1
Fact family for {5, 7, 12}: Write all 4 equations =
2
Fact family for {5, 8, 13}: Write all 4 equations =
3
Fact family for {10, 8, 18}: Write all 4 equations =
4
Fact family for {8, 7, 15}: Write all 4 equations =
5
Fact family for {6, 1, 7}: Write all 4 equations =
6
Fact family for {6, 10, 16}: Write all 4 equations =