1
Fact family for {6, 9, 15}: Write all 4 equations =
2
Fact family for {10, 10, 20}: Write all 2 equations =
3
Fact family for {4, 8, 12}: Write all 4 equations =
4
Fact family for {6, 7, 13}: Write all 4 equations =
5
Fact family for {6, 5, 11}: Write all 4 equations =
6
Fact family for {3, 1, 4}: Write all 4 equations =