fact-family/add-sub-within-20/easy · 세트 18

6 problems
1
Write the fact family for 14, 4, 18: =
2
Write the fact family for 9, 6, 15: =
3
Write the fact family for 5, 9, 14: =
4
Write the fact family for 11, 6, 17: =
5
Write the fact family for 3, 13, 16: =
6
Write the fact family for 3, 15, 18: =
Easy Math Print · easymathprint.com