Posted by jo on Thursday, September 27, 2007 at 7:52pm.
Write afact family with the sum of 17. Explain how you picked the addends.

3rd grade Math  Writeacher, Thursday, September 27, 2007 at 8:11pm
Fact families are trios of numbers that are used for addition and subtraction.
9+8=17
8+9=17
179=8
178=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.
=)

3rd grade Math  renee, Tuesday, September 25, 2012 at 5:11pm
How do you exlain how you picked the addends you used
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