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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 192 · 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. 1.385 × 10 =
  2. 2.74 × 100 =
  3. 3.28 × 1000 =
  4. 4.8 × 10 =
  5. 5.61 × ? = 6100
  6. 6.982 × ? = 9820
  7. 7.21 × 1000 =
  8. 8.45 × 1000 =
  9. 9.7 × 1000 =
  10. 10.374 × ? = 3740
  11. 11.29 × ? = 2900
  12. 12.808 × 10 =
  13. 13.5 × 1000 =
  14. 14.9 × ? = 900
  15. 15.133 × ? = 1330
  16. 16.15 × 100 =
  17. 17.215 × 10 =
  18. 18.39 × ? = 39000
  19. 19.4 × ? = 400
  20. 20.48 × ? = 48000
  21. 21.17 × 1000 =
  22. 22.896 × ? = 8960
  23. 23.412 × 10 =
  24. 24.556 × ? = 5560
  25. 25.14 × ? = 14000
  26. 26.450 × 10 =
  27. 27.82 × 100 =
  28. 28.40 × 100 =
  29. 29.38 × 1000 =
  30. 30.2 × 1000 =
  31. 31.75 × 100 =
  32. 32.76 × 100 =
  33. 33.98 × 100 =
  34. 34.793 × 10 =
  35. 35.63 × 100 =
  36. 36.17 × ? = 1700
  37. 37.931 × 10 =
  38. 38.730 × 10 =
  39. 39.620 × ? = 6200
  40. 40.305 × ? = 3050

Answer key

  1. 3850
  2. 7400
  3. 28000
  4. 80
  5. 100
  6. 10
  7. 21000
  8. 45000
  9. 7000
  10. 10
  11. 100
  12. 8080
  13. 5000
  14. 100
  15. 10
  16. 1500
  17. 2150
  18. 1000
  19. 100
  20. 1000
  21. 17000
  22. 10
  23. 4120
  24. 10
  25. 1000
  26. 4500
  27. 8200
  28. 4000
  29. 38000
  30. 2000
  31. 7500
  32. 7600
  33. 9800
  34. 7930
  35. 6300
  36. 100
  37. 9310
  38. 7300
  39. 10
  40. 10

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