1
Fact family for {20, 13, 33}: Write all 4 equations =
2
Fact family for {17, 3, 20}: Write all 4 equations =
3
Fact family for {7, 14, 21}: Write all 4 equations =
4
Fact family for {17, 1, 18}: Write all 4 equations =
5
Fact family for {6, 18, 24}: Write all 4 equations =
6
Fact family for {16, 13, 29}: Write all 4 equations =