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 + 10 = 17
2)
10 + 9 = 19
3)
2 + 5 = 7
1.
10 + 7 = 17
19 - 10 = 9
5 + 2 = 7
17 - 10 = 7
19 - 9 = 10
7 - 2 = 5
2.
A. 18 - 7 = 11
A. 9 + 19 = 10
A. 2 - 7 = 5
B. 17 - 7 = 7
B. 19 + 10 = 29
B. 9 - 5 = 4
3.
C. 17 + 7 = 24
C. 29 - 9 = 20
C. 8 - 2 = 6
D. 17 - 7 = 10
D. 9 + 10 = 19
D. 7 - 5 = 2
4.
5.
4)
5)
6)
9 + 7 = 16
5 - 3 = 2
3 - 2 = 1
6.
7 + 9 = 16
2 + 3 = 5
1 + 2 = 3
16 - 7 = 9
5 - 2 = 3
2 + 1 = 3
7.
A. 9 - 16 = 7
A. 3 + 2 = 5
A. 3 + 1 = 4
B. 16 - 9 = 9
B. 6 - 2 = 4
B. 2 + 3 = 1
8.
C. 25 - 7 = 18
C. 7 - 3 = 4
C. 3 + 1 = 4
D. 16 - 9 = 7
D. 3 + 5 = 2
D. 3 - 1 = 2
9.
10.
7)
8)
9)
8 + 6 = 14
12 - 3 = 9
7 - 3 = 4
11.
6 + 8 = 14
9 + 3 = 12
4 + 3 = 7
14 - 8 = 6
3 + 9 = 12
3 + 4 = 7
12.
A. 6 + 14 = 8
A. 12 - 9 = 3
A. 3 - 7 = 4
B. 14 - 6 = 8
B. 12 - 3 = 3
B. 5 + 3 = 8
C. 14 + 8 = 22
C. 13 - 3 = 10
C. 8 - 3 = 5
D. 7 + 8 = 15
D. 10 + 3 = 13
D. 7 - 4 = 3
10)
5 + 6 = 11
11)
7 + 5 = 12
12)
6 - 1 = 5
6 + 5 = 11
5 + 7 = 12
1 + 5 = 6
11 - 5 = 6
12 - 5 = 7
6 - 5 = 1
A. 5 + 11 = 6
A. 13 - 7 = 6
A. 5 + 1 = 6
B. 11 - 6 = 6
B. 19 - 5 = 14
B. 6 + 1 = 7
C. 11 + 6 = 17
C. 12 - 7 = 5
C. 7 - 1 = 6
D. 11 - 6 = 5
D. 5 + 12 = 7
D. 7 - 5 = 2
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