fact-family/add-sub-within-20/medium · Set 54
6 problems
Nome:
Classe:
Data:
1
Write the fact family for 1, 1, 2:
=
2
Write the fact family for 2, 12, 14:
=
3
Write the fact family for 11, 7, 18:
=
4
Write the fact family for 2, 6, 12:
=
5
Write the fact family for 9, 11, 99:
=
6
Write the fact family for 8, 12, 20:
=