1
Fact family for {21, 43, 64}: Write all 4 equations =
2
Fact family for {29, 7, 36}: Write all 4 equations =
3
Fact family for {11, 40, 51}: Write all 4 equations =
4
Fact family for {31, 45, 76}: Write all 4 equations =
5
Fact family for {17, 21, 38}: Write all 4 equations =
6
Fact family for {4, 12, 16}: Write all 4 equations =