U. Fact Families Quiz
Complete the number sentences for each fact family.
- 13 − 7 =
- 7 + = 13
- 6 + = 13
- 13 − = 6
- 8 + = 12
- 12 − = 8
- − 8 = 4
- 4 + = 12
- 5 + = 12
- 12 − 5 =
- 12 − = 5
- + 5 = 12
- − 8 = 7
- 7 + 8 =
- 8 + = 15
- 15 − = 8
Complete the number sentences for each fact family.