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.
=)
Write afact family with the sum of 17. Explain how you picked the addends.
4 answers
How do you exlain how you picked the addends you used
i like number 9
i was stuck on this for half an hour lol, but now iām done!