fact-family/add-sub-within-10/expert · 세트 16

6 problems
1
Write the fact family for 6, 4, 10: =
2
Write the fact family for 1, 5, 6: =
3
Write the fact family for 7, 8, 56: =
4
Write the fact family for 2, 2, 4: =
5
Write the fact family for 3, 2, 6: =
6
Write the fact family for 8, 1, 9: =
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