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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 410 · 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. 1.705 × 10 =
  2. 2.18 × ? = 1800
  3. 3.5 × ? = 500
  4. 4.99 × 100 =
  5. 5.54 × ? = 5400
  6. 6.20 × 1000 =
  7. 7.15 × ? = 15000
  8. 8.90 × 10 =
  9. 9.576 × 10 =
  10. 10.89 × 100 =
  11. 11.7 × ? = 7000
  12. 12.95 × 10 =
  13. 13.43 × 1000 =
  14. 14.351 × 10 =
  15. 15.47 × 100 =
  16. 16.46 × 1000 =
  17. 17.93 × 100 =
  18. 18.80 × 100 =
  19. 19.11 × ? = 1100
  20. 20.50 × ? = 50000
  21. 21.39 × ? = 3900
  22. 22.12 × 100 =
  23. 23.822 × 10 =
  24. 24.485 × ? = 4850
  25. 25.14 × ? = 14000
  26. 26.254 × ? = 2540
  27. 27.10 × 1000 =
  28. 28.36 × 1000 =
  29. 29.472 × 10 =
  30. 30.45 × 100 =
  31. 31.25 × 100 =
  32. 32.400 × ? = 4000
  33. 33.69 × 100 =
  34. 34.929 × ? = 9290
  35. 35.12 × ? = 12000
  36. 36.67 × 100 =
  37. 37.40 × ? = 40000
  38. 38.640 × 10 =
  39. 39.2 × 1000 =
  40. 40.50 × 100 =

Answer key

  1. 7050
  2. 100
  3. 100
  4. 9900
  5. 100
  6. 20000
  7. 1000
  8. 900
  9. 5760
  10. 8900
  11. 1000
  12. 950
  13. 43000
  14. 3510
  15. 4700
  16. 46000
  17. 9300
  18. 8000
  19. 100
  20. 1000
  21. 100
  22. 1200
  23. 8220
  24. 10
  25. 1000
  26. 10
  27. 10000
  28. 36000
  29. 4720
  30. 4500
  31. 2500
  32. 10
  33. 6900
  34. 10
  35. 1000
  36. 6700
  37. 1000
  38. 6400
  39. 2000
  40. 5000

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