fact-family/add-sub-within-20/easy · סט 1

6 problems
1
Fact family for {3, 5, 8}: Write all 4 equations =
2
Fact family for {2, 6, 8}: Write all 4 equations =
3
Fact family for {10, 3, 13}: Write all 4 equations =
4
Fact family for {7, 7, 14}: Write all 2 equations =
5
Fact family for {7, 2, 9}: Write all 4 equations =
6
Fact family for {4, 3, 7}: Write all 4 equations =
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