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## McGraw-Hill Math Grade 3 Answer Key Chapter 6 Lesson 8 Multiplying by Breaking Apart

**Solve**

**Write the missing numbers. Find each product.**

Question 1.

9 × 9 = 9 × (5 + 4)

9 × 9 = (9 × 5) + (__9__ × __4__)

9 × 9 = __45__ + __36__

9 × 9 = __81__

Question 2.

3 × 4 = 3 × (3 + 1)

3 × 4 = (___ × ___) + (3 × 1)

3 × 4 = ___ + ___

3 × 4 = ____

Answer:

3 x 4 = 12

Explanation:

3 × 4 = 3 × (3 + 1)

3 × 4 = (3 × 3) + (3 × 1)

3 × 4 = 9 + 3

So, 3 × 4 = 12

Question 3.

5 × 8 = 5 × (2 + 6)

5 × 8 = (___ × ___) + (___ × ____)

5 × 8 = ___ + ___

5 × 8 = ____

Answer:

5 x 8 = 40

Explanation:

5 × 8 = 5 × (2 + 6)

5 × 8 = (5 × 2) + (5 × 6)

5 × 8 = 10 + 30

So, 5 × 8 = 40

Question 4.

Taylor says 4 + 4 is the only way to break apart 8. Is she correct? If not, write three more ways.

Answer:

No, we have some more ways to break apart 8 other than 4 + 4

Explanation:

The other ways to break apart 8 are

8 = 1 + 7

8 = 2 + 6

8 = 5 + 3.