fact-family/mul-div-within-20-write-all · セット 89
5 problems
名前：
クラス:
日付：
1
Write the fact family for 4, 3, 7:
=
2
Write the fact family for 15, 4, 19:
=
3
Write the fact family for 19, 1, 20:
=
4
Write the fact family for 9, 1, 10:
=
5
Write the fact family for 11, 5, 16:
=