Fact Families Addition & Subtraction Worksheet With Answer Key Page 10
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20Answer Key
Name:
Fact Families (Addition & Subtraction)
Fill in the missing fact from the fact family.
A n s w e r s
Ex)
11 - 9 = 2
1)
8 - 6 = 2
2)
7 - 5 = 2
11 - 2 = 9
Ex.
9 + 2 = 11
8 - 2 = 6
2 + 5 = 7
2 + 9 = 11
2 + 6 = 8
5 + 2 = 7
6 + 2 = 8
1.
11 - 2 = 9
?
?
7 - 2 = 5
2.
12 - 10 = 2
3.
3)
4)
5)
12 - 2 = 10
17 - 10 = 7
8 - 3 = 5
17 - 7 = 10
10 + 2 = 12
10 + 7 = 17
5 + 3 = 8
4.
2 + 10 = 12
7 + 10 = 17
3 + 5 = 8
8 - 5 = 3
5.
?
?
?
10 - 1 = 9
6.
5 + 5 = 10
7.
6)
1 + 9 = 10
7)
10 - 5 = 5
8)
12 - 10 = 2
12 - 2 = 10
10 - 9 = 1
10 - 5 = 5
2 + 10 = 12
8.
9 + 1 = 10
5 + 5 = 10
10 + 2 = 12
7 - 6 = 1
?
?
?
9.
14 - 7 = 7
10.
13 - 4 = 9
11.
9)
10)
11)
6 + 1 = 7
7 + 7 = 14
4 + 9 = 13
7 - 1 = 6
14 - 7 = 7
9 + 4 = 13
10 - 6 = 4
12.
1 + 6 = 7
7 + 7 = 14
13 - 9 = 4
?
?
?
13 - 9 = 4
13.
20 - 10 = 10
14.
12)
4 + 6 = 10
13)
13 - 4 = 9
14)
10 + 10 = 20
10 - 4 = 6
9 + 4 = 13
10 + 10 = 20
6 + 4 = 10
4 + 9 = 13
20 - 10 = 10
?
?
?
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