fact-family/add-sub-within-20/medium · 세트 11
6 problems
이름:
학급:
날짜:
1
Write the fact family for 18, 1, 19:
=
2
Write the fact family for 7, 11, 77:
=
3
Write the fact family for 4, 4, 16:
=
4
Write the fact family for 17, 2, 19:
=
5
Write the fact family for 19, 1, 20:
=
6
Write the fact family for 2, 3, 6:
=