Maths Olympiad Class 3 Word Problems Worksheet

Maths Olympiad topic 3: Addition and subtraction word problems · Set 279 · 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 school has 105 boys and 131 girls. 109 children go on a trip. How many children stay at school? (a) 236 (b) 345 (c) 117 (d) 127
2. 2.A library has 480 books. It buys 284 more. How many books does it have now? (a) 764 (b) 774 (c) 754 (d) 196
3. 3.A library has 437 books. It buys 252 more. How many books does it have now? (a) 679 (b) 689 (c) 699 (d) 185
4. 4.A school has 228 boys and 157 girls. 62 children go on a trip. How many children stay at school? (a) 313 (b) 323 (c) 385 (d) 447
5. 5.A train has 580 passengers. At a station, 421 passengers get off. How many are still on the train? (a) 159 (b) 149 (c) 169 (d) 1001
6. 6.A school has 157 boys and 129 girls. 101 children go on a trip. How many children stay at school? (a) 175 (b) 286 (c) 387 (d) 185
7. 7.A school has 195 boys and 222 girls. 85 children go on a trip. How many children stay at school? (a) 322 (b) 502 (c) 417 (d) 332
8. 8.A school has 240 boys and 227 girls. 121 children go on a trip. How many children stay at school? (a) 336 (b) 467 (c) 346 (d) 588
9. 9.A school has 168 boys and 290 girls. 53 children go on a trip. How many children stay at school? (a) 405 (b) 511 (c) 395 (d) 458
10. 10.A school has 246 boys and 216 girls. 53 children go on a trip. How many children stay at school? (a) 515 (b) 409 (c) 399 (d) 462
11. 11.After giving away 174 marbles, a boy has 152 marbles left. How many marbles did he have at first? (a) 316 (b) 336 (c) 327 (d) 326
12. 12.A library has 479 books. It buys 87 more. How many books does it have now? (a) 392 (b) 556 (c) 566 (d) 576
13. 13.A library has 391 books. It buys 236 more. How many books does it have now? (a) 637 (b) 617 (c) 627 (d) 155
14. 14.A library has 295 books. It buys 194 more. How many books does it have now? (a) 479 (b) 489 (c) 101 (d) 499
15. 15.A school has 192 boys and 163 girls. 117 children go on a trip. How many children stay at school? (a) 472 (b) 355 (c) 228 (d) 238
16. 16.A library has 272 books. It buys 105 more. How many books does it have now? (a) 167 (b) 387 (c) 367 (d) 377
17. 17.A library has 316 books. It buys 162 more. How many books does it have now? (a) 488 (b) 468 (c) 478 (d) 154
18. 18.A farmer picks 310 mangoes on Monday and 104 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 414 (b) 216 (c) 196 (d) 206
19. 19.A school has 194 boys and 201 girls. 55 children go on a trip. How many children stay at school? (a) 330 (b) 395 (c) 450 (d) 340
20. 20.A school has 288 boys and 278 girls. 129 children go on a trip. How many children stay at school? (a) 427 (b) 437 (c) 695 (d) 566
21. 21.A train has 505 passengers. At a station, 422 passengers get off. How many are still on the train? (a) 927 (b) 93 (c) 83 (d) 73
22. 22.A farmer picks 391 mangoes on Monday and 129 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 252 (b) 272 (c) 520 (d) 262
23. 23.A farmer picks 527 mangoes on Monday and 115 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 402 (b) 412 (c) 642 (d) 422
24. 24.A farmer picks 584 mangoes on Monday and 423 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 171 (b) 161 (c) 1007 (d) 151
25. 25.A train has 698 passengers. At a station, 536 passengers get off. How many are still on the train? (a) 172 (b) 1234 (c) 162 (d) 152
26. 26.After giving away 198 marbles, a boy has 107 marbles left. How many marbles did he have at first? (a) 315 (b) 295 (c) 305 (d) 306
27. 27.A library has 151 books. It buys 76 more. How many books does it have now? (a) 227 (b) 217 (c) 75 (d) 237
28. 28.A library has 235 books. It buys 276 more. How many books does it have now? (a) 501 (b) 511 (c) 611 (d) 521
29. 29.After giving away 33 marbles, a boy has 284 marbles left. How many marbles did he have at first? (a) 327 (b) 307 (c) 251 (d) 317
30. 30.A library has 399 books. It buys 92 more. How many books does it have now? (a) 307 (b) 491 (c) 501 (d) 481
31. 31.After giving away 56 marbles, a boy has 61 marbles left. How many marbles did he have at first? (a) 107 (b) 5 (c) 127 (d) 117
32. 32.A library has 123 books. It buys 208 more. How many books does it have now? (a) 431 (b) 341 (c) 321 (d) 331
33. 33.After giving away 122 marbles, a boy has 51 marbles left. How many marbles did he have at first? (a) 163 (b) 173 (c) 183 (d) 174
34. 34.After giving away 88 marbles, a boy has 282 marbles left. How many marbles did he have at first? (a) 360 (b) 194 (c) 380 (d) 370
35. 35.A farmer picks 222 mangoes on Monday and 178 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 54 (b) 44 (c) 34 (d) 400
36. 36.After giving away 140 marbles, a boy has 221 marbles left. How many marbles did he have at first? (a) 81 (b) 371 (c) 361 (d) 351
37. 37.A library has 307 books. It buys 241 more. How many books does it have now? (a) 558 (b) 538 (c) 66 (d) 548
38. 38.A library has 299 books. It buys 297 more. How many books does it have now? (a) 596 (b) 2 (c) 586 (d) 606
39. 39.A school has 220 boys and 188 girls. 82 children go on a trip. How many children stay at school? (a) 316 (b) 408 (c) 490 (d) 326
40. 40.After giving away 133 marbles, a boy has 254 marbles left. How many marbles did he have at first? (a) 397 (b) 387 (c) 377 (d) 121

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