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Practise online insteadThe answer key prints on page 2.

Write numbers in standard form to 999

Year 4 maths · Fieldbook Learning

Name ______________________ Date __________

Example: 400 + 90 + 1 = 491

  1. Write 200 + 20 + 4 as a number.
  2. Write 200 + 30 + 4 as a number.
  3. Write 200 + 30 + 3 as a number.
  4. Write 100 + 80 + 2 as a number.
  5. Write 400 + 10 + 1 as a number.
  6. Write 400 + 80 + 5 as a number.
  7. Write 100 + 90 as a number.
  8. Write 200 + 40 + 4 as a number.
  9. Write 300 + 90 + 3 as a number.
  10. Write 600 + 70 + 8 as a number.
  11. Write 600 + 30 + 7 as a number.
  12. Write 200 + 20 + 3 as a number.
  13. Write 300 + 20 + 2 as a number.
  14. Write 200 + 60 as a number.
  15. Write 900 + 90 + 4 as a number.
  16. Write 800 + 40 + 2 as a number.
  17. Write 800 + 50 + 1 as a number.
  18. Write 800 + 50 as a number.
  19. Write 900 + 70 + 7 as a number.
  20. Write 700 + 10 + 8 as a number.
More free practice: fieldbooklearning.com/uk/practice/year-4/write-numbers-in-standard-form-to-999/

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: Write numbers in standard form to 999

  1. 224
  2. 234
  3. 233
  4. 182
  5. 411
  6. 485
  7. 190
  8. 244
  9. 393
  10. 678
  11. 637
  12. 223
  13. 322
  14. 260
  15. 994
  16. 842
  17. 851
  18. 850
  19. 977
  20. 718