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Reteach and Skills Practice Workbook

Reteach and Skills Practice Workbook

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5–8<br />

Name<br />

<strong>Reteach</strong><br />

Multiply Three Numbers<br />

Date<br />

You can use the Associative Property of Multiplication to multiply more<br />

than two numbers.<br />

4AF1.0<br />

Chapter Resources<br />

If you have 3 cats <strong>and</strong> they each eat 2 cans of food per day, how many<br />

cans do they eat in 1 week?<br />

You need to find 3 × 2 × 7.<br />

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />

You will multiply two of the facts together at a time.<br />

(3 × 2) × 7<br />

6 × 7<br />

42<br />

So, they will eat 42 cans of food in 1 week.<br />

Multiply.<br />

1. 4 × 6 × 2 4. 8 × 1 × 5<br />

2. 12 × 3 × 3 5. 7 × 3 × 1<br />

3. 9 × 1 × 3 6. 11 × 4 × 2<br />

ALGEBRA Copy <strong>and</strong> complete each number sentence.<br />

7. 3 × × 3 = 63 9. 4 × 3 × 4 =<br />

8. 8 × 2 × = 16 10. 2 × × 6 = 120<br />

Grade 4 91 Chapter 5

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