fact-family/add-sub-within-20-fill-blanks · セット 45
6 problems
名前：
クラス:
日付：
1
Write the fact family for 4, 3, 7:
=
2
Write the fact family for 8, 10, 18:
=
3
Write the fact family for 5, 11, 16:
=
4
Write the fact family for 16, 1, 17:
=
5
Write the fact family for 6, 11, 17:
=
6
Write the fact family for 15, 4, 19:
=