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