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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 480 · 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. 1.485 × 10 =
  2. 2.342 × 10 =
  3. 3.50 × 100 =
  4. 4.273 × ? = 2730
  5. 5.4 × 100 =
  6. 6.48 × 1000 =
  7. 7.45 × 1000 =
  8. 8.913 × 10 =
  9. 9.37 × 100 =
  10. 10.486 × 10 =
  11. 11.694 × 10 =
  12. 12.23 × 1000 =
  13. 13.77 × ? = 7700
  14. 14.21 × ? = 21000
  15. 15.42 × 100 =
  16. 16.13 × 100 =
  17. 17.661 × ? = 6610
  18. 18.25 × ? = 25000
  19. 19.16 × 1000 =
  20. 20.56 × 100 =
  21. 21.29 × 100 =
  22. 22.844 × 10 =
  23. 23.22 × 100 =
  24. 24.67 × 10 =
  25. 25.15 × ? = 15000
  26. 26.75 × ? = 7500
  27. 27.51 × ? = 5100
  28. 28.47 × ? = 4700
  29. 29.758 × 10 =
  30. 30.102 × ? = 1020
  31. 31.99 × 100 =
  32. 32.27 × 1000 =
  33. 33.17 × 1000 =
  34. 34.55 × ? = 5500
  35. 35.298 × ? = 2980
  36. 36.66 × 100 =
  37. 37.261 × 10 =
  38. 38.3 × 1000 =
  39. 39.85 × 100 =
  40. 40.89 × 10 =

Answer key

  1. 4850
  2. 3420
  3. 5000
  4. 10
  5. 400
  6. 48000
  7. 45000
  8. 9130
  9. 3700
  10. 4860
  11. 6940
  12. 23000
  13. 100
  14. 1000
  15. 4200
  16. 1300
  17. 10
  18. 1000
  19. 16000
  20. 5600
  21. 2900
  22. 8440
  23. 2200
  24. 670
  25. 1000
  26. 100
  27. 100
  28. 100
  29. 7580
  30. 10
  31. 9900
  32. 27000
  33. 17000
  34. 100
  35. 10
  36. 6600
  37. 2610
  38. 3000
  39. 8500
  40. 890

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