fact-family/add-sub-within-20/easy · Set 80
6 problems
Nome:
Classe:
Data:
1
Write the fact family for 13, 7, 20:
=
2
Write the fact family for 11, 8, 19:
=
3
Write the fact family for 15, 5, 20:
=
4
Write the fact family for 16, 4, 20:
=
5
Write the fact family for 16, 1, 17:
=
6
Write the fact family for 1, 15, 16:
=