1
Fact family for {7, 8, 15}: Write all 4 equations =
2
Fact family for {2, 5, 7}: Write all 4 equations =
3
Fact family for {8, 5, 13}: Write all 4 equations =
4
Fact family for {7, 8, 15}: Write all 4 equations =
5
Fact family for {4, 4, 8}: Write all 2 equations =
6
Fact family for {9, 10, 19}: Write all 4 equations =