1
Fact family for {2, 8, 10}: Write all 4 equations =
2
Fact family for {1, 3, 4}: Write all 4 equations =
3
Fact family for {10, 9, 19}: Write all 4 equations =
4
Fact family for {1, 7, 8}: Write all 4 equations =
5
Fact family for {1, 6, 7}: Write all 4 equations =
6
Fact family for {6, 3, 9}: Write all 4 equations =