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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 546 · 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. 2.164 × 10 =
  3. 3.14 × 100 =
  4. 4.135 × 10 =
  5. 5.51 × 100 =
  6. 6.23 × 100 =
  7. 7.44 × ? = 4400
  8. 8.14 × ? = 14000
  9. 9.66 × ? = 6600
  10. 10.346 × ? = 3460
  11. 11.42 × ? = 42000
  12. 12.188 × 10 =
  13. 13.156 × ? = 1560
  14. 14.68 × ? = 680
  15. 15.50 × ? = 50000
  16. 16.9 × 100 =
  17. 17.925 × 10 =
  18. 18.91 × 100 =
  19. 19.5 × ? = 5000
  20. 20.21 × 1000 =
  21. 21.49 × ? = 49000
  22. 22.80 × 100 =
  23. 23.17 × 10 =
  24. 24.26 × ? = 2600
  25. 25.10 × 100 =
  26. 26.17 × ? = 1700
  27. 27.5 × ? = 500
  28. 28.846 × ? = 8460
  29. 29.486 × ? = 4860
  30. 30.56 × 100 =
  31. 31.795 × 10 =
  32. 32.32 × 100 =
  33. 33.5 × 1000 =
  34. 34.60 × 10 =
  35. 35.59 × ? = 5900
  36. 36.398 × ? = 3980
  37. 37.15 × 1000 =
  38. 38.456 × 10 =
  39. 39.50 × 10 =
  40. 40.3 × ? = 3000

Answer key

  1. 23000
  2. 1640
  3. 1400
  4. 1350
  5. 5100
  6. 2300
  7. 100
  8. 1000
  9. 100
  10. 10
  11. 1000
  12. 1880
  13. 10
  14. 10
  15. 1000
  16. 900
  17. 9250
  18. 9100
  19. 1000
  20. 21000
  21. 1000
  22. 8000
  23. 170
  24. 100
  25. 1000
  26. 100
  27. 100
  28. 10
  29. 10
  30. 5600
  31. 7950
  32. 3200
  33. 5000
  34. 600
  35. 100
  36. 10
  37. 15000
  38. 4560
  39. 500
  40. 1000

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