Maths Olympiad Class 3 Word Problems Worksheet

Maths Olympiad topic 3: Addition and subtraction word problems · Set 531 · 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.After giving away 68 marbles, a boy has 222 marbles left. How many marbles did he have at first? (a) 154 (b) 300 (c) 280 (d) 290
2. 2.After giving away 39 marbles, a boy has 93 marbles left. How many marbles did he have at first? (a) 142 (b) 54 (c) 132 (d) 122
3. 3.A school has 206 boys and 148 girls. 138 children go on a trip. How many children stay at school? (a) 354 (b) 492 (c) 206 (d) 216
4. 4.A library has 412 books. It buys 228 more. How many books does it have now? (a) 640 (b) 184 (c) 650 (d) 630
5. 5.After giving away 136 marbles, a boy has 294 marbles left. How many marbles did he have at first? (a) 440 (b) 158 (c) 430 (d) 420
6. 6.A school has 254 boys and 141 girls. 142 children go on a trip. How many children stay at school? (a) 395 (b) 537 (c) 253 (d) 243
7. 7.A school has 164 boys and 175 girls. 100 children go on a trip. How many children stay at school? (a) 339 (b) 239 (c) 229 (d) 439
8. 8.After giving away 86 marbles, a boy has 21 marbles left. How many marbles did he have at first? (a) 97 (b) 107 (c) 108 (d) 117
9. 9.After giving away 82 marbles, a boy has 56 marbles left. How many marbles did he have at first? (a) 128 (b) 138 (c) 139 (d) 148
10. 10.After giving away 56 marbles, a boy has 297 marbles left. How many marbles did he have at first? (a) 241 (b) 353 (c) 343 (d) 363
11. 11.A school has 139 boys and 232 girls. 136 children go on a trip. How many children stay at school? (a) 235 (b) 371 (c) 225 (d) 507
12. 12.After giving away 193 marbles, a boy has 189 marbles left. How many marbles did he have at first? (a) 383 (b) 372 (c) 392 (d) 382
13. 13.A library has 206 books. It buys 259 more. How many books does it have now? (a) 565 (b) 475 (c) 455 (d) 465
14. 14.A train has 656 passengers. At a station, 137 passengers get off. How many are still on the train? (a) 509 (b) 793 (c) 529 (d) 519
15. 15.A library has 346 books. It buys 241 more. How many books does it have now? (a) 587 (b) 105 (c) 577 (d) 597
16. 16.A farmer picks 577 mangoes on Monday and 352 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 929 (b) 235 (c) 225 (d) 215
17. 17.A school has 250 boys and 139 girls. 58 children go on a trip. How many children stay at school? (a) 447 (b) 389 (c) 321 (d) 331
18. 18.A library has 196 books. It buys 127 more. How many books does it have now? (a) 333 (b) 69 (c) 313 (d) 323
19. 19.After giving away 119 marbles, a boy has 238 marbles left. How many marbles did he have at first? (a) 347 (b) 119 (c) 367 (d) 357
20. 20.After giving away 42 marbles, a boy has 29 marbles left. How many marbles did he have at first? (a) 81 (b) 61 (c) 72 (d) 71
21. 21.A school has 237 boys and 108 girls. 60 children go on a trip. How many children stay at school? (a) 275 (b) 285 (c) 345 (d) 405
22. 22.A library has 372 books. It buys 298 more. How many books does it have now? (a) 74 (b) 680 (c) 670 (d) 660
23. 23.A train has 616 passengers. At a station, 484 passengers get off. How many are still on the train? (a) 1100 (b) 122 (c) 142 (d) 132
24. 24.A farmer picks 485 mangoes on Monday and 345 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 830 (b) 140 (c) 130 (d) 150
25. 25.A library has 276 books. It buys 160 more. How many books does it have now? (a) 426 (b) 116 (c) 446 (d) 436
26. 26.A library has 193 books. It buys 198 more. How many books does it have now? (a) 491 (b) 391 (c) 381 (d) 401
27. 27.After giving away 104 marbles, a boy has 157 marbles left. How many marbles did he have at first? (a) 53 (b) 251 (c) 271 (d) 261
28. 28.A library has 351 books. It buys 331 more. How many books does it have now? (a) 672 (b) 682 (c) 20 (d) 692
29. 29.A farmer picks 440 mangoes on Monday and 176 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 274 (b) 264 (c) 616 (d) 254
30. 30.After giving away 95 marbles, a boy has 81 marbles left. How many marbles did he have at first? (a) 177 (b) 166 (c) 176 (d) 186
31. 31.After giving away 91 marbles, a boy has 62 marbles left. How many marbles did he have at first? (a) 163 (b) 154 (c) 153 (d) 143
32. 32.After giving away 60 marbles, a boy has 145 marbles left. How many marbles did he have at first? (a) 215 (b) 195 (c) 205 (d) 85
33. 33.A library has 209 books. It buys 77 more. How many books does it have now? (a) 296 (b) 132 (c) 286 (d) 276
34. 34.A farmer picks 469 mangoes on Monday and 441 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 28 (b) 910 (c) 38 (d) 18
35. 35.A farmer picks 583 mangoes on Monday and 164 mangoes on Tuesday. How many more mangoes did he pick on Monday? (a) 429 (b) 747 (c) 419 (d) 409
36. 36.After giving away 170 marbles, a boy has 108 marbles left. How many marbles did he have at first? (a) 278 (b) 268 (c) 279 (d) 288
37. 37.A library has 212 books. It buys 337 more. How many books does it have now? (a) 549 (b) 539 (c) 559 (d) 649
38. 38.A school has 231 boys and 124 girls. 65 children go on a trip. How many children stay at school? (a) 355 (b) 420 (c) 290 (d) 280
39. 39.A school has 282 boys and 188 girls. 100 children go on a trip. How many children stay at school? (a) 570 (b) 470 (c) 370 (d) 360
40. 40.A school has 101 boys and 143 girls. 68 children go on a trip. How many children stay at school? (a) 166 (b) 176 (c) 244 (d) 312

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