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Practise online insteadThe answer key prints on page 2.

Mentally add 100 or subtract 100

Year 2 maths · Fieldbook Learning

Name ______________________ Date __________

Only the hundreds digit changes by one.

  1. Gus says: What is 100 less than 421?
  2. Ben asks: What is 100 less than 420?
  3. Ana asks: What is 100 less than 338?
  4. Ben thinks: What is 100 more than 303?
  5. Gus wonders: What is 100 less than 795?
  6. Pia asks: What is 100 more than 533?
  7. Hana asks: What is 100 less than 624?
  8. Dara says: What is 100 more than 444?
  9. Eli thinks: What is 100 more than 597?
  10. Ana asks: What is 100 more than 124?
  11. Mo says: What is 100 less than 559?
  12. Lia asks: What is 100 less than 462?
  13. Jon thinks: What is 100 less than 944?
  14. Ben asks: What is 100 less than 617?
  15. Chen says: What is 100 less than 698?
  16. Eli asks: What is 100 less than 812?
  17. Gus asks: What is 100 more than 255?
  18. Pia wonders: What is 100 more than 388?
  19. Eli says: What is 100 more than 175?
  20. Lia asks: What is 100 more than 675?
More free practice: fieldbooklearning.com/au/practice/year-2/mentally-add-100-or-subtract-100/

Play it as a quiz game

20 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

  1. Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
  2. Click the matching button below, then click the first empty question row of the template and paste.
  3. Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.
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Answer key: Mentally add 100 or subtract 100

  1. 321
  2. 320
  3. 238
  4. 403
  5. 695
  6. 633
  7. 524
  8. 544
  9. 697
  10. 224
  11. 459
  12. 362
  13. 844
  14. 517
  15. 598
  16. 712
  17. 355
  18. 488
  19. 275
  20. 775