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Write afact family with the sum of 17. Explain how you picked the addends.

Fact families are trios of numbers that are used for addition and subtraction.

9+8=17
8+9=17
17-9=8
17-8=9

You can do this for just about any set of numbers. Other addends for 17 would be 10 and 7, 15 and 2, etc.

=)

How do you exlain how you picked the addends you used

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