1
Fact family for {6, 9, 15}: Write all 4 equations =
2
Fact family for {4, 6, 10}: Write all 4 equations =
3
Fact family for {10, 9, 19}: Write all 4 equations =
4
Fact family for {7, 6, 13}: Write all 4 equations =
5
Fact family for {7, 4, 11}: Write all 4 equations =
6
Fact family for {4, 9, 13}: Write all 4 equations =