fact-family/add-sub-within-20/easy · 세트 98
6 problems
이름:
학급:
날짜:
1
Write the fact family for 6, 11, 17:
=
2
Write the fact family for 4, 13, 17:
=
3
Write the fact family for 16, 1, 17:
=
4
Write the fact family for 12, 5, 17:
=
5
Write the fact family for 19, 1, 20:
=
6
Write the fact family for 10, 10, 20:
=