1
Fact family for {3, 9, 12}: Write all 4 equations =
2
Fact family for {15, 2, 17}: Write all 4 equations =
3
Fact family for {4, 19, 23}: Write all 4 equations =
4
Fact family for {11, 5, 16}: Write all 4 equations =
5
Fact family for {20, 15, 35}: Write all 4 equations =
6
Fact family for {2, 4, 6}: Write all 4 equations =