1
Fact family for {3, 9, 12}: Write all 4 equations =
2
Fact family for {3, 8, 11}: Write all 4 equations =
3
Fact family for {10, 5, 15}: Write all 4 equations =
4
Fact family for {4, 7, 11}: Write all 4 equations =
5
Fact family for {8, 4, 12}: Write all 4 equations =
6
Fact family for {10, 9, 19}: Write all 4 equations =