fact-family/add-sub-within-20/easy · 세트 15
6 problems
이름:
학급:
날짜:
1
Write the fact family for 12, 6, 18:
=
2
Write the fact family for 14, 2, 16:
=
3
Write the fact family for 19, 1, 20:
=
4
Write the fact family for 5, 1, 6:
=
5
Write the fact family for 11, 6, 17:
=
6
Write the fact family for 10, 1, 11:
=