Fact Families Addition & Subtraction Worksheet With Answer Key
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1
2
3Name:
Fact Families (Addition & Subtraction)
Determine which letter best represents the missing fact from the fact family.
A n s w e r s
1)
7 - 1 = 6
2)
9 + 4 = 13
3)
8 - 1 = 7
1.
1 + 6 = 7
13 - 9 = 4
1 + 7 = 8
6 + 1 = 7
13 - 4 = 9
8 - 7 = 1
2.
A. 8 - 6 = 2
A. 10 + 4 = 14
A. 9 - 1 = 8
B. 7 - 6 = 1
B. 13 + 4 = 17
B. 9 - 7 = 2
3.
C. 7 + 1 = 8
C. 4 + 9 = 13
C. 8 - 1 = 1
D. 8 - 1 = 7
D. 13 - 4 = 4
D. 7 + 1 = 8
4.
5.
4)
5)
6)
4 + 9 = 13
7 + 4 = 11
16 - 7 = 9
6.
9 + 4 = 13
11 - 7 = 4
16 - 9 = 7
13 - 4 = 9
11 - 4 = 7
9 + 7 = 16
7.
A. 13 - 9 = 4
A. 4 - 11 = 7
A. 23 - 9 = 14
B. 22 - 4 = 18
B. 11 + 4 = 15
B. 17 - 7 = 10
8.
C. 13 - 9 = 9
C. 4 + 7 = 11
C. 7 + 9 = 16
D. 4 + 13 = 9
D. 8 + 4 = 12
D. 16 - 7 = 7
9.
10.
7)
8)
9)
9 - 1 = 8
8 - 2 = 6
4 + 5 = 9
11.
1 + 8 = 9
8 - 6 = 2
9 - 4 = 5
9 - 8 = 1
6 + 2 = 8
5 + 4 = 9
12.
A. 8 + 1 = 9
A. 3 + 6 = 9
A. 4 + 9 = 5
B. 9 - 1 = 1
B. 8 - 6 = 6
B. 5 - 9 = 4
C. 9 + 1 = 10
C. 2 + 8 = 6
C. 9 + 5 = 14
D. 9 + 1 = 10
D. 2 + 6 = 8
D. 9 - 5 = 4
10)
13 - 6 = 7
11)
9 + 5 = 14
12)
14 - 4 = 10
13 - 7 = 6
5 + 9 = 14
4 + 10 = 14
6 + 7 = 13
14 - 9 = 5
14 - 10 = 4
A. 7 + 7 = 14
A. 15 - 5 = 10
A. 24 - 4 = 20
B. 20 - 6 = 14
B. 14 - 5 = 5
B. 15 - 10 = 5
C. 13 - 7 = 7
C. 14 + 5 = 19
C. 10 + 4 = 14
D. 7 + 6 = 13
D. 14 - 5 = 9
D. 14 + 10 = 24
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