Calculation Booster
PART A: Up to 2 digits
1) 23 + 16 = ____ 16) 20 + 41 = ____
2) 45 + 32 = ____ 17) 39 + 28 = ____
3) 17 + 24 = ____ 18) 44 + 35 = ____
4) 38 + 19 = ____ 19) 53 + 22 = ____
5) 52 + 18 = ____ 20) 31 + 46 = ____
6) 29 + 14 = ____ 21) 49 + 30 = ____
7) 43 + 27 = ____ 22) 25 + 36 = ____
8) 36 + 25 = ____ 23) 60 + 15 = ____
9) 58 + 21 = ____ 24) 42 + 33 = ____
10) 11 + 48 = ____ 25) 18 + 39 = ____
11) 34 + 29 = ____ 26) 56 + 23 = ____
12) 26 + 17 = ____ 27) 27 + 41 = ____
13) 47 + 13 = ____ 28) 14 + 52 = ____
14) 32 + 38 = ____ 29) 50 + 24 = ____
15) 55 + 11 = ____ 30) 13 + 26 = ____
1. 78 - 23 = ____ 3. 92 - 47 = ____
2. 64 - 19 = ____ 4. 55 - 28 = ____
5. 83 - 36 = ____ 18. 58 - 27 = ____
6. 72 - 34 = ____ 19. 66 - 41 = ____
7. 60 - 15 = ____ 20. 79 - 35 = ____
8. 97 - 49 = ____ 21. 84 - 62 = ____
9. 88 - 53 = ____ 22. 75 - 50 = ____
10. 69 - 32 = ____ 23. 67 - 28 = ____
11. 85 - 57 = ____ 24. 91 - 44 = ____
12. 76 - 38 = ____ 25. 63 - 39 = ____
13. 54 - 29 = ____ 26. 82 - 55 = ____
14. 81 - 45 = ____ 27. 74 - 22 = ____
15. 62 - 33 = ____ 28. 59 - 38 = ____
16. 90 - 42 = ____ 29. 68 - 47 = ____
17. 73 - 56 = ____ 30. 87 - 51 = ____
Part 2: Addition and Subtraction Within 1000
1) 123 + 256 = ____ 8) 412 + 383 = ____
2) 345 + 298 = ____ 9) 276 + 309 = ____
3) 187 + 213 = ____ 10) 195 + 428 = ____
4) 452 + 176 = ____ 11) 314 + 287 = ____
5) 629 + 134 = ____ 12) 439 + 261 = ____
6) 341 + 259 = ____ 13) 552 + 138 = ____
7) 528 + 147 = ____ 14) 671 + 189 = ____
15) 745 + 254 = ____ 23) 427 + 275 = ____
16) 228 + 374 = ____ 24) 396 + 504 = ____
17) 396 + 503 = ____ 25) 615 + 293 = ____
18) 514 + 298 = ____ 26) 478 + 349 = ____
19) 623 + 267 = ____ 27) 524 + 161 = ____
20) 449 + 318 = ____ 28) 689 + 210 = ____
21) 582 + 319 = ____ 29) 342 + 457 = ____
22) 731 + 182 = ____ 30) 510 + 379 = ____
Subtraction:
31) 768 - 123 = ____ 46) 873 - 559 = ____
32) 542 - 198 = ____ 47) 721 - 486 = ____
33) 856 - 429 = ____ 48) 598 - 376 = ____
34) 731 - 315 = ____ 49) 849 - 625 = ____
35) 904 - 472 = ____ 50) 937 - 414 = ____
36) 687 - 239 = ____ 51) 764 - 538 = ____
37) 548 - 327 = ____ 52) 802 - 399 = ____
38) 795 - 184 = ____ 53) 915 - 478 = ____
39) 634 - 256 = ____ 54) 679 - 255 = ____
40) 913 - 457 = ____ 55) 857 - 426 = ____
41) 852 - 431 = ____ 56) 733 - 492 = ____
42) 726 - 298 = ____ 57) 649 - 214 = ____
43) 689 - 374 = ____ 58) 578 - 369 = ____
44) 942 - 619 = ____ 59) 906 - 537 = ____
45) 765 - 432 = ____ 60) 851 - 473 = ____
Write number sentence that fits the story.
1. There are 176 students in Grade 3 and 214 students in Grade 4. In
total, how many students are there in both grades?
2. A factory produced 487 toy cars in the first quarter and 312 toy cars
in the second quarter. In total, how many toy cars were produced?
3. The school collected 275 cans of food in one drive and 368 cans in
another. In total, how many cans of food were collected?
4. A baker made 280 loaves of bread. He sold 142 loaves. How many
loaves of bread are left?
5. There were 745 tickets available for a concert. 439 tickets were sold.
How many tickets are left?
6. A farmer has 612 chickens. He sold 258 chickens. How many
chickens does the farmer have left?
Whole and Part word problem
1. Ava has 467 pencils. She buys 152 more pencils. How many pencils
does she have now?
2. A park had 725 visitors on Saturday. On Sunday, 389 visitors came
to the park. How many visitors came to the park in total?
3. A warehouse had 654 boxes of goods. 278 boxes were shipped out.
How many boxes are left in the warehouse?
4. There are 486 students in a school. 137 students graduated. How
many students are still enrolled?
5. Lily has 389 marbles. She finds 243 more marbles. How many
marbles does she have in total?
