1
Fact family for {18, 1, 19}: Write all 4 equations =
2
Fact family for {9, 11, 20}: Write all 4 equations =
3
Fact family for {16, 11, 27}: Write all 4 equations =
4
Fact family for {19, 1, 20}: Write all 4 equations =
5
Fact family for {10, 20, 30}: Write all 4 equations =
6
Fact family for {10, 4, 14}: Write all 4 equations =