1
Fact family for {10, 8, 18}: Write all 4 equations =
2
Fact family for {2, 10, 12}: Write all 4 equations =
3
Fact family for {9, 10, 19}: Write all 4 equations =
4
Fact family for {1, 1, 2}: Write all 2 equations =
5
Fact family for {10, 6, 16}: Write all 4 equations =
6
Fact family for {2, 7, 9}: Write all 4 equations =