Use doubles practice questions:

1. Explain 2 ways to use doubles to help you figure out 7+8

2. Explain 3 ways to use doubles to help you figure out 9+7

3. For each of these math fact problems, tell whether it is

• a double,
• a problem you can solve by a use doubles strategy or
• a fact not closely related to a double.

a. 5+7

b. 8+8

c. 9+4

d. 6+5

e. 8+4

4. Describe the facts for which a use doubles strategy is efficient

5. Write a word problem for introducing the use doubles to add strategy.

6. What do children need to be able to do before they can use a use doubles strategy effectively?

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