1
Fact family for {4, 1, 5}: Write all 4 equations =
2
Fact family for {2, 5, 7}: Write all 4 equations =
3
Fact family for {3, 10, 13}: Write all 4 equations =
4
Fact family for {10, 8, 18}: Write all 4 equations =
5
Fact family for {7, 10, 17}: Write all 4 equations =
6
Fact family for {5, 9, 14}: Write all 4 equations =