Maths Olympiad Class 3 Word Problems Worksheet

Maths Olympiad topic 3: Addition and subtraction word problems · Set 517 · 40 questions

How to solve it (Read twice, then choose): “More”, “in all”, “altogether” → add. “Left”, “get off”, “how many more”, “difference” → take away. Two things happen? Do them one at a time, in order. Asked for “at first”? Undo what happened: put back what was given away.

1. 1.A library has 463 books. It buys 278 more. How many books does it have now? (a) 751 (b) 741 (c) 731 (d) 185
2. 2.A library has 424 books. It buys 251 more. How many books does it have now? (a) 665 (b) 675 (c) 173 (d) 685
3. 3.A train has 397 passengers. At a station, 243 passengers get off. How many are still on the train? (a) 640 (b) 164 (c) 144 (d) 154
4. 4.A school has 260 boys and 285 girls. 120 children go on a trip. How many children stay at school? (a) 545 (b) 415 (c) 665 (d) 425
5. 5.After giving away 69 marbles, a boy has 21 marbles left. How many marbles did he have at first? (a) 91 (b) 100 (c) 90 (d) 80
6. 6.A library has 133 books. It buys 343 more. How many books does it have now? (a) 466 (b) 576 (c) 486 (d) 476
7. 7.A school has 163 boys and 116 girls. 130 children go on a trip. How many children stay at school? (a) 139 (b) 279 (c) 409 (d) 149
8. 8.A train has 307 passengers. At a station, 138 passengers get off. How many are still on the train? (a) 445 (b) 179 (c) 159 (d) 169
9. 9.After giving away 29 marbles, a boy has 95 marbles left. How many marbles did he have at first? (a) 134 (b) 66 (c) 114 (d) 124
10. 10.A library has 329 books. It buys 143 more. How many books does it have now? (a) 186 (b) 482 (c) 472 (d) 462
11. 11.A farmer picks 429 mangoes on Monday and 295 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 144 (b) 724 (c) 134 (d) 124
12. 12.A school has 284 boys and 217 girls. 108 children go on a trip. How many children stay at school? (a) 383 (b) 501 (c) 609 (d) 393
13. 13.A train has 501 passengers. At a station, 129 passengers get off. How many are still on the train? (a) 372 (b) 362 (c) 630 (d) 382
14. 14.A train has 402 passengers. At a station, 312 passengers get off. How many are still on the train? (a) 714 (b) 80 (c) 90 (d) 100
15. 15.A school has 143 boys and 193 girls. 91 children go on a trip. How many children stay at school? (a) 336 (b) 427 (c) 235 (d) 245
16. 16.A library has 433 books. It buys 127 more. How many books does it have now? (a) 560 (b) 306 (c) 570 (d) 550
17. 17.After giving away 200 marbles, a boy has 158 marbles left. How many marbles did he have at first? (a) 348 (b) 368 (c) 359 (d) 358
18. 18.A school has 162 boys and 152 girls. 94 children go on a trip. How many children stay at school? (a) 220 (b) 314 (c) 210 (d) 408
19. 19.A library has 339 books. It buys 222 more. How many books does it have now? (a) 551 (b) 117 (c) 561 (d) 571
20. 20.A train has 528 passengers. At a station, 348 passengers get off. How many are still on the train? (a) 190 (b) 876 (c) 180 (d) 170
21. 21.After giving away 70 marbles, a boy has 67 marbles left. How many marbles did he have at first? (a) 147 (b) 138 (c) 137 (d) 127
22. 22.A library has 366 books. It buys 82 more. How many books does it have now? (a) 438 (b) 458 (c) 284 (d) 448
23. 23.After giving away 90 marbles, a boy has 140 marbles left. How many marbles did he have at first? (a) 230 (b) 240 (c) 220 (d) 50
24. 24.A farmer picks 237 mangoes on Monday and 189 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 58 (b) 426 (c) 48 (d) 38
25. 25.A train has 726 passengers. At a station, 201 passengers get off. How many are still on the train? (a) 515 (b) 525 (c) 927 (d) 535
26. 26.After giving away 65 marbles, a boy has 127 marbles left. How many marbles did he have at first? (a) 202 (b) 192 (c) 182 (d) 62
27. 27.After giving away 91 marbles, a boy has 22 marbles left. How many marbles did he have at first? (a) 114 (b) 123 (c) 103 (d) 113
28. 28.A train has 760 passengers. At a station, 373 passengers get off. How many are still on the train? (a) 1133 (b) 387 (c) 397 (d) 377
29. 29.After giving away 182 marbles, a boy has 172 marbles left. How many marbles did he have at first? (a) 355 (b) 344 (c) 354 (d) 364
30. 30.A farmer picks 402 mangoes on Monday and 142 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 260 (b) 270 (c) 544 (d) 250
31. 31.A train has 388 passengers. At a station, 331 passengers get off. How many are still on the train? (a) 47 (b) 57 (c) 67 (d) 719
32. 32.After giving away 115 marbles, a boy has 42 marbles left. How many marbles did he have at first? (a) 147 (b) 158 (c) 157 (d) 167
33. 33.After giving away 58 marbles, a boy has 121 marbles left. How many marbles did he have at first? (a) 63 (b) 189 (c) 179 (d) 169
34. 34.A train has 516 passengers. At a station, 202 passengers get off. How many are still on the train? (a) 314 (b) 304 (c) 324 (d) 718
35. 35.After giving away 153 marbles, a boy has 84 marbles left. How many marbles did he have at first? (a) 247 (b) 227 (c) 237 (d) 238
36. 36.A train has 735 passengers. At a station, 191 passengers get off. How many are still on the train? (a) 554 (b) 544 (c) 926 (d) 534
37. 37.A library has 447 books. It buys 134 more. How many books does it have now? (a) 571 (b) 313 (c) 581 (d) 591
38. 38.After giving away 79 marbles, a boy has 46 marbles left. How many marbles did he have at first? (a) 125 (b) 126 (c) 135 (d) 115
39. 39.A farmer picks 439 mangoes on Monday and 175 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 274 (b) 264 (c) 614 (d) 254
40. 40.A school has 176 boys and 272 girls. 74 children go on a trip. How many children stay at school? (a) 448 (b) 374 (c) 522 (d) 364

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