fact-family/add-sub-within-20/expert · セット 72
6 problems
名前：
クラス:
日付：
1
Write the fact family for 10, 7, 70:
=
2
Write the fact family for 9, 11, 99:
=
3
Write the fact family for 2, 14, 16:
=
4
Write the fact family for 15, 4, 19:
=
5
Write the fact family for 5, 6, 30:
=
6
Write the fact family for 12, 12, 144:
=