1
Fact family for {8, 5, 13}: Write all 4 equations =
2
Fact family for {5, 4, 9}: Write all 4 equations =
3
Fact family for {8, 9, 17}: Write all 4 equations =
4
Fact family for {2, 1, 3}: Write all 4 equations =
5
Fact family for {7, 10, 17}: Write all 4 equations =
6
Fact family for {6, 10, 16}: Write all 4 equations =