1
Fact family for {2, 1, 3}: Write all 4 equations =
2
Fact family for {4, 3, 7}: Write all 4 equations =
3
Fact family for {5, 10, 15}: Write all 4 equations =
4
Fact family for {10, 6, 16}: Write all 4 equations =
5
Fact family for {3, 10, 13}: Write all 4 equations =
6
Fact family for {4, 6, 10}: Write all 4 equations =