1
Fact family for {1, 6, 7}: Write all 4 equations =
2
Fact family for {5, 4, 9}: Write all 4 equations =
3
Fact family for {1, 9, 10}: Write all 4 equations =
4
Fact family for {3, 8, 11}: Write all 4 equations =
5
Fact family for {2, 9, 11}: Write all 4 equations =
6
Fact family for {6, 6, 12}: Write all 2 equations =