Common Core: 1.OA
Answer Key
Grade 1number-bondsEasy

Fact Families (Set B)

More fact family practice

8 problems

1.
9?5
ans
? + 5 = 9
2.
94?
ans
4 + ? = 9
3.
?45
ans
4 + 5 = ?
4.
95?
ans
5 + ? = 9
5.
10?4
ans
? + 4 = 10
6.
106?
ans
6 + ? = 10
7.
?64
ans
6 + 4 = ?
8.
104?
ans
4 + ? = 10