fact-family/add-sub-within-20-write-all · 세트 42
6 problems
이름:
학급:
날짜:
1
Write the fact family for 1, 16, 17:
=
2
Write the fact family for 14, 1, 15:
=
3
Write the fact family for 11, 2, 13:
=
4
Write the fact family for 1, 8, 9:
=
5
Write the fact family for 7, 11, 18:
=
6
Write the fact family for 7, 9, 16:
=