1
Fact family for {3, 9, 12}: Write all 4 equations =
2
Fact family for {12, 3, 15}: Write all 4 equations =
3
Fact family for {11, 4, 15}: Write all 4 equations =
4
Fact family for {5, 19, 24}: Write all 4 equations =
5
Fact family for {15, 5, 20}: Write all 4 equations =
6
Fact family for {18, 1, 19}: Write all 4 equations =