fact-family/add-sub-within-20/easy · 세트 12
6 problems
이름:
학급:
날짜:
1
Write the fact family for 13, 6, 19:
=
2
Write the fact family for 15, 5, 20:
=
3
Write the fact family for 19, 1, 20:
=
4
Write the fact family for 10, 7, 17:
=
5
Write the fact family for 7, 2, 9:
=
6
Write the fact family for 13, 4, 17:
=