1
Write the fact family for 20, 21, 41: =
2
Write the fact family for 24, 15, 39: =
3
Write the fact family for 28, 19, 47: =
4
Write the fact family for 30, 20, 50: =
5
Write the fact family for 38, 9, 47: =
6
Write the fact family for 19, 11, 30: =