go math grade 5 chapter 1 homework answer key

• 888-309-8227
• 732-384-0146

New User Registration

Forgot Password

Go Math! Florida 5th Grade, Grade: 5 Publisher: Houghton Mifflin Harcourt

Go math florida 5th grade, title : go math florida 5th grade, publisher : houghton mifflin harcourt, isbn : 153802669, isbn-13 : 9780153802669, use the table below to find videos, mobile apps, worksheets and lessons that supplement go math florida 5th grade., textbook resources.

• Call us toll-free
• FAQs – Frequently Asked Questions
• Contact Lumos Learning – Proven Study Programs by Expert Teachers

Follow us: Lumos Learning -->

• 2024 © Lumos Learning
• Privacy Policy - Terms of Service - Disclaimers

PARCC® is a registered trademark of PARCC, Inc. Lumos Learning, is not owned by or affiliated in any fashion with PARCC, Inc... Read More

PARCC® is a registered trademark of PARCC, Inc. Lumos Learning, is not owned by or affiliated in any fashion with PARCC, Inc., the Partnership for the Assessment of Readiness for College and Careers, nor any state of the Union. Neither PARCC, Inc., nor The Partnership for the Assessment of Readiness for College and Careers, nor any member state has endorsed this product. No portion of any fees or charges paid for any products or services Lumos Learning offers will be paid or inure to the benefit of PARCC, Inc., or any state of the Union

SBAC is a copyright of The Regents of the University of California – Smarter Balanced Assessment Consortium, which is not aff... Read More

SBAC is a copyright of The Regents of the University of California – Smarter Balanced Assessment Consortium, which is not affiliated to Lumos Learning. The Regents of the University of California – Smarter Balanced Assessment Consortium, was not involved in the production of, and does not endorse these products or this site.

ACT® Aspire™ is a registered trademark of ACT Aspire LLC., which is not affiliated to Lumos Learning. ACT Aspire LLC, was not... Read More

ACT® Aspire™ is a registered trademark of ACT Aspire LLC., which is not affiliated to Lumos Learning. ACT Aspire LLC,was not involved in the production of, and does not endorse these products or this site.

Florida Department of Education is not affiliated to Lumos Learning. Florida department of education, was not involved in the... Read More

Florida Department of Education is not affiliated to Lumos Learning. Florida department of education, was not involved in the production of, and does not endorse these products or this site.

Indiana Department of Education is not affiliated to Lumos Learning. Indiana department of education, was not involved in the... Read More

Indiana Department of Education is not affiliated to Lumos Learning. Indiana department of education, was not involved in the production of, and does not endorse these products or this site.

Mississippi Department of Education is not affiliated to Lumos Learning. Mississippi department of education, was not involved... Read More

Mississippi Department of Education is not affiliated to Lumos Learning. Mississippi department of education, was not involved in the production of, and does not endorse these products or this site.

Ohio Department of Education is not affiliated to Lumos Learning. Ohio department of education, was not involved in the prod... Read More

Ohio Department of Education is not affiliated to Lumos Learning. Ohio department of education, was not involved in the production of, and does not endorse these products or this site.

Tennessee Department of Education is not affiliated to Lumos Learning. Tennessee department of education, was not involved... Read More

Tennessee Department of Education is not affiliated to Lumos Learning. Tennessee department of education, was not involved in the production of, and does not endorse these products or this site.

Georgia Department of Education is not affiliated to Lumos Learning. Georgia department of education, was not involved... Read More

Georgia Department of Education is not affiliated to Lumos Learning. Georgia department of education, was not involved in the production of, and does not endorse these products or this site.

Missouri Department of Education is not affiliated to Lumos Learning. Missouri department of education, was not involved... Read More

Missouri Department of Education is not affiliated to Lumos Learning. Missouri department of education, was not involved in the production of, and does not endorse these products or this site.

Louisiana Department of Education is not affiliated to Lumos Learning. Louisiana department of education, was not involved... Read More

Louisiana Department of Education is not affiliated to Lumos Learning. Louisiana department of education, was not involved in the production of, and does not endorse these products or this site.

Report an Error

• Texas Go Math
• Big Ideas Math
• Engageny Math
• McGraw Hill My Math
• enVision Math
• 180 Days of Math
• Math in Focus Answer Key
• Math Expressions Answer Key
• Privacy Policy

Go Math Grade 6 Answer Key of All Chapters | Middle School Grade 6 Solutions Key

Go Math Grade 6 Answer Key: In Today’s World learning has become demanding than ever before. Finding a reliable source has become a tedious task for anyone out there who wants to upgrade their skills. Sharpen your Math Skills taking the help of 6th Grade Go Math Middle School Solutions Key en route to your math Journey. Middle School Go Math Grade 6 Solutions Key includes Worked Out Solutions for all the Problems in Go Math Textbooks.

Access the Chapterwise Solutions for all the Questions in your Grade 6 Go Math Textbooks and make your learning effective. Grade 6 HMH Go Math Answer Keys develops mathematical understanding among students and also creates interest in the subject. With consistent practice, you can learn and clear the standard tests with flying colors.

Grade 6th Go Math Answer Key

All the solutions of Middle School Go Math Books for Grade 6 are prepared by subject experts. Go Math Books prevailing for 6th Standard are prepared to meet both the content and intent of Middle School. You can witness the Mathematical Concepts explained in a concise manner making it easier for you to have a good grip on the subject. HMH Go Math Grade 6 Answer Key includes the solved examples and practice questions to strengthen your Mathematical Concepts.

Grade 6 HMH Go Math – Answer Keys

• Chapter 1: Divide Multi-Digit Numbers
• Chapter 2: Fractions and Decimals
• Chapter 3: Understand Positive and Negative Numbers
• Chapter 4: Model Ratios
• Chapter 5: Model Percents
• Chapter 6: Convert Units of Length
• Chapter 7: Exponents
• Chapter 8: Solutions of Equations
• Chapter 9: Independent and Dependent Variables
• Chapter 10: Area of Parallelograms
• Chapter 11: Surface Area and Volume
• Chapter 12: Data Displays and Measures of Center
• Chapter 13: Variability and Data Distributions

Grade 6 McGraw Hill Glencoe – Answer Keys

• Chapter 1: Ratios and Rates
• Chapter 2: Fractions, Decimals, and Percents
• Chapter 3: Compute with Multi-Digit Numbers
• Chapter 4: Multiply and Divide Fractions
• Chapter 5: Integers and Coordinate Plane
• Chapter 6: Expressions
• Chapter 7: Equations
• Chapter 8: Functions and Inequalities
• Chapter 9: Area
• Chapter 10: Volume and Surface Area
• Chapter 11: Statistical Measures
• Chapter 12: Statistical Display

Go Math Middle School Grade 6 Answer Key of all Chapters

Avail Grade 6 Solutions provided over here and understand the concepts in a better way.  Identify the Knowledge Gap and allot time to the areas you feel difficult. Detailed description provided in the Go Math Grade 6th Solutions Key reflects more of the topics in your Middle School Textbooks. You can use them during your Homework or while preparing for Tests. Tap on the respective chapter you wish to practice and clarify all your concerns at one go.

Why to read Go Math 6th Std. Solutions Key?

There are plenty of benefits that come with solving the Go Math 6th Standard Answer Key. Refer to them and know the need of practicing through Grade 6 HMH Go Math Answer Key. They are as follows

• Go Math Answer Key for Grade 6 ensures success for every learner.
• Middle School Go Math Solutions Key makes learning easier for both Students and Teachers.
• Elaborate Explanation provided to all the Math Practice Problems helps you enhance your subject knowledge.
• Go Math Grade 6 Answer Key lays a stronger foundation of Fundamentals of your Mathematical Concepts.

FAQs on Grade 6 Go Math Answer Key

1.  Where Can I get Go Math Grade 6 Answer Key PDF?

You can get Go Math Grade 6th Answer Key PDF for all the chapters on our page.

2. Which Website offers the best resources on Go Math Grade 6 Answer Key?

ccssmathanswers.com is a trustworthy site for all your needs and provides reliable information on Go Math Answer Key for Class 6th. Take your preparation to the next level and score better grades in your exams.

3. Where can I find Chapterwise Solutions of Go Math 6th Grade Problems?

You can find the Go Math 6th Std Solutions Key of all Chapters on our page. Simply prepare the Chapter you want to access through the direct links and learn accordingly.

4. How to Learn 6th Grade Math Concepts easily?

Learning concepts from the Go Math Middle School Answer Key for Grade 6 makes you familiar with a variety of questions. Thereby, you can prepare effectively and clear your tests with higher grades.

Leave a Comment Cancel Reply

You must be logged in to post a comment.

• Texas Go Math
• Big Ideas Math
• enVision Math
• EngageNY Math
• McGraw Hill My Math
• 180 Days of Math
• Math in Focus Answer Key
• Math Expressions Answer Key
• Privacy Policy

Go Math Grade 1 Chapter 5 Answer Key Pdf Addition and Subtraction Relationships

Go Math Grade 1 Chapter 5 Answer Key Pdf: Are you looking for help on Go Math Grade 1 Chapter 5 Answer Key Addition and Subtraction Relationships? If so you have arrived at the right place and you can get the Homework Help needed and finish your assignments in no time. Make use of the Topicwise Go Math First Grade Chapter 5 Addition and Subtraction Strategies Relationships via quick links and begin your practice right away. Detailed Solutions provided in the Go Math Grade 1 Answer Key Ch 5 Addition and Subtraction Relationships makes it easy for you to understand the concepts.

Addition and Subtraction Relationships Go Math Grade 1 Chapter 5 Answer Key Pdf

HMH Go Math First Grade Chapter 5 Addition and Subtraction Relationships Answers provided are as per the latest Common Core Curriculum. First Grade Go Math Ch 5 Solution Key includes Questions from Chapter Tests, Review Tests, Assessment Tests, Lessons, etc. All you have to do is just tap on the quick links available to access the respective topics within the Chapter 5 Addition and Subtraction Relationships. Download the Go Math Grade 1 Chapter 5 Addition and Subtraction Strategies PDF for free of cost.

Addition and Subtraction Relationships

• Addition and Subtraction Relationships Show What You Know – Page 252
• Addition and Subtraction Relationships Vocabulary Builder – Page 253
• Addition and Subtraction Relationships Game: Add to Subtract Bingo – Page 254
• Addition and Subtraction Relationships Vocabulary Game – Page(254A-254B)

Lesson: 1 Problem Solving • Add or Subtract

• Lesson 5.1 Problem Solving • Add or Subtract – Page(255-260)
• Problem Solving • Add or Subtract Homework & Practice 5.1 – Page(259-260)

Lesson: 2 Record Related Facts

• Lesson 5.2 Record Related Facts – Page(261-266)
• Record Related Facts Homework & Practice 5.2 – Page(265-266)

Lesson: 3 Identify Related Facts

• Lesson 5.3 Identify Related Facts – Page(267-272)
• Identify Related Facts Homework & Practice 5.3 – Page(271-272)

Lesson: 4 Use Addition to Check Subtraction

• Lesson 5.4 Use Addition to Check Subtraction – Page(273-278)
• Use Addition to Check Subtraction Homework & practice 5.4 – Page(277-278)

Mid-Chapter Checkpoint

• Addition and Subtraction Relationships Mid-Chapter Checkpoint – Page 276

Lesson: 5 Algebra • Unknown Numbers

• Lesson 5.5 Algebra • Unknown Numbers – Page(279-284)
• Algebra • Unknown Numbers Homework & Practice 5.5 – Page(283-284)

Lesson: 6 Algebra • Use Related Facts

• Lesson 5.6 Algebra • Use Related Facts – Page(285-290)
• Algebra • Use Related Facts Homework & practice 5.6 – Page(289-290)

Lesson: 7 Choose an Operation

• Lesson 5.7 Choose an Operation – Page(291-296)
• Choose an Operation Homework & Practice 5.7 – Page(295-296)

Lesson: 8 Algebra • Ways to Make Numbers to 20

• Lesson 5.8 Algebra • Ways to Make Numbers to 20 – Page(297-302)
• Algebra • Ways to Make Numbers to 20 Homework & practice 5.8 – Page(301-302)

Lesson: 9 Algebra • Equal and Not Equal

• Lesson 5.9 Algebra • Equal and Not Equal – Page(303-308)
• Algebra • Equal and Not Equal Homework & practice 5.9 – Page(307-308)

Lesson: 10 Facts Practice to 20

• Lesson 5.10 Facts Practice to 20 – Page(309-314)
• Facts Practice to 20 Homework & Practice 5.10 – Page(313-314)
• Addition and Subtraction Relationships Chapter 5 Review/Test – Page(315-318)

Answer: The number of times children tab the bell = 13 times.

Explanation: In the above-given question, given that, Children tap the liberty bell 4 times. Then they tap it 9 more times. 4 + 9 = 13. The number of times children tap the bell = 13 times.

Addition and Subtraction Relationships Show What You Know

Add in Any Order

Answer: The number of cubes = 4.

Count On Use the number line to add. Write each sum.

Question 2. 6 + 3 = _9_

Answer: The sum of 6 and 3 = 9.

Explanation: In the above-given question, given that, the numbers are 6 and 3. 6 + 3 = 9. the sum of 6 and 3 = 9.

Question 3. 7 + 1 = _8_

Answer: The sum of 7 and 1 = 8.

Explanation: In the above-given question, given that, the numbers are 7 and 1. 7 + 1 = 8. the sum of 7 and 1 = 8.

Question 4. 8 + 2 = _10_

Answer: The sum of 8 and 2 = 10.

Explanation: In the above-given question, given that, the numbers are 8 and 2. 8 + 2 = 10. the sum of 8 and 2 = 10.

Question 5. 11 – 2 = _9_

Answer: The difference of 11 and 2 = 9.

Explanation: In the above-given question, given that, the numbers are 11 and 2. 11 – 2 = 9. the difference of 11 and 2 = 9.

Question 6. 8 – 3 = _5_

Answer: The difference of 8 and 3 = 5.

Explanation: In the above-given question, given that, the numbers are 8 and 3. 8 – 3 = 5. the difference of 8 and 3 = 5.

Question 7. 9 – 1 = _8_

Answer: The difference of 9 and 1 = 8.

Explanation: In the above-given question, given that, the numbers are 9 and 1. 9 – 1 = 8. the difference of 9 and 1 = 8.

Addition and Subtraction Relationships Vocabulary Builder

Understand Vocabulary

Follow the directions.

Question 2. What is the sum? _10_

Question 4. What is the difference? _5__

Addition and Subtraction Relationships Game: Add to Subtract Bingo

Explanation: In the above-given question, given that, totally there are 16 cards. so each player gets 8 cards. I am picking the subtraction card. 8 – 3 = 5.

Addition and Subtraction Relationships Vocabulary Game

Materials 4 sets of word cards

How to Play Play with two other players.

• Mix the cards. Give 5 cards to each player. Put the rest in a pile face-down.
• If the player has the word, he or she gives the card to you.
• If the player does not have the word, he or she says, “Go fish.” Take a card from the pile.
• Take turns.
• When there are no more word cards in the pile, find all the words matched words in your cards. The player with the most matches wins.

The sum of 8 and 3 = 11.

Explanation: In the above-given question, given that, totally there are 10 cards. so each player gets 85 cards. I am picking the Addition card. 8 + 3 = 11.

The Write Way

Answer: The sum of 3 and 5 = 6 and 2.

Lesson 5.1 Problem Solving • Add or Subtract

Essential Question How can making a model help you solve a problem?

There are 16 turtles on the beach. Some swim away. Now there are 9 turtles on the beach. How many turtles swim away?

Answer: The number of turtles swims away = 7.

Explanation: In the above-given question, given that, There are 16 turtles on the beach. some swim away. Now there are 9 turtles on the beach. 16 – 9 = 7.

Unlock the Problem

Try Another Problem

Answer: The number of rabbits that come to the garden  = 8.

Answer: The number of birds that fly away  = 5.

Math Talk MATHEMATICAL PRACTICES Model Explain how to find the missing number.

Share and Show MATH BOARD

Make a model to solve.

Answer: The number of ducks still in the pond = 10.

Answer: The number of eagles was in the trees to start = 9.

Answer: The number of squirrels that come to the park =  8.

On Your Own WRITE Math

MATHEMATICAL PRACTICE Represent a Problem Solve. Draw or write to show your work.

Answer: The number of flowers that are yellow =  8.

Answer: The number of small dollars =  7.

Question 8. THINK SMARTER Sam has 3 more books than Ed. Sam has 8 books. How many books does Ed have? _5_ books

Answer: The number of books Ed has = 5.

Explanation: In the above-given question, given that, Sam has 3 more books than Ed. Sam has 8 books. 8 – 3 = 5. The number of books Ed has = 5.

Answer: The number of eggs hatch = 2.

TAKE HOME ACTIVITY • Ask your child to look at Exercise 7 and use the number 18 as the total number of sand dollars. Then have your child write a number sentence.

Answer: The number of small dollars =  9.

Explanation: In the above-given question, given that, Cindy has 18 sand dollars. she has the same number of large and small dollars. 9 + 9 = 18. The number of small dollars = 18.

Problem Solving • Add or Subtract Homework & Practice 5.1

Add or Subtract

Answer: The number of new stickers =  8.

Answer: The number of toy bears did she buy =  6.

Answer: The number of books did he have to start = 10.

Lesson Check

Use the model to solve.

Answer: The number of animals that are fuzzy = 8.

Spiral Review

Question 2. Count back 1, 2, or 3. Write the difference. _8_ = 11 – 3

Answer: The difference of 11 and 3 = 8.

Explanation: In the above-given question, given that, the numbers are 11 and 3. 11 – 3 = 8. the difference of 11 and 3 = 8.

Answer: The difference of 11 and 1 = 10.

Explanation: In the above-given question, given that, the numbers are 11 and 1. 11 – 1 = 10. the difference of 11 and 1 = 10.

Answer: The sum of 5 and 5 = 10.

Lesson 5.2 Record Related Facts

Essential Question How do related facts help you find missing numbers?

Listen and Draw

Answer: The sum of 8 and 3 = 11.

Math Talk Use Tools Explain how your model helps you write your number sentence.

Answer: The sum of 8 and 7 = 15.

Explanation: In the above-given question, given that, the numbers are 8 and 7. 8 + 7 = 15. the sum of 8 and 7 = 15.

Answer: The difference of 15 and 7 = 8.

Answer: The sum of 5 and 9 = 14.

Explanation: In the above-given question, given that, the numbers are 9 and 5. 9 + 5 = 14. the sum of 5 and 9 = 14.

Answer: The difference of 14 and 9 = 5.

Answer: The sum of 7 and 6 = 13.

Explanation: In the above-given question, given that, the numbers are 7 and 6. 7 + 6 = 13. the sum of 7 and 6 = 13.

Answer: The difference of 13 and 6 = 7.

On Your Own

MATHEMATICAL PRACTICE

Answer: The sum of 5 and 8 = 13.

Explanation: In the above-given question, given that, the numbers are 8 and 5. 8 + 5 = 13. the sum of 5 and 8 = 13.

Answer: The difference of 13 and 5 = 8.

Answer: The sum of 8 and 9 = 17.

Explanation: In the above-given question, given that, the numbers are 9 and 8. 9 + 8 = 17. the sum of 8 and 9 = 17.

Answer: The difference of 17 and 8 = 9.

Answer: The sum of 6 and 9 = 15.

Explanation: In the above-given question, given that, the numbers are 9 and 6. 9 + 6 = 15. the sum of 6 and 9 = 15.

Answer: The difference of 15 and 6 = 9.

Question 7. THINK SMARTER Circle the number sentence that has a mistake. Correct it to complete the related facts. 7 + 9 = 16 16 + 9 = 7 9 + 7 = 16 16 – 7 =9

Answer: The number sentence that has a mistake is 16 + 9 = 7.

Problem Solving • Applications

Answer: The related fact = 9 – 6 = 3.

TAKE HOME ACTIVITY • Write an addition fact. Ask your child to write three other related facts.

Record Related Facts Homework & Practice 5.2

Answer: The sum of 8 and 4 = 12.

Explanation: In the above-given question, given that, the numbers are 4 and 8. 4 + 8 = 12. the sum of 8 and 4 = 12.

Answer: The difference of 12 and 8 = 4.

Answer: The sum of 5 and 4 = 9.

Explanation: In the above-given question, given that, the numbers are 5 and 4. 5 + 4 = 9. the sum of 5 and 4 = 9.

Answer: The difference of 9 and 4 = 5.

Problem Solving

Choose a way to solve. Write or draw to explain.

Answer: The number of apples still on the tree =  16.

Answer: The sum of 7 and 4 = 11.

Explanation: In the above-given question, given that, the numbers are 7 and 4. 7 + 4 = 11. the sum of 7 and 4 = 11.

Answer: The difference of 11 and 7 = 4.

Question 2. Complete the subtraction sentence. 6 – 6 = _0_

Answer: The difference of 6 and 6 = 0.

Explanation: In the above-given question, given that, the numbers are 6 and 6. 6 – 6 = 0. the difference of 6 and 6 = 0.

Question 3. Write an addition sentence that helps you solve 15 − 9 _6_ + _9_ = _15_

Answer: The difference of 15 and 9 = 6.

Explanation: In the above-given question, given that, the numbers are 15 and 9. 15 – 9 = 6. the difference of 15 and 9 = 6.

Lesson 5.3 Identify Related Facts

Essential Question How do you know if addition and subtraction facts are related?

Answer: The difference of 9 and 13 = 4.

Math Talk MATHEMATICAL PRACTICES Look for Structure Why is your subtraction sentence related to 4 + 9 = 13?

Explanation: In the above-given question, given that, the numbers are 9 and 13. 13 – 9 = 4. the difference of 13 and 9 = 4.

Add and subtract. Circle the related facts

Question 1. 6 + 4 = _10_ 10 – 4 =_6_

Answer: The sum of 6 and 4 = 10.

Explanation: In the above-given question, given that, the numbers are 4 and 6. 4 + 6 = 10. the sum of 6 and 4 = 10.

Answer: The difference of 10 and 4 = 6.

Question 2. _17_ = 9 + 8 _9_ = 17 – 8

Question 3. 9 + 5 = _14_ 9 – 5 = _4_

Answer: The sum of 9 and 5 = 14.

Explanation: In the above-given question, given that, the numbers are 9 and 5. 9 + 5 = 14. the sum of 9 and 5 = 14.

Answer: The difference of 9 and 5 = 4.

Explanation: In the above-given question, given that, the numbers are 9 and 5. 9 – 5 = 4. the difference of 9 and 5 = 4.

Question 4. 8 + 7 = _15_ 15 – 7 = _8_

Explanation: In the above-given question, given that, the numbers are 7 and 8. 7 + 8 = 15. the sum of 8 and 7 = 15.

Question 5. _11_ = 9 + 2 _7_ = 9 – 2

Answer: The sum of 9 and 2 = 11.

Explanation: In the above-given question, given that, the numbers are 9 and 2. 9 + 2 = 11. the sum of 9 and 2 = 11.

Answer: The difference of 9 and 2 = 7.

Explanation: In the above-given question, given that, the numbers are 9 and 2. 9 – 2 = 7. the difference of 9 and 2 = 7.

Question 6. 6 + 3 = _9_ 12 – 3 = _9_

Answer: The difference of 12 and 3 = 9.

Explanation: In the above-given question, given that, the numbers are 12 and 3. 12 – 3 = 9. the difference of 12 and 3 = 9.

Question 7. 4 + 8 = _12_ 12 – 8 = _4_

Question 8. _13_ = 7 + 6 _7_ = 13 – 6

Explanation: In the above-given question, given that, the numbers are 13 and 6. 13 – 6 = 7. the difference of 13 and 6 = 7.

Question 9. 9 + 9 = _18_ 18 – 9 = _9_

Answer: The sum of 9 and 9 = 18.

Explanation: In the above-given question, given that, the numbers are 9 and 9. 9 + 9 = 18. the sum of 9 and 9 = 18.

Answer: The difference of 18 and 9 = 9.

Answer: The difference of 8 and 4 = 4.

Explanation: In the above-given question, given that, the numbers are 8 and 4. 8 – 4 = 4. the difference of 8 and 4 = 4.

Explanation: In the above-given question, given that, the numbers are 17 and 8. 17 – 8 = 9. the difference of 17 and 8 = 9.

Answer: The sum of 10 and 10 = 20.

Explanation: In the above-given question, given that, the numbers are 10 and 10. 10 + 10 = 20. the sum of 10 and 10 = 20.

Answer: The difference of 20 and 10 = 10.

Explanation: In the above-given question, given that, the numbers are 20 and 10. 20 – 10 = 10. the difference of 20 and 10 = 10.

Answer: The sum of 9 and 4 = 13.

Explanation: In the above-given question, given that, the numbers are 4 and 9. 4 + 9 = 13. the sum of 9 and 4 = 13.

Answer: The difference of 13 and 4 = 8.

Problem Solving • Applications WRITE Math

Explanation: In the above-given question, given that, the numbers are 4 and 5. 4 + 5 = 9. the sum of 5 and 4 = 9.

Answer: The sum of 5 and 7 = 12.

Explanation: In the above-given question, given that, the numbers are 5 and 7. 5 + 7 = 12. the sum of 5 and 7 = 12.

Answer: The difference of 12 and 7 = 5.

Answer: The sum of 8 and 5 = 13.

Explanation: In the above-given question, given that, the numbers are 5 and 8. 5 + 8 = 13. the sum of 8 and 5 = 13.

Answer: The difference of 13 and 8 = 5.

Answer: Yes, they are related facts.

Answer: In the above-given question, given that, the numbers are 13 – 8 = 5. 5 + 8 = 13. Yes, they are related facts.

TAKE HOME ACTIVITY • Write 7, 9, 16, +, −, and = on separate slips of paper. Have your child use the slips of paper to show related facts.

Answer: The sum of 7 and 9 = 16.

Explanation: In the above-given question, given that, the numbers are 7 and 9. 7 + 9 = 16. the sum of 7 and 9 = 16.

Answer: The difference of 16 and 9 = 7.

Explanation: In the above-given question, given that, the numbers are 16 and 9. 16 – 9 = 7. the difference of 16 and 9 = 7.

Identify Related Facts Homework & Practice 5.3

Add and subtract. Circle the related facts.

Question 1. 5 + 6 = _11_ 11 – 6 = _5_

Answer: The sum of 6 and 5 = 11.

Explanation: In the above-given question, given that, the numbers are 5 and 6. 5 + 6 = 11. the sum of 6 and 5 = 11.

Answer: The difference of 11 and 6 = 5.

Go Math Grade 1 Chapter 5 Pdf Lesson 3 Homework 5.1 Answer Key Question 2. 4 + 9 = _13_ 9 – 4 = _5_

Answer: The sum of 4 and 9 = 13.

Explanation: In the above-given question, given that, the numbers are 4 and 9. 4 + 9 = 13. the sum of 4 and 9 = 13.

Explanation: In the above-given question, given that, the numbers are 9 and 4. 9 – 4 = 5. the difference of 9 and 4 = 5.

Question 3. 4 + 7 = _11_ 11 – 7 = _4_

Question 4. 9 + 8 = _17_ 17 – 8 = _9_

Question 5. 5 + 7 = _12_ 7 – 5 = _2_

Answer: The sum of 7 and 5 = 12.

Explanation: In the above-given question, given that, the numbers are 5 and 7. 5 + 7 = 12. the sum of 7 and 5 = 12.

Answer: The difference of 7 and 5 = 2.

Explanation: In the above-given question, given that, the numbers are 7 and 5. 7 – 5 = 2. the difference of 7 and 5 = 2.

Question 6. 6 + 8 = _14_ 14 – 8 = _6_

Answer: The sum of 8 and 6 = 14.

Explanation: In the above-given question, given that, the numbers are 6 and 8. 6 + 8 = 14. the sum of 8 and 6 = 14.

Answer: The difference of 14 and 8 = 6.

Answer: The difference of 15 and 8 = 7.

Answer: The number of fewer leaves = 1.

5.4 Use Addition to Check Subtraction

Essential Question How can you use addition to check subtraction?

Draw and write to solve the problem.

Math Talk MATHEMATICAL PRACTICES Look for Structure Does Erin get all her books back? Use the number sentences to explain how you know.

Subtract. Then add to check your answer.

Answer: The difference of 13 and 7 = 6.

Explanation: In the above-given question, given that, the numbers are 13 and 7. 13 – 7 = 6. the difference of 13 and 7 = 6.

Answer: The sum of 6 and 7 = 13.

Answer: The difference of 14 and 5 = 9.

Explanation: In the above-given question, given that, the numbers are 14 and 5. 14 – 5 = 9. the difference of 14 and 5 = 9.

Answer: The difference of 12 and 5 = 7.

Explanation: In the above-given question, given that, the numbers are 12 and 5. 12 – 5 = 7. the difference of 12 and 5 = 7.

Answer: The difference of 17 and 9 = 8.

Explanation: In the above-given question, given that, the numbers are 17 and 9. 17 – 9 = 8. the difference of 17 and 9 = 8.

MATHEMATICAL PRACTICE Look for Structure Subtract. Then add to check your answer.

Answer: The difference of 13 and 9 = 7.

Explanation: In the above-given question, given that, the numbers are 13 and 9. 13 – 9 = 7. the difference of 13 and 9 = 7.

Answer: The sum of 9 and 7 = 13.

Answer: The number of sand dollars is not broken = 8.

Answer: The number of red balloons = 6.

TAKE HOME ACTIVITY • Write 11 − 7 = ☐ on a sheet of paper. Ask your child to find the difference and then write an addition sentence he or she can use to check the subtraction.

Explanation: In the above-given question, given that, the numbers are 11 and 7. 11 – 7 = 4. the difference of 11 and 7 = 4.

Use Addition to Check Subtraction Homework & Practice 5.4

Answer: The difference of 12 and 4 = 8.

Explanation: In the above-given question, given that, the numbers are 12 and 4. 12 – 4 = 8. the difference of 12 and 4 = 8.

Question 3. There are 13 grapes in a bowl. Justin ate some of them. Now there are only 7 grapes left. How many grapes did Justin eat? _13_ – _7_ = _6_ _13_ – _6_ = _7_ _6_ grapes

Answer: The number of grapes Justin eats = 6.

Explanation: In the above-given question, given that, There are 13 grapes in a bowl. Justin ate some of them. Now there are only 7 grapes left. 13 – 7 = 6. The number of grapes Justin eats = 6.

Answer: The difference of 12 and 9 = 3.

Explanation: In the above-given question, given that, the numbers are 12 and 9. 12 – 9 = 3. the difference of 12  and 9 = 3.

Answer: The sum of 9 and 3 = 11.

Question 1. Subtract. Then add to check your answer. 11 – 3 = ☐ _8_ + _3_ = _11__

Explanation: In the above-given question, given that, the numbers are 8 and 3. 8 + 3 = 11. the sum of 8 and 3 = 11.

Go Math 1st Grade Chapter 5 Test Question 2. Subtract. Then add to check your answer. 12 – 8 = ☐ _8_ + _4_ = __12_

Explanation: In the above-given question, given that, the numbers are 12 and 8. 12 – 8 = 4. the difference of 12 and 8 = 4.

Explanation: In the above-given question, given that, the numbers are 8 and 4. 8 + 4 = 12. the sum of 8 and 4 = 12.

Answer: The number of big peaches = 6.

Addition and Subtraction Relationships Mid-Chapter Checkpoint

Answer: The sum of 6 and 8 = 14.

Explanation: In the above-given question, given that, the numbers are 6 and 8. 6 + 8 = 14. the sum of 6 and 8 = 14.

Answer: The sum of 7 and  6 = 11.

Explanation: In the above-given question, given that, the numbers are 7 and 6. 7 + 6 = 11. the sum of 7 and 6 = 11.

Answer: The difference of 11 and 6 = 7.

Question 3. 9 + 3 = _12_ 9 – 3 = _6_

Answer: The sum of 9 and 3 = 12.

Explanation: In the above-given question, given that, the numbers are 9 and 3. 9 + 3 = 12. the sum of 9 and 3 = 12.

Answer: The difference of 9 and 3 = 6.

Explanation: In the above-given question, given that, the numbers are 9 and 3. 9 – 3 = 6. the difference of 9 and 3 = 6.

Question 4. 7 + 8 = _15_ 15 – 8 = _7_

Answer: The sum of 7 and 8 = 15.

Explanation: In the above-given question, given that, the numbers are 7 and 8. 7 + 8 = 15. the sum of 7 and 8 = 15.

Question 5. _11_ = 6 + 5 _1_ = 6 – 5

Explanation: In the above-given question, given that, the numbers are 6 and 5. 6 + 5 = 11. the sum of 6 and 5 = 11.

Answer: The difference of 6 and 5 = 1.

Explanation: In the above-given question, given that, the numbers are 6 and 5. 6 – 5 = 1. the difference of 6 and 5 = 1.

Lesson 5.5 Algebra • Unknown Numbers

Essential Question How can you use a related fact to find an unknown number?

Math Talk MATHEMATICAL PRACTICES Describe How many toy cars are blue? Explain how you got your answer

Question 1. 8 + ☐ = 15 15 – 8 = ☐

Explanation: In the above-given question, given that, the numbers are 15 and 8. 15 – 8 = 7. the difference of 15 and 8 = 7.

Question 2. 13 = 9 + ☐ ☐ = 13 – 9

Explanation: In the above-given question, given that, the numbers are 9 and 4. 9 + 4 = 13. the sum of 9 and 4 = 13.

Answer: The difference of 13 and 9 = 4.

Explanation: In the above-given question, given that, the numbers are 13 and 9. 13 – 9 = 4. the difference of 13 and 9 = 4.

Question 3. 5 + ☐ = 14 14 – 5 = ☐

Explanation: In the above-given question, given that, the numbers are 5 and 9. 5 + 9 = 14. the sum of 5 and 9 = 14.

Go Math Grade 1 Chapter 5 Test Pdf Lesson 5 Homework 5.6 Answer Key Question 4. 14 = 6 + ☐ ☐ = 14 – 6

Answer: The sum of 6 and 9 = 14.

Explanation: In the above-given question, given that, the numbers are 6 and 9. 6 + 9 = 14. the sum of 6 and 9 = 14.

Answer: The difference of 14 and 6 = 9.

Explanation: In the above-given question, given that, the numbers are 14 and 6. 14 – 6 = 9. the difference of 14 and 6 = 9.

Question 5. 9 + ☐ = 16 16 – 9 = ☐

Answer: The sum of 9 and 7 = 16.

Explanation: In the above-given question, given that, the numbers are 9 and 7. 9 + 7 = 16. the sum of 9 and 7 = 16.

Question 6. 17 = 8 + ☐ ☐ = 17 – 8

Explanation: In the above-given question, given that, the numbers are 8 and 9. 8 + 9 = 17. the sum of 8 and 9 = 17.

Question 7. 7 + ☐ = 15 15 – 7 = ☐

Explanation: In the above-given question, given that, the numbers are 15 and 7. 15 – 7 = 8. the difference of 15 and 7 = 8.

Question 8. 5 + ☐ = 11 11 – 5 = ☐

Answer: The sum of 5 and 6 = 11.

Explanation: In the above-given question, given that, the numbers are 5 and 6. 5 + 6 = 11. the sum of 5 and 6 = 11.

Answer: The difference of 11 and 5 = 6.

Explanation: In the above-given question, given that, the numbers are 11 and 5. 11 – 5 = 6. the difference of 11 and 5 = 6.

Question 9. ☐ + 10 = 20 20 – 10 = ☐

Question 10. ☐ + 9 = 16 16 – 9 = ☐

Question 11. ☐ = 9 + 9 9 = ☐ – 9

Explanation: In the above-given question, given that, the numbers are 18 and 9. 18 – 9 = 9. the difference of 18 and 9 = 9.

Question 12. ☐ = 5 + 8 5 = ☐ – 8

Explanation: In the above-given question, given that, the numbers are 8 and 5. 8 + 5 = 13. the sum of 8 and 5 = 13.

Answer: The difference of 8 and 5 = 3.

Explanation: In the above-given question, given that, the numbers are 5 and 8. 8 – 5 = 3. the difference of 8 and 5 = 3.

Answer: The number of party hats Rick needs = 9.

Explanation: In the above-given question, given that, Rick has 10 party hats. He needs 19 hats for his party. 19 – 10 = 9. The number of party hats Rick needs = 9.

Use cubes or draw a picture to solve.

Answer: The number of bunnies does Todd has = 8.

Answer: The number of small trucks = 7.

Answer: The number of children is in the park = 13.

Explanation: In the above-given question, given that, There are 15 children at the park. 6 of the children go home. Then 4 more children come to the park. 15 – 6 + 4. 9 + 4 = 13. The number of children is in the park = 13.

Answer: The sum of 9 and 8 = 17.

Explanation: In the above-given question, given that, the numbers are 9 and 8. 9 + 8 = 17. the sum of 9 and 8 = 17.

TAKE HOME ACTIVITY • Have your child explain how using subtraction can help him or her find the unknown number in 7 + ☐ = 16.

Algebra • Unknown Numbers Homework & Practice 5.5

Question 1. 6 + ☐ = 13 13 – 6 = ☐

Explanation: In the above-given question, given that, the numbers are 6 and 7. 6 + 7 = 13. the sum of 6 and 7 = 13.

Question 2. 9 + ☐ = 14 14 – 9 = ☐

Explanation: In the above-given question, given that, the numbers are 14 and 9. 14 – 9 = 5. the difference of 14 and 9 = 5.

Question 3. ☐ + 7 = 15 15 – 7 = ☐

Question 4. ☐ = 8 + 8 8 = ☐ – 8

Answer: The sum of 8 and 8 = 16.

Explanation: In the above-given question, given that, the numbers are 8 and 8. 8 + 8 = 16. the sum of 8 and 8 = 16.

Answer: The difference of 16 and 8 = 8.

Explanation: In the above-given question, given that, the numbers are 16 and 8. 16 – 8 = 8. the difference of 8 and 8 = 16.

Question 5. Sally has 9 toy trucks. She gets 3 more toy trucks. How many toy trucks does she have now? _12_ toy trucks

Answer: The number of trucks she has now = 12.

Explanation: In the above-given question, given that, Sally has 9 toy trucks. She gets 3 more toy trucks. 9 + 3 = 12. The number of trucks she has now = 12.

Question 1. Write the unknown number. 9 + ☐ = 16

Answer: The difference of 14 and 6 = 8.

Question 3. Draw circles to show the number. Write the sum. 0 + 8

0 + 8 = _8_

Answer: The sum of 0 and 8 = 8.

Lesson 5.6 Algebra • Use Related Facts

What number can you add to 8 to get 10? Draw a picture to solve. Write the unknown number.

Answer: The number is 2.

Explanation: In the above-given question, given that, 10 – 8 = 2. The number is 2.

Math Talk MATHEMATICAL PRACTICES Model Describe how to solve this problem using cubes.

Write the unknown numbers.

Explanation: In the above-given question, given that, the numbers are 8 and 9. 8 + 6 = 14. the sum of 8 and 6 = 14.

Answer: The sum of 9 and 6 = 15.

Explanation: In the above-given question, given that, the numbers are 6 and 9. 6 + 9 = 15. the sum of 6 and 9 = 15.

Answer: The difference of 13 and 4 = 9.

Explanation: In the above-given question, given that, the numbers are 7 and 5. 7 + 5 = 12. the sum of 7 and 5 = 12.

GO DEEPER Write an addition sentence to help you find the difference. Then write the related subtraction sentence to solve.

Question 9. Find 11 − 5. _5_ + _6_ = _11_ _6_ + _5_ = _11_

Question 10. Find 13 − 6. _6_ + _7_ = _13_ _7_ + _6_ = _13_

Reason Abstractly Look at the shapes in the addition sentence. Draw shapes to show a related subtraction fact.

Answer: The unknown number is 7.

TAKE HOME ACTIVITY • Give your child 5 small objects, such as paper clips. Then ask your child how many more objects he or she would need to have 12.

• Use Related Facts Homework & Practice 5.6

Write the missing numbers.

Answer: The unknown number is 5.

Answer: The unknown number is 9.

Look at the shapes in the addition sentence. Draw a shape to show a related subtraction fact.

Answer: The sum of 7 and  7 = 14.

Explanation: In the above-given question, given that, the numbers are 7 and 7. 7 + 7 = 14. the sum of 7 and 7 = 14.

Answer: The difference of 14 and 7 = 7.

Question 1. Write an addition fact that helps you solve 12 – 4 _8_ + _4_ = _12_

Answer: The sum of 9 and  3 = 12.

Answer: The sum of 8 and  8 = 16.

Lesson 5.7 Choose an Operation

Essential Question How do you choose when to add and when to subtract to solve a problem?

_3_ white balloons

Math Talk MATHEMATICAL PRACTICES How did you solve this problem? Explain.

Model and Draw

Answer: The number of squirrels does jack see = 17.

Circle add or subtract. Write a number sentence to solve.

Answer: The number of markers does Owen has = 14.

Answer: The number of apples he gives = 8.

Answer: The number of blocks does Deon has now = 9.

Answer: The number of raccoons they see = 9.

Explanation: In the above-given question, given that, Rob sees 5 raccoons. Talia sees 4 more raccoons than Rob. 5 + 4 = 9. The number of raccoons they see = 9.

Answer: The number of eggs in both the boxes = 12.

Explanation: In the above-given question, given that, Eli has a box with 12 eggs. His other box has no eggs. 12 + 0 = 12. The number of eggs in both the boxes = 12.

Answer: The number of fish have long tails  = 9.

Explanation: In the above-given question, given that, Leah has a bowl with 16 fish. some fish have long tails. 16 – 7 = 9. The number of fish have long tails = 9.

Answer: The number of apples have = 13.

Explanation: In the above-given question, given that, Sasha has 8 red apples. she has 3 fewer green apples than red apples. 8 + 5 = 13. The number of apples have = 13.

Apply Choose a way to solve. Write or draw to explain.

Answer: The number of markers James has =  11.

Explanation: In the above-given question, given that, James has 4 big markers and 7 skinny markers. 7 + 4 = 11. The number of markers james has = 11.

Answer: The number of cards she needs more = 8.

Explanation: In the above-given question, given that, Sam has 9 baseball cards. she wants to have 17 cards. The number of cards does she need = 8.

Answer: The number of pennies does she have on Friday = 19.

Explanation: In the above-given question, given that, Annie gets 15 pennies on Monday. She gets 1 more penny each day. 15 + 4 = 19. The number of pennies does she have on Friday = 19.

Question 11. THINK SMARTER Beth has 5 grapes. A friend gives her 8 grapes. How many grapes does Beth have now? Draw a picture to show your work. Beth has _13_ grapes.

Answer: The number of grapes does Beth has now =13.

Explanation: In the above-given question, given that, Beth has 5 grapes. A friend gives her 8 grapes. 5 + 8 = 13. The number of grapes does Beth has now =13.

TAKE HOME ACTIVITY • Ask your child to write a number sentence that could be used to solve Exercise 9.

Choose an Operation Homework & Practice 5.7

Answer: The number of pretzels left = 13.

Question 2. Greg has 11 shirts. 3 have long sleeves. The rest have short sleeves. How many short-sleeve shirts does Greg have? _8_ short-sleeve shirts

Answer: The number of short-sleeve does Greg has = 8.

Explanation: In the above-given question, given that, Greg has 11 shirts. 3 have long sleeves. The rest have short sleeves. 11 – 3 = 8. The number of short-sleeves does Greg has = 8.

Answer: The number of children left on the bus = 9.

Question 2. Choose a way to solve. Draw or write to explain. Mike has 13 plants. He gives some away. He has 4 left. How many plants does he give away? _9_ plants

Answer: The number of plants does he give = 9.

Explanation: In the above-given question, given that, Mike has 13 plants. He gives some away. He has 4 left. 13 – 4 = 9. The number of plants does he give = 9.

Go Math Grade 1 Chapter 5 Test Pdf Question 3. Write the numbers 3, 2, and 8 in an addition sentence. Show two more ways to find the sum. _3_ + _2_ + _8 = _13_ _5_ + _8_ = _13_ _8_ + _5_ = _13_

Explanation: In the above-given question, given that, the numbers are 5 and 8. 5 + 8 = 13. the sum of 5 and 8 = 13.

Lesson 5.8 Algebra • Ways to Make Numbers to 20

Essential Question How can you add and subtract in different ways to make the same number?

Explanation: In the above-given question, given that, the numbers are 5 and 5. 5 + 5 = 10. the sum of 5 and 5 = 10.

Math Talk MATHEMATICAL PRACTICES Use Tools How do your models show two ways to make 10?

Answer: The sum of 8 and 5  and 4= 17.

Answer: The sum of 4 and 7  and 3= 14.

Answer: The sum of 8 and 5  and 3= 16.

THINK SMARTER Choose a number less than 20. Write the number. Write two ways to make your number.

Question 7.

Question 8.

Answer: The sum of 8 and 12 = 20.

Explanation: In the above-given question, given that, the numbers are 8 and 12. 8 + 12 = 20. the sum of 8 and 12 = 20.

GO DEEPER Write numbers to make each line have the same sum.

Answer: The number that have the same sum = 8.

Answer: The number that have the same sum = 5.

Answer: The number that have the same sum = 16.

Answer: The sum of 10 and 3 = 13.

TAKE HOME ACTIVITY • Have your child explain three different ways to make 15. Encourage him or her to use addition and subtraction, including addition of three numbers.

Algebra • Ways to Make Numbers to 20 Homework & practice 5.8

Answer: The number is 10.

Explanation: In the above-given question, given that, 2 + 7 + 1 = 10. 5 + 5 = 10. 10 – 0 = 10. 9 + 1 = 10. the number is 10.

Answer: The number is 13.

Write numbers to make 3. each line have the same sum.

Answer: The number is 16.

Question 4. WRITE Math Use numbers and pictures to show two ways to make the number 12. ____6 + _6___=____12______ ____5 ___+_7__=___12_____ ___7__+__5___=__12______

Answer: The number is 18.

Answer: The number is 9.

Question 3. Write the doubles plus one fact for 7 + 7. _7_ + _7_ = _14_

Answer: The sum of 7 and 7 = 14.

Question 4. Write the doubles minus one fact for 4 + 4. _4_ + _4_ = _8_

Answer: The sum of 4 and 4 = 8.

Explanation: In the above-given question, given that, the numbers are 4 and 4. 4 + 4 = 8. the sum of 4 and 4 = 8.

Lesson 5.9 Algebra • Equal and Not Equal

Essential Question How can you decide if a number sentence is true or false?

Color the cards that make the same number.

Answer: The cards that make the same number = 7.

Math Talk MATHEMATICAL PRACTICES

Reasoning Why can you use two of the cards you color and an equal sign to make a number sentence?

Answer: The number is 4 + 5 = 5 + 4.

Which is true? Circle your answer. Which is false? Cross out your answer.

Question 2. 4 + 1 = 5 + 2 6 – 6 = 7 – 7

Answer: The number that is true is 6 – 6 = 7 – 7.

Question 3. 7 + 2 = 6 + 3 8 – 2 = 6 + 4

Answer: The number that is true is 7 + 2 = 6 + 3.

Question 4. 5 – 4 = 4 – 3 10 = 1 + 0

Answer: The number that is true is 5 – 4 = 4 – 3.

Attend to Precision Which are true? Circle your answers. Which are false? Cross out your answers.

Answer: The number that is true is 8 + 1 = 2 + 7, 19 = 19.

Answer: The number that is true is 9 + 7 = 16.

Question 7. THINK SMARTER Lyle writes the false number sentence 2 + 10 = 8. Complete the number sentence to make the sentence true. 2 + _6_ = 8

Answer: The number that is true is 2 + 6 = 8.

Explanation: In the above-given question, given that, the numbers are 2 + 10 = 8. the number that  is true is 2 + 6 = 8.

Write numbers to make sentences that are true.

Question 8. 2 + 10 = 7 + _5_

Answer: The number that is true is 12 = 12.

Explanation: In the above-given question, given that, the numbers are 2 + 10 = 7 + 5. the number that is true is 12 = 12.

Question 9. _9_ = 2 + 3 + 4

Answer: The number that is true is 9 = 9.

Explanation: In the above-given question, given that, the numbers are 9 = 2 + 3 + 4. the number that is true is 9 = 9..

Question 10. 0 + 9 = _0_ – 9

Explanation: In the above-given question, given that, the numbers are 9 = 9 the number that is true is 9 = 9.

Question 11. _6_ + 7 = 7 + 6

Answer: The number that is true is 13 = 13.

Explanation: In the above-given question, given that, the numbers are 6 + 7 = 7 + 6. the number that is true is 13 = 13.

Answer: The number that is true is 20 = 20, 9 + 1 + 1 = 11.

Answer: The number that is true is 5 – 4 = 9 – 8, 6 + 2 = 2 + 6.

TAKE HOME ACTIVITY • Write 10 = 7 − 3 and 10 = 7 + 3 on a sheet of paper. Ask your child to explain which is true.

Algebra • Equal and Not Equal Homework & practice 5.9

Which are true? Circle your answers. Which are false? Cross out your answers.

Question 1. 6 + 4 = 5 + 5

Answer: The number is true.

Question 2. 10 = 6 – 4

Answer: The number is false.

Question 3. 8 + 8 = 16 – 8

Question 4. 14 = 1 + 4

Question 5. 8 – 0 = 12 – 4

Question 6. 17 = 9 + 8

Answer: The sum of 5 + 9 = 6 + 8.

Answer: The numbers are 5 + 6 = 11. 6 + 5 = 11. 11 – 6 = 5. 11 – 5 = 6.

Answer: The number of toys does Leah has = 11.

Lesson 5.10 Facts Practice to 20

Essential Question How can addition and subtraction strategies help you find sums and differences?

2 + 8 = _10_

Answer: The sum of 2 and 8 = 10.

Explanation: In the above-given question, given that, the numbers are 2 and 8. 8 + 2 = 10. the sum of 2 and 8 = 10.

Math Talk MATHEMATICAL PRACTICES Explain What other strategy could you use to solve the addition fact?

Add or subtract.

Question 1. 2 + 5 = _7_

Answer: The sum of 2 and 5 = 7.

Explanation: In the above-given question, given that, the numbers are 2 and 5. 2 + 5 = 7. the sum of 2 and 5 = 7.

Question 2. 9 – 6 = _3_

Answer: The difference of 9 and 6 = 3.

Explanation: In the above-given question, given that, the numbers are 9 and 6. 9 – 6 = 3. the difference of 9 and 6 = 3.

Question 3. _12_ = 9 + 3

Question 4 15 – 7 = _8_

Question 5. 3 – 1 = _2_

Answer: The difference of 3 and 1 = 2.

Explanation: In the above-given question, given that, the numbers are 3 and 1. 3 – 1 = 2. the difference of 3 and 1 = 2.

Question 6. _8_ = 2 + 6

Answer: The sum of 2 and 6 = 8.

Explanation: In the above-given question, given that, the numbers are 2 and 6. 2 + 6 = 8. the sum of 2 and 6 = 8.

Question 7. 2 + ☐ = 11

Answer: The sum of 2 and 9 = 11.

Explanation: In the above-given question, given that, the numbers are 2 and 9. 2 + 9 = 11. the sum of 2 and 9 = 11.

Question 8. 10 – ☐ = 2

Answer: The difference of 10 and 8 = 2.

Explanation: In the above-given question, given that, the numbers are 10 and 8. 10 – 8 = 2. the difference of 10 and 8 = 2.

Question 9. 8 = 8 + ☐

Answer: The sum of 8 and 0 = 8.

Explanation: In the above-given question, given that, the numbers are 8 and 0. 8 + 0 = 8. the sum of 8 and 0 = 8.

Question 10. 12 – 9 = _3_

Explanation: In the above-given question, given that, the numbers are 12 and 9. 12 – 9 = 3. the difference of 12 and 9 = 3.

Question 11. 12 – 4 = _8_

Question 12. _13_ = 4 + 9

Question 13. ☐ + 8 = 13

Question 14. ☐ – 1 = 6

Answer: The difference of 7 and 1 = 6.

Explanation: In the above-given question, given that, the numbers are 7 and 1. 7 – 1 = 6. the difference of 7 and 1 = 6.

Question 15. 9 = ☐ + 3

Question 16. 16 – 7 = _9_

Answer: The difference of 16 and 7 = 9.

Explanation: In the above-given question, given that, the numbers are 16 and 7. 16 – 7 = 9. the difference of 16 and 7 = 9.

Question 17. 11 – 8 = _3_

Answer: The difference of 11 and 8 = 3.

Explanation: In the above-given question, given that, the numbers are 11 and 8. 11 – 8 = 3. the difference of 11 and 8 = 3.

Question 18. _15_ = 8 + 7

MATHEMATICAL PRACTICE Attend to Precision Add or subtract.

Answer: The sum of 6 and 0 = 6.

Answer: The sum of 4 and 7 = 11.

Answer: The difference of 9 and 0 = 9.

Answer: The sum of 4 and 6 = 10.

Answer: The sum of 3 and 7 = 10.

Answer: The difference of 8 and 6 = 2.

Answer: The difference of 4 and 4 = 0.

Answer: The sum of 10 and 5 = 15.

Answer: The difference of 13 and 3 = 10.

Answer: The difference of 10 and 9 = 1.

Answer: The sum of 9 and 10 = 19.

Solve. Write or draw to explain.

Answer: The number of rabbits now = 7.

Explanation: In the above-given question, given that, There are 14 rabbits. Then 7 rabbits hop away. 14 – 7 = 7. The number of rabbits now = 7.

Answer: The number of brown dogs = 9.

Explanation: In the above-given question, given that, There are 11 dogs at the park. 2 dogs are gray. 11 – 2 = 9. The number of brown dogs = 9.

Answer: The number of ladybugs now = 8.

Question 47. THINK SMARTER Marco has 13 marbles. Lucy has 8 marbles. How many more marbles does Marco have than Lucy? Write or draw to show your work. _5_ more marbles

Answer: The number of marbles Marco has = 5.

Explanation: In the above-given question, given that, Marco has 13 marbles. Lucy has 8 marbles. 13 – 8 = 5. The number of marbles Marco has = 5.

TAKE HOME ACTIVITY • Have your child draw a picture to solve 7 + 4. Then have him or her tell a related subtraction fact.

Facts Practice to 20 Homework & Practice 5.10

Answer: The sum of 4 and 5 = 9.

Answer: The sum of 3 and 8 = 11.

Answer: The difference of 9 and 8 = 1.

Answer: The sum of 6 and 6 = 12.

Answer: The sum of 0 and 9 = 9.

Solve. Draw or write to explain.

Question 19. Kara has 9 drawings. She gives 4 away. How many drawings does Kara have now? _5_ drawings

Answer: The number of drawings kara has = 5.

Explanation: In the above-given question, given that, Kara has 9 drawings. she gives 4 away. 9 – 4 = 5. The number of drawings kara has = 5.

Explanation: In the above-given question, given that, the numbers are 6 and 6. 6 + 6 = 12. the sum of 6 and 6 = 12.

Explanation: In the above-given question, given that, the numbers are 14 and 7. 14 – 7 = 7. the difference of 14 and 7 = 7.

Answer: The difference of 15 and 6 = 8.

Question 2. What is the missing number? Write the missing addend. 7 + ☐ = 12

Explanation: In the above-given question, given that, the numbers are 7 and 5. 7 + 5 = 12. the sum of 5 and 7 = 12.

Question 3. Greg knows 7 + 4 = 11. What other addition fact does he know that shows the same addends? Write the new fact. _6_ + _5_ = _11_

Addition and Subtraction Relationships Chapter 5 Review/Test

Answer: The number of dogs comes = 7.

Answer: Yes, the number is a related fact.

Answer: The number of bees now = 5.

Answer: The sum of 6 and 10 = 16.

Explanation: In the above-given question, given that, the numbers are 6 and 10. 6 + 10 = 16. the sum of 6 and 10 = 16.

Answer: The difference of 16 and 6 = 10.

Explanation: In the above-given question, given that, the numbers are 16 and 6. 16 – 6 = 10. the difference of 16 and 6 = 10.

Answer: The unknown number = 9.

Answer: The number of marbles Joe has = 13.

Explanation: In the above-given question, given that, Joe has 7 blue marbles. A friend gives him 6 red marbles. 7 + 6 = 13. The number of marbles Joe has = 13.

Answer: The numbers are = 4 + 8 and 5 + 5 + 2.

Answer: The numbers are true = 9 = 6 + 3.

Answer: The number of socks does Ann has than Bill = 8.

Explanation: In the above-given question, given that, Ann has 14 white socks. Bill has 6 white socks. The number of socks does Ann has than Bill = 8.

Question 11. GO DEEPER Alma has 5 crayons. Her dad gives her 7 more crayons. How many crayons does she have now? Use a related fact to check your answer. Alma has _12_ crayons. Write a related fact to check. _12_ − _7_ = 5

Answer: The number of crayons Alma has = 12.

Explanation: In the above-given question, given that, Alma has 5 crayons. Her dad gives her 7 more crayons. 5 + 7 = 12. The number of crayons Alma has = 12.

Answer: The number of books Julia has left = 3.

Explanation: In the above-given question, given that, Julia buys 12 books. she gives 9 books away. 12 – 9 = 3. The number of books Julia has left = 3.

Conclusion:

We have given the clear cut explanations for all the questions in this page. All the solutions are given in the pdf format so that you can prepare in the offline mode. Bookmark our site to get HMH Go Math Grade 1 Answer Key for all Chapters.

Share this:

Leave a comment cancel reply.

You must be logged in to post a comment.