fact-family/add-sub-within-20/expert · セット 60
5 problems
名前：
クラス:
日付：
1
Write the fact family for 13, 5, 18:
=
2
Write the fact family for 15, 4, 19:
=
3
Write the fact family for 6, 14, 20:
=
4
Write the fact family for 10, 4, 40:
=
5
Write the fact family for 9, 5, 14:
=