1
Fact family for {2, 3, 5}: Write all 4 equations =
2
Fact family for {4, 9, 13}: Write all 4 equations =
3
Fact family for {8, 10, 18}: Write all 4 equations =
4
Fact family for {4, 9, 13}: Write all 4 equations =
5
Fact family for {1, 4, 5}: Write all 4 equations =
6
Fact family for {7, 5, 12}: Write all 4 equations =