1
Fact family for {3, 9, 12}: Write all 4 equations =
2
Fact family for {2, 7, 9}: Write all 4 equations =
3
Fact family for {2, 10, 12}: Write all 4 equations =
4
Fact family for {9, 1, 10}: Write all 4 equations =
5
Fact family for {8, 9, 17}: Write all 4 equations =
6
Fact family for {4, 5, 9}: Write all 4 equations =