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)
3 - 2 = 1
3)
8 - 2 = 6
1.
7 - 6 = 1
1 + 2 = 3
8 - 6 = 2
6 + 1 = 7
2 + 1 = 3
2 + 6 = 8
2.
A. 7 - 1 = 1
A. 3 + 1 = 4
A. 8 + 2 = 10
B. 7 + 1 = 8
B. 4 - 1 = 3
B. 6 + 8 = 2
3.
C. 6 + 7 = 1
C. 4 - 2 = 2
C. 9 - 2 = 7
D. 1 + 6 = 7
D. 3 - 1 = 2
D. 6 + 2 = 8
4.
5.
4)
5)
6)
9 - 4 = 5
5 - 3 = 2
3 + 7 = 10
6.
9 - 5 = 4
2 + 3 = 5
10 - 7 = 3
5 + 4 = 9
3 + 2 = 5
7 + 3 = 10
7.
A. 4 + 5 = 9
A. 8 - 2 = 6
A. 11 - 7 = 4
B. 9 + 4 = 13
B. 5 - 3 = 3
B. 10 - 7 = 7
8.
C. 10 - 4 = 6
C. 5 - 2 = 3
C. 17 - 3 = 14
D. 5 + 9 = 4
D. 6 - 3 = 3
D. 10 - 3 = 7
9.
10.
7)
8)
9)
10 + 8 = 18
10 + 4 = 14
8 - 6 = 2
11.
18 - 8 = 10
4 + 10 = 14
2 + 6 = 8
8 + 10 = 18
14 - 10 = 4
8 - 2 = 6
12.
A. 10 - 18 = 8
A. 15 - 4 = 11
A. 8 - 6 = 6
B. 9 + 10 = 19
B. 14 - 4 = 10
B. 2 + 8 = 6
C. 19 - 10 = 9
C. 18 - 10 = 8
C. 6 + 2 = 8
D. 18 - 10 = 8
D. 14 + 4 = 18
D. 8 + 6 = 14
10)
14 - 9 = 5
11)
9 - 3 = 6
12)
8 + 4 = 12
5 + 9 = 14
9 - 6 = 3
12 - 4 = 8
9 + 5 = 14
3 + 6 = 9
12 - 8 = 4
A. 5 + 14 = 9
A. 3 - 9 = 6
A. 12 + 8 = 20
B. 14 - 5 = 9
B. 9 + 3 = 12
B. 13 - 8 = 5
C. 14 - 9 = 9
C. 6 + 9 = 3
C. 8 - 12 = 4
D. 9 - 14 = 5
D. 6 + 3 = 9
D. 4 + 8 = 12
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