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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 672 · 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. 1.578 × 10 =
  2. 2.9 × ? = 900
  3. 3.16 × 1000 =
  4. 4.2 × 1000 =
  5. 5.63 × 100 =
  6. 6.433 × 10 =
  7. 7.66 × 100 =
  8. 8.145 × ? = 1450
  9. 9.628 × 10 =
  10. 10.89 × 100 =
  11. 11.261 × 10 =
  12. 12.14 × 100 =
  13. 13.18 × ? = 18000
  14. 14.46 × 100 =
  15. 15.14 × ? = 14000
  16. 16.69 × 100 =
  17. 17.961 × 10 =
  18. 18.781 × ? = 7810
  19. 19.36 × 100 =
  20. 20.555 × 10 =
  21. 21.889 × 10 =
  22. 22.12 × 1000 =
  23. 23.862 × ? = 8620
  24. 24.29 × ? = 29000
  25. 25.94 × 100 =
  26. 26.11 × 1000 =
  27. 27.8 × ? = 8000
  28. 28.379 × ? = 3790
  29. 29.45 × 1000 =
  30. 30.87 × ? = 8700
  31. 31.98 × 100 =
  32. 32.41 × 1000 =
  33. 33.19 × ? = 1900
  34. 34.403 × ? = 4030
  35. 35.20 × 1000 =
  36. 36.850 × ? = 8500
  37. 37.50 × ? = 50000
  38. 38.713 × 10 =
  39. 39.39 × 1000 =
  40. 40.985 × 10 =

Answer key

  1. 5780
  2. 100
  3. 16000
  4. 2000
  5. 6300
  6. 4330
  7. 6600
  8. 10
  9. 6280
  10. 8900
  11. 2610
  12. 1400
  13. 1000
  14. 4600
  15. 1000
  16. 6900
  17. 9610
  18. 10
  19. 3600
  20. 5550
  21. 8890
  22. 12000
  23. 10
  24. 1000
  25. 9400
  26. 11000
  27. 1000
  28. 10
  29. 45000
  30. 100
  31. 9800
  32. 41000
  33. 100
  34. 10
  35. 20000
  36. 10
  37. 1000
  38. 7130
  39. 39000
  40. 9850

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