1
Fact family for {21, 16, 37}: Write all 4 equations =
2
Fact family for {37, 5, 42}: Write all 4 equations =
3
Fact family for {25, 16, 41}: Write all 4 equations =
4
Fact family for {38, 41, 79}: Write all 4 equations =
5
Fact family for {40, 34, 74}: Write all 4 equations =
6
Fact family for {31, 43, 74}: Write all 4 equations =