1
Fact family for {4, 1, 5}: Write all 4 equations =
2
Fact family for {4, 5, 9}: Write all 4 equations =
3
Fact family for {3, 4, 7}: Write all 4 equations =
4
Fact family for {7, 8, 15}: Write all 4 equations =
5
Fact family for {3, 7, 10}: Write all 4 equations =
6
Fact family for {7, 6, 13}: Write all 4 equations =