1
Fact family for {1, 1, 2}: Write all 2 equations =
2
Fact family for {2, 8, 10}: Write all 4 equations =
3
Fact family for {2, 9, 11}: Write all 4 equations =
4
Fact family for {3, 10, 13}: Write all 4 equations =
5
Fact family for {7, 1, 8}: Write all 4 equations =
6
Fact family for {1, 5, 6}: Write all 4 equations =