nModeling Real Life<br \/>\nA pet store has 5 equal rows of \ufb01sh tanks. There are 20 \ufb01sh tanks in all. How many \ufb01sh tanks are in each row?<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-17331\" src=\"https:\/\/ccssmathanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-2-Chapter-1-Numbers-and-Arrays-130.png\" alt=\"Big Ideas Math Answer Key Grade 2 Chapter 1 Numbers and Arrays 130\" width=\"212\" height=\"284\" \/><\/p>\n<p>Answer: 4 fish tanks<br \/>\nExplanation: 4+4+4+4+4=20<\/p>\n<p><em>Conclusion:<\/em><\/p>\n<p>We wish that the data provided in Big Ideas Math Book Grade 2 Chapter 1 Numbers and Arrays Answer Key is satisfactory for all students. This Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays is not only useful for the students but also for the parents. To clear your doubts, please write a comment in the below comment section. Stay tuned to our site bigideasmathanswers.com to get the answer key of other grades and grade 2 chapters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Big Ideas Math Answers 2nd Grade 1st Chapter Numbers and Arrays PDF is provided here. We have given the solutions to all the questions in Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays in pdf format. BIM Grade 2 Textbook Chapter 1 Numbers and Arrays Answer Key helps the students to complete &#8230; <a title=\"Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays\" class=\"read-more\" href=\"https:\/\/bigideasmathanswers.com\/big-ideas-math-answers-grade-2-chapter-1\/\" aria-label=\"More on Big Ideas Math Answers Grade 2 Chapter 1 Numbers and Arrays\">Read more<\/a><\/p>\n","protected":false},"author":11,"featured_media":89549,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[4],"tags":[],"jetpack_featured_media_url":"https:\/\/bigideasmathanswers.com\/wp-content\/uploads\/2021\/04\/Big-Ideas-Math-Answers-Grade-2-Chapter-1.png","_links":{"self":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/17284"}],"collection":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/comments?post=17284"}],"version-history":[{"count":1,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/17284\/revisions"}],"predecessor-version":[{"id":90385,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/posts\/17284\/revisions\/90385"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/media\/89549"}],"wp:attachment":[{"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/media?parent=17284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/categories?post=17284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bigideasmathanswers.com\/wp-json\/wp\/v2\/tags?post=17284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}