1
Fact family for {15, 1, 16}: Write all 4 equations =
2
Fact family for {20, 19, 39}: Write all 4 equations =
3
Fact family for {11, 14, 25}: Write all 4 equations =
4
Fact family for {11, 7, 18}: Write all 4 equations =
5
Fact family for {13, 4, 17}: Write all 4 equations =
6
Fact family for {8, 9, 17}: Write all 4 equations =