Here is the complete solution to the "Addition And Subtraction" worksheet, with step-by-step explanations for each problem.
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1) 450 – 11 – 365 + 409
We evaluate left to right (addition and subtraction have equal precedence):
- 450 – 11 = 439
- 439 – 365 = 74
- 74 + 409 =
483
✔ Answer: B) 483
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2) 456 + 752 + 974 – 254
Group additions first:
- 456 + 752 = 1208
- 1208 + 974 = 2182
- 2182 – 254 =
1928
✔ Answer: D) 1928
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3) 916 + 868 + 737 + 910
Add all numbers:
- 916 + 868 = 1784
- 1784 + 737 = 2521
- 2521 + 910 =
3431
✔ Answer: B) 3431
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4) 460 + 489 – 277 – 177
Left to right:
- 460 + 489 = 949
- 949 – 277 = 672
- 672 – 177 =
495
✔ Answer: B) 495
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5) 463 + 492 – 316 – 100
- 463 + 492 = 955
- 955 – 316 = 639
- 639 – 100 =
539
✔ Answer: C) 539
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6) 466 – 229 + 621 + 22
- 466 – 229 = 237
- 237 + 621 = 858
- 858 + 22 =
880
✔ Answer: B) 880
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7) 473 + 970 + 964 + 133
- 473 + 970 = 1443
- 1443 + 964 = 2407
- 2407 + 133 =
2540
✔ Answer: D) 2540
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8) 476 + 707 – 268 – 55
- 476 + 707 = 1183
- 1183 – 268 = 915
- 915 – 55 =
860
✔ Answer: B) 860
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9) 941 + 785 + 868 + 361
- 941 + 785 = 1726
- 1726 + 868 = 2594
- 2594 + 361 =
2955
✔ Answer: A) 2955
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10) 479 + 445 + 572 – 979
- 479 + 445 = 924
- 924 + 572 = 1496
- 1496 – 979 =
517
✔ Answer: A) 517
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11) 483 – 447 + 876 – 902
- 483 – 447 = 36
- 36 + 876 = 912
- 912 – 902 =
10
✔ Answer: D) 10
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12) 486 – 185 + 916 + 825
- 486 – 185 = 301
- 301 + 916 = 1217
- 1217 + 825 =
2042
✔ Answer: C) 2042
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13) 489 + 923 – 219 + 747
- 489 + 923 = 1412
- 1412 – 219 = 1193
- 1193 + 747 =
1940
✔ Answer: B) 1940
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14) 492 + 925 + 523 + 670
- 492 + 925 = 1417
- 1417 + 523 = 1940
- 1940 + 670 =
2610
✔ Answer: D) 2610
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15) 496 + 663 + 827 + 593
- 496 + 663 = 1159
- 1159 + 827 = 1986
- 1986 + 593 =
2579
✔ Answer: B) 2579
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16) 711 + 476 – 448 + 944
- 711 + 476 = 1187
- 1187 – 448 = 739
- 739 + 944 =
1683
✔ Answer: B) 1683
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17) 787 – 235 + 300 + 60
- 787 – 235 = 552
- 552 + 300 = 852
- 852 + 60 =
912
✔ Answer: B) 912
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18) 597 + 731 – 152 + 442
- 597 + 731 = 1328
- 1328 – 152 = 1176
- 1176 + 442 =
1618
✔ Answer: D) 1618
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✔ Final Answer Key:
1.
B
2.
D
3.
B
4.
B
5.
C
6.
B
7.
D
8.
B
9.
A
10.
A
11.
D
12.
C
13.
B
14.
D
15.
B
16.
B
17.
B
18.
D
Let me know if you’d like a printable version or practice sheets!
Parent Tip: Review the logic above to help your child master the concept of addition subtraction worksheet 4th.
