Fact Families Addition & Subtraction Worksheet With Answer Key
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1
2Name:
Fact Families (Addition & Subtraction)
Fill in the missing fact from the fact family.
A n s w e r s
Ex)
14 - 5 = 9
1)
10 - 5 = 5
2)
5 + 10 = 15
9 + 5 = 14
Ex.
5 + 9 = 14
5 + 5 = 10
15 - 10 = 5
14 - 9 = 5
5 + 5 = 10
10 + 5 = 15
1.
9 + 5 = 14
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2.
3.
3)
4)
5)
10 - 8 = 2
12 - 5 = 7
15 - 9 = 6
10 - 2 = 8
7 + 5 = 12
9 + 6 = 15
4.
2 + 8 = 10
5 + 7 = 12
15 - 6 = 9
5.
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6.
7.
6)
4 + 10 = 14
7)
5 - 3 = 2
8)
12 - 9 = 3
14 - 4 = 10
3 + 2 = 5
3 + 9 = 12
8.
14 - 10 = 4
5 - 2 = 3
12 - 3 = 9
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9.
10.
11.
9)
10)
11)
8 - 4 = 4
6 - 2 = 4
4 + 3 = 7
8 - 4 = 4
2 + 4 = 6
7 - 4 = 3
12.
4 + 4 = 8
6 - 4 = 2
7 - 3 = 4
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13.
14.
12)
14 - 9 = 5
13)
2 + 9 = 11
14)
10 + 8 = 18
5 + 9 = 14
9 + 2 = 11
18 - 8 = 10
14 - 5 = 9
11 - 9 = 2
18 - 10 = 8
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