1
Fact family for {1, 8, 9}: Write all 4 equations =
2
Fact family for {6, 8, 14}: Write all 4 equations =
3
Fact family for {2, 4, 6}: Write all 4 equations =
4
Fact family for {10, 8, 18}: Write all 4 equations =
5
Fact family for {6, 7, 13}: Write all 4 equations =
6
Fact family for {1, 9, 10}: Write all 4 equations =