fact-family/add-sub-within-20/medium · 세트 18
6 problems
이름:
학급:
날짜:
1
Write the fact family for 9, 5, 14:
=
2
Write the fact family for 2, 18, 20:
=
3
Write the fact family for 13, 2, 15:
=
4
Write the fact family for 12, 5, 60:
=
5
Write the fact family for 13, 4, 17:
=
6
Write the fact family for 11, 9, 20:
=