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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 24 · 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. 1.947 × 10 =
  2. 2.59 × ? = 5900
  3. 3.37 × ? = 37000
  4. 4.44 × 100 =
  5. 5.16 × 1000 =
  6. 6.49 × 10 =
  7. 7.5 × 100 =
  8. 8.38 × 100 =
  9. 9.19 × 100 =
  10. 10.76 × 100 =
  11. 11.44 × 1000 =
  12. 12.14 × ? = 14000
  13. 13.70 × ? = 7000
  14. 14.22 × ? = 22000
  15. 15.762 × ? = 7620
  16. 16.4 × 1000 =
  17. 17.28 × 1000 =
  18. 18.31 × 1000 =
  19. 19.28 × 100 =
  20. 20.377 × 10 =
  21. 21.69 × 100 =
  22. 22.470 × 10 =
  23. 23.989 × 10 =
  24. 24.737 × 10 =
  25. 25.52 × ? = 5200
  26. 26.13 × 1000 =
  27. 27.765 × 10 =
  28. 28.404 × 10 =
  29. 29.825 × 10 =
  30. 30.9 × ? = 900
  31. 31.33 × 1000 =
  32. 32.251 × 10 =
  33. 33.465 × 10 =
  34. 34.776 × ? = 7760
  35. 35.6 × 1000 =
  36. 36.11 × 100 =
  37. 37.822 × ? = 8220
  38. 38.66 × 100 =
  39. 39.329 × ? = 3290
  40. 40.108 × ? = 1080

Answer key

  1. 9470
  2. 100
  3. 1000
  4. 4400
  5. 16000
  6. 490
  7. 500
  8. 3800
  9. 1900
  10. 7600
  11. 44000
  12. 1000
  13. 100
  14. 1000
  15. 10
  16. 4000
  17. 28000
  18. 31000
  19. 2800
  20. 3770
  21. 6900
  22. 4700
  23. 9890
  24. 7370
  25. 100
  26. 13000
  27. 7650
  28. 4040
  29. 8250
  30. 100
  31. 33000
  32. 2510
  33. 4650
  34. 10
  35. 6000
  36. 1100
  37. 10
  38. 6600
  39. 10
  40. 10

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