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)
16 - 7 = 9
2)
1 + 8 = 9
3)
2 + 5 = 7
1.
9 + 7 = 16
9 - 8 = 1
7 - 5 = 2
7 + 9 = 16
9 - 1 = 8
5 + 2 = 7
2.
A. 16 - 9 = 7
A. 10 - 8 = 2
A. 7 - 2 = 5
B. 23 - 9 = 14
B. 8 + 1 = 9
B. 2 + 7 = 5
3.
C. 17 - 7 = 10
C. 10 - 1 = 9
C. 7 - 5 = 5
D. 16 + 7 = 23
D. 9 + 1 = 10
D. 5 - 7 = 2
4.
5.
4)
5)
6)
4 + 6 = 10
5 - 2 = 3
11 - 6 = 5
6.
6 + 4 = 10
3 + 2 = 5
6 + 5 = 11
10 - 6 = 4
2 + 3 = 5
11 - 5 = 6
7.
A. 10 + 6 = 16
A. 5 + 3 = 8
A. 11 + 5 = 16
B. 5 + 6 = 11
B. 3 + 3 = 6
B. 5 - 11 = 6
8.
C. 11 - 6 = 5
C. 8 - 2 = 6
C. 11 - 5 = 5
D. 10 - 4 = 6
D. 5 - 3 = 2
D. 5 + 6 = 11
9.
10.
7)
8)
9)
3 + 5 = 8
10 - 9 = 1
2 + 9 = 11
11.
8 - 5 = 3
10 - 1 = 9
11 - 9 = 2
5 + 3 = 8
9 + 1 = 10
9 + 2 = 11
12.
A. 5 + 8 = 3
A. 10 - 9 = 9
A. 11 - 2 = 9
B. 8 - 3 = 3
B. 10 + 9 = 19
B. 11 - 9 = 9
C. 6 + 3 = 9
C. 1 + 9 = 10
C. 9 - 11 = 2
D. 8 - 3 = 5
D. 2 + 9 = 11
D. 2 + 11 = 9
10)
9 + 7 = 16
11)
5 + 2 = 7
12)
7 + 4 = 11
7 + 9 = 16
7 - 2 = 5
11 - 4 = 7
16 - 9 = 7
7 - 5 = 2
11 - 7 = 4
A. 17 - 9 = 8
A. 8 - 2 = 6
A. 5 + 7 = 12
B. 9 - 16 = 7
B. 9 - 5 = 4
B. 4 + 7 = 11
C. 25 - 7 = 18
C. 2 + 5 = 7
C. 4 + 11 = 7
D. 16 - 7 = 9
D. 5 + 7 = 2
D. 11 + 7 = 18
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