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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 371 · 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. 1.103 × 10 =
  2. 2.63 × ? = 6300
  3. 3.37 × 1000 =
  4. 4.42 × ? = 4200
  5. 5.73 × 100 =
  6. 6.30 × ? = 3000
  7. 7.240 × 10 =
  8. 8.867 × 10 =
  9. 9.42 × 1000 =
  10. 10.668 × ? = 6680
  11. 11.581 × ? = 5810
  12. 12.19 × 100 =
  13. 13.25 × 1000 =
  14. 14.3 × ? = 3000
  15. 15.327 × 10 =
  16. 16.14 × ? = 14000
  17. 17.7 × ? = 700
  18. 18.512 × ? = 5120
  19. 19.470 × ? = 4700
  20. 20.10 × 100 =
  21. 21.27 × 10 =
  22. 22.31 × ? = 3100
  23. 23.32 × ? = 3200
  24. 24.148 × 10 =
  25. 25.28 × 1000 =
  26. 26.8 × 10 =
  27. 27.343 × 10 =
  28. 28.17 × 1000 =
  29. 29.2 × 1000 =
  30. 30.491 × 10 =
  31. 31.586 × ? = 5860
  32. 32.75 × ? = 7500
  33. 33.80 × 100 =
  34. 34.52 × 100 =
  35. 35.367 × 10 =
  36. 36.930 × 10 =
  37. 37.15 × 1000 =
  38. 38.36 × 100 =
  39. 39.10 × 1000 =
  40. 40.2 × 100 =

Answer key

  1. 1030
  2. 100
  3. 37000
  4. 100
  5. 7300
  6. 100
  7. 2400
  8. 8670
  9. 42000
  10. 10
  11. 10
  12. 1900
  13. 25000
  14. 1000
  15. 3270
  16. 1000
  17. 100
  18. 10
  19. 10
  20. 1000
  21. 270
  22. 100
  23. 100
  24. 1480
  25. 28000
  26. 80
  27. 3430
  28. 17000
  29. 2000
  30. 4910
  31. 10
  32. 100
  33. 8000
  34. 5200
  35. 3670
  36. 9300
  37. 15000
  38. 3600
  39. 10000
  40. 200

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