1
Fact family for {4, 5, 9}: Write all 4 equations =
2
Fact family for {2, 7, 9}: Write all 4 equations =
3
Fact family for {5, 1, 6}: Write all 4 equations =
4
Fact family for {2, 8, 10}: Write all 4 equations =
5
Fact family for {9, 9, 18}: Write all 2 equations =
6
Fact family for {10, 5, 15}: Write all 4 equations =