Solving Mixed Problems (+ -) Worksheet With Answer Key Page 20
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30Answer Key
Name:
Solving Mixed Problems (+ -)
Find the missing value in each of the problems.
A n s w e r s
1) ? + 1 = 4
3
1.
2) 8 + ? = 15
7
2.
3) 8 = 5 + ?
3
3.
4) 12 = ? + 9
3
4.
5) ? = 1 + 5
6
5.
6) 18 - 8 = ?
10
6.
7) 10 - ? = 3
7
7.
8) ? - 3 = 8
11
8.
9) ? = 13 - 8
5
9.
10) 1 = 8 - ?
7
10.
11) 9 = ? - 10
19
11.
12) 7 + 2 = ?
9
12.
13) ? + 10 = 12
2
13.
14) 9 + ? = 10
1
14.
15) 13 = 3 + ?
10
15.
16) 12 = ? + 5
7
16.
17) ? = 8 + 7
15
17.
18) 10 - 8 = ?
2
18.
19) 14 - ? = 10
4
19.
20) ? - 9 = 5
14
20.
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