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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 612 · 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. 1.31 × 100 =
  2. 2.75 × ? = 7500
  3. 3.34 × ? = 34000
  4. 4.18 × ? = 18000
  5. 5.256 × 10 =
  6. 6.13 × ? = 130
  7. 7.47 × ? = 47000
  8. 8.993 × 10 =
  9. 9.14 × ? = 14000
  10. 10.43 × ? = 43000
  11. 11.870 × ? = 8700
  12. 12.61 × 100 =
  13. 13.746 × 10 =
  14. 14.95 × ? = 9500
  15. 15.877 × 10 =
  16. 16.28 × 1000 =
  17. 17.476 × 10 =
  18. 18.835 × 10 =
  19. 19.18 × ? = 1800
  20. 20.3 × 100 =
  21. 21.25 × ? = 25000
  22. 22.8 × ? = 8000
  23. 23.45 × 100 =
  24. 24.39 × ? = 39000
  25. 25.48 × 1000 =
  26. 26.81 × 10 =
  27. 27.436 × ? = 4360
  28. 28.492 × ? = 4920
  29. 29.73 × ? = 7300
  30. 30.10 × 1000 =
  31. 31.42 × 1000 =
  32. 32.92 × ? = 9200
  33. 33.491 × 10 =
  34. 34.94 × 100 =
  35. 35.37 × 1000 =
  36. 36.820 × 10 =
  37. 37.98 × ? = 9800
  38. 38.147 × 10 =
  39. 39.141 × 10 =
  40. 40.5 × 1000 =

Answer key

  1. 3100
  2. 100
  3. 1000
  4. 1000
  5. 2560
  6. 10
  7. 1000
  8. 9930
  9. 1000
  10. 1000
  11. 10
  12. 6100
  13. 7460
  14. 100
  15. 8770
  16. 28000
  17. 4760
  18. 8350
  19. 100
  20. 300
  21. 1000
  22. 1000
  23. 4500
  24. 1000
  25. 48000
  26. 810
  27. 10
  28. 10
  29. 100
  30. 10000
  31. 42000
  32. 100
  33. 4910
  34. 9400
  35. 37000
  36. 8200
  37. 100
  38. 1470
  39. 1410
  40. 5000

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