Name

Model Subtraction

Lesson 2

Homework Helper Need help? connectED.mcgraw-hill.com

When you know the whole and one of the parts,

you can subtract to find the other part.

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PracticeUse pennies to subtract. Write the number.

1. Part Part

1 Whole

5

2. Part Part

2 Whole

10

3. Part Part

1 Whole

6

4. Part Part

6 Whole

9

Part Part

7Whole

8

Part Part

Whole

My HomeworkMy Homework

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Chapter 2 • Lesson 2 119

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Operations and Algebraic Thinking

1.OA.1, 1.OA.4

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Math at Home Have your child use small objects such as cereal or beans to

model subtraction.

Use pennies to subtract. Write the number.

5. Part Part

6 Whole

7

6. Part Part

4 Whole

8

7. There are 7 monkeys hanging from a

branch. 3 monkeys go away. How many

monkeys are still on the branch?

monkeys

8. There are 9 apes eating bananas.

1 ape stops eating. How many apes

are still eating bananas?

apes

Vocabulary CheckVocab

Circle the correct answer.

sum subtract

9. You know the whole and one part. You can to find the other part.

120 Chapter 2 • Lesson 2

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