Adding and subtracting to 1000

Worksheet: Adding and subtracting to 1000

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Answer the questions.

1. What is 243 + 125?
   a) 268b) 358c) 368d) 378
2. What is 457 + 285?
   a) 632b) 642c) 732d) 742
3. Adding 368 and 275 gives 643.
   a) Trueb) False
4. What is 574 − 231?
   a) 333b) 343c) 353d) 805
5. What is 802 − 356?
   a) 446b) 456c) 546d) 554
6. What is 631 − 478?
7. What is 347 + 100?
   a) 337b) 447c) 457d) 547
8. What is 520 − 30?
   a) 490b) 500c) 510d) 590
9. What is 650 + 70?
   a) 620b) 710c) 720d) 820
10. Subtracting 100 from 705 gives 605.
    a) Trueb) False
11. Round 304 and 497 to the nearest 100, then add them. What is the estimate?
12. Which sum is the best estimate for 612 − 288?
    a) 600 − 200b) 600 − 300c) 700 − 200d) 700 − 300
13. The answer to 499 + 302 must be less than 700.
    a) Trueb) False
14. A shop has 245 red pens and 178 blue pens. How many pens in all?
    a) 323b) 413c) 423d) 433
15. A book has 400 pages. Mia has read 167. How many pages are left?
16. A bus holds 120 people. 85 are on it. How many more can get on?
    a) 205b) 25c) 35d) 45