1
Fact family for {2, 4, 6}: Write all 4 equations =
2
Fact family for {4, 1, 5}: Write all 4 equations =
3
Fact family for {2, 3, 5}: Write all 4 equations =
4
Fact family for {10, 10, 20}: Write all 2 equations =
5
Fact family for {10, 4, 14}: Write all 4 equations =
6
Fact family for {1, 2, 3}: Write all 4 equations =