1
Fact family for {12, 5, 17}: Write all 4 equations =
2
Fact family for {10, 45, 55}: Write all 4 equations =
3
Fact family for {10, 41, 51}: Write all 4 equations =
4
Fact family for {1, 38, 39}: Write all 4 equations =
5
Fact family for {3, 33, 36}: Write all 4 equations =
6
Fact family for {12, 1, 13}: Write all 4 equations =