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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 770 · 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. 1.73 × ? = 7300
  2. 2.11 × 100 =
  3. 3.798 × 10 =
  4. 4.99 × ? = 9900
  5. 5.15 × 1000 =
  6. 6.543 × ? = 5430
  7. 7.10 × ? = 100
  8. 8.7 × ? = 70
  9. 9.30 × ? = 30000
  10. 10.5 × 100 =
  11. 11.49 × ? = 49000
  12. 12.50 × ? = 50000
  13. 13.261 × 10 =
  14. 14.11 × ? = 1100
  15. 15.95 × ? = 9500
  16. 16.9 × 1000 =
  17. 17.965 × ? = 9650
  18. 18.82 × ? = 8200
  19. 19.68 × 100 =
  20. 20.50 × 10 =
  21. 21.66 × 100 =
  22. 22.53 × ? = 5300
  23. 23.5 × ? = 5000
  24. 24.24 × 100 =
  25. 25.93 × 10 =
  26. 26.57 × ? = 5700
  27. 27.26 × ? = 26000
  28. 28.570 × 10 =
  29. 29.783 × ? = 7830
  30. 30.664 × 10 =
  31. 31.73 × 100 =
  32. 32.24 × 10 =
  33. 33.935 × 10 =
  34. 34.43 × 1000 =
  35. 35.535 × 10 =
  36. 36.14 × 1000 =
  37. 37.235 × ? = 2350
  38. 38.943 × 10 =
  39. 39.762 × ? = 7620
  40. 40.455 × 10 =

Answer key

  1. 100
  2. 1100
  3. 7980
  4. 100
  5. 15000
  6. 10
  7. 10
  8. 10
  9. 1000
  10. 500
  11. 1000
  12. 1000
  13. 2610
  14. 100
  15. 100
  16. 9000
  17. 10
  18. 100
  19. 6800
  20. 500
  21. 6600
  22. 100
  23. 1000
  24. 2400
  25. 930
  26. 100
  27. 1000
  28. 5700
  29. 10
  30. 6640
  31. 7300
  32. 240
  33. 9350
  34. 43000
  35. 5350
  36. 14000
  37. 10
  38. 9430
  39. 10
  40. 4550

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