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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 396 · 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. 1.42 × 1000 =
  2. 2.63 × 100 =
  3. 3.52 × 100 =
  4. 4.586 × 10 =
  5. 5.334 × 10 =
  6. 6.50 × ? = 5000
  7. 7.732 × 10 =
  8. 8.42 × 10 =
  9. 9.928 × 10 =
  10. 10.831 × ? = 8310
  11. 11.4 × 1000 =
  12. 12.41 × 1000 =
  13. 13.453 × 10 =
  14. 14.24 × 100 =
  15. 15.620 × ? = 6200
  16. 16.11 × 100 =
  17. 17.15 × ? = 15000
  18. 18.42 × ? = 42000
  19. 19.11 × ? = 11000
  20. 20.141 × 10 =
  21. 21.85 × 100 =
  22. 22.25 × 100 =
  23. 23.44 × ? = 4400
  24. 24.13 × 1000 =
  25. 25.18 × 100 =
  26. 26.27 × 1000 =
  27. 27.36 × 1000 =
  28. 28.16 × 1000 =
  29. 29.289 × 10 =
  30. 30.404 × 10 =
  31. 31.340 × 10 =
  32. 32.33 × ? = 3300
  33. 33.857 × 10 =
  34. 34.802 × ? = 8020
  35. 35.156 × 10 =
  36. 36.29 × ? = 29000
  37. 37.10 × 1000 =
  38. 38.31 × 1000 =
  39. 39.318 × ? = 3180
  40. 40.9 × ? = 9000

Answer key

  1. 42000
  2. 6300
  3. 5200
  4. 5860
  5. 3340
  6. 100
  7. 7320
  8. 420
  9. 9280
  10. 10
  11. 4000
  12. 41000
  13. 4530
  14. 2400
  15. 10
  16. 1100
  17. 1000
  18. 1000
  19. 1000
  20. 1410
  21. 8500
  22. 2500
  23. 100
  24. 13000
  25. 1800
  26. 27000
  27. 36000
  28. 16000
  29. 2890
  30. 4040
  31. 3400
  32. 100
  33. 8570
  34. 10
  35. 1560
  36. 1000
  37. 10000
  38. 31000
  39. 10
  40. 1000

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