fact-family/add-sub-within-20-write-all · 세트 29
6 problems
이름:
학급:
날짜:
1
Write the fact family for 13, 5, 18:
=
2
Write the fact family for 5, 6, 11:
=
3
Write the fact family for 19, 1, 20:
=
4
Write the fact family for 5, 4, 9:
=
5
Write the fact family for 1, 19, 20:
=
6
Write the fact family for 18, 2, 20:
=