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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 557 · 40 questions
TalentJR

The trick (Place-value slide): × 10: write one 0 after the number. × 100: write two 0s. × 1000: write three 0s. Missing number: count how many zeros were added — one 0 is × 10, two 0s is × 100.

NameDateTime takenScore ___ / 40
  1. 1.725 × 10 =
  2. 2.728 × ? = 7280
  3. 3.380 × 10 =
  4. 4.21 × 1000 =
  5. 5.4 × 100 =
  6. 6.8 × 1000 =
  7. 7.770 × 10 =
  8. 8.46 × ? = 46000
  9. 9.921 × 10 =
  10. 10.38 × 100 =
  11. 11.295 × 10 =
  12. 12.140 × ? = 1400
  13. 13.314 × ? = 3140
  14. 14.42 × ? = 42000
  15. 15.35 × ? = 35000
  16. 16.9 × ? = 900
  17. 17.9 × 100 =
  18. 18.319 × ? = 3190
  19. 19.9 × ? = 9000
  20. 20.638 × 10 =
  21. 21.38 × ? = 38000
  22. 22.866 × 10 =
  23. 23.2 × 1000 =
  24. 24.15 × ? = 15000
  25. 25.33 × 100 =
  26. 26.50 × 100 =
  27. 27.84 × ? = 8400
  28. 28.325 × 10 =
  29. 29.75 × ? = 7500
  30. 30.54 × 100 =
  31. 31.5 × 100 =
  32. 32.14 × 10 =
  33. 33.91 × 100 =
  34. 34.239 × 10 =
  35. 35.4 × 1000 =
  36. 36.20 × ? = 20000
  37. 37.21 × 10 =
  38. 38.6 × ? = 60
  39. 39.35 × 100 =
  40. 40.6 × ? = 6000

Answer key

  1. 7250
  2. 10
  3. 3800
  4. 21000
  5. 400
  6. 8000
  7. 7700
  8. 1000
  9. 9210
  10. 3800
  11. 2950
  12. 10
  13. 10
  14. 1000
  15. 1000
  16. 100
  17. 900
  18. 10
  19. 1000
  20. 6380
  21. 1000
  22. 8660
  23. 2000
  24. 1000
  25. 3300
  26. 5000
  27. 100
  28. 3250
  29. 100
  30. 5400
  31. 500
  32. 140
  33. 9100
  34. 2390
  35. 4000
  36. 1000
  37. 210
  38. 10
  39. 3500
  40. 1000

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