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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 687 · 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. 1.23 × 1000 =
  2. 2.16 × 100 =
  3. 3.4 × ? = 4000
  4. 4.86 × ? = 8600
  5. 5.41 × ? = 41000
  6. 6.14 × ? = 14000
  7. 7.84 × 100 =
  8. 8.3 × ? = 3000
  9. 9.108 × 10 =
  10. 10.80 × ? = 8000
  11. 11.159 × ? = 1590
  12. 12.2 × 1000 =
  13. 13.30 × ? = 3000
  14. 14.850 × 10 =
  15. 15.4 × 100 =
  16. 16.45 × 100 =
  17. 17.37 × ? = 37000
  18. 18.866 × 10 =
  19. 19.43 × ? = 43000
  20. 20.71 × ? = 7100
  21. 21.94 × 100 =
  22. 22.98 × 100 =
  23. 23.26 × ? = 26000
  24. 24.78 × 100 =
  25. 25.14 × 100 =
  26. 26.376 × 10 =
  27. 27.15 × 1000 =
  28. 28.22 × 1000 =
  29. 29.46 × 1000 =
  30. 30.4 × 1000 =
  31. 31.83 × ? = 8300
  32. 32.35 × ? = 3500
  33. 33.9 × 100 =
  34. 34.21 × 1000 =
  35. 35.939 × 10 =
  36. 36.31 × 1000 =
  37. 37.548 × 10 =
  38. 38.2 × ? = 200
  39. 39.77 × ? = 770
  40. 40.432 × 10 =

Answer key

  1. 23000
  2. 1600
  3. 1000
  4. 100
  5. 1000
  6. 1000
  7. 8400
  8. 1000
  9. 1080
  10. 100
  11. 10
  12. 2000
  13. 100
  14. 8500
  15. 400
  16. 4500
  17. 1000
  18. 8660
  19. 1000
  20. 100
  21. 9400
  22. 9800
  23. 1000
  24. 7800
  25. 1400
  26. 3760
  27. 15000
  28. 22000
  29. 46000
  30. 4000
  31. 100
  32. 100
  33. 900
  34. 21000
  35. 9390
  36. 31000
  37. 5480
  38. 100
  39. 10
  40. 4320

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