fact-family/add-sub-within-20/medium · 세트 60
6 problems
이름:
학급:
날짜:
1
Write the fact family for 18, 2, 20:
=
2
Write the fact family for 19, 1, 20:
=
3
Write the fact family for 8, 7, 56:
=
4
Write the fact family for 2, 8, 10:
=
5
Write the fact family for 2, 2, 4:
=
6
Write the fact family for 17, 1, 18:
=