Solving Mixed Problems (+ -) Worksheet With Answer Key

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Name:
Solving Mixed Problems (+ -)
Find the missing value in each of the problems.
A n s w e r s
1) ? + 408 = 815
407
1.
2) 546 + ? = 719
173
2.
3) 996 = 995 + ?
1
3.
4) 870 = ? + 120
750
4.
5) ? = 402 + 451
853
5.
6) 965 - 83 = ?
882
6.
7) 460 - ? = 221
239
7.
8) ? - 369 = 286
655
8.
9) ? = 1000 - 455
545
9.
10) 805 = 979 - ?
174
10.
11) 969 = ? - 17
986
11.
12) 783 + 65 = ?
848
12.
13) ? + 72 = 659
587
13.
14) 64 + ? = 717
653
14.
15) 997 = 991 + ?
6
15.
16) 996 = ? + 6
990
16.
17) ? = 277 + 22
299
17.
18) 924 - 516 = ?
408
18.
19) 227 - ? = 38
189
19.
20) ? - 28 = 659
687
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
1
11-20 45 40 35 30 25 20 15 10 5
0

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