fact-family/add-sub-within-20-write-all · セット 23

6 problems

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クラス:

日付：

1

Write the fact family for 9, 11, 20: =

2

Write the fact family for 10, 5, 15: =

3

Write the fact family for 7, 10, 17: =

4

Write the fact family for 2, 3, 5: =

5

Write the fact family for 8, 12, 20: =

6

Write the fact family for 14, 6, 20: =