fact-family/add-sub-within-20/medium · 세트 31
5 problems
이름:
학급:
날짜:
1
Write the fact family for 5, 6, 30:
=
2
Write the fact family for 5, 11, 55:
=
3
Write the fact family for 19, 1, 20:
=
4
Write the fact family for 4, 11, 15:
=
5
Write the fact family for 6, 4, 10:
=