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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 794 · 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. 1.51 × 10 =
  2. 2.423 × 10 =
  3. 3.20 × 1000 =
  4. 4.87 × 100 =
  5. 5.57 × 100 =
  6. 6.42 × 1000 =
  7. 7.9 × 1000 =
  8. 8.29 × 1000 =
  9. 9.45 × 100 =
  10. 10.30 × 100 =
  11. 11.181 × ? = 1810
  12. 12.13 × 1000 =
  13. 13.92 × ? = 920
  14. 14.481 × 10 =
  15. 15.139 × 10 =
  16. 16.245 × 10 =
  17. 17.335 × 10 =
  18. 18.268 × 10 =
  19. 19.339 × 10 =
  20. 20.19 × 100 =
  21. 21.13 × ? = 13000
  22. 22.661 × 10 =
  23. 23.98 × 100 =
  24. 24.6 × ? = 6000
  25. 25.869 × 10 =
  26. 26.424 × 10 =
  27. 27.19 × ? = 19000
  28. 28.711 × 10 =
  29. 29.218 × 10 =
  30. 30.290 × ? = 2900
  31. 31.18 × 1000 =
  32. 32.76 × 100 =
  33. 33.192 × 10 =
  34. 34.39 × 1000 =
  35. 35.915 × ? = 9150
  36. 36.883 × 10 =
  37. 37.977 × 10 =
  38. 38.25 × 100 =
  39. 39.639 × ? = 6390
  40. 40.78 × 100 =

Answer key

  1. 510
  2. 4230
  3. 20000
  4. 8700
  5. 5700
  6. 42000
  7. 9000
  8. 29000
  9. 4500
  10. 3000
  11. 10
  12. 13000
  13. 10
  14. 4810
  15. 1390
  16. 2450
  17. 3350
  18. 2680
  19. 3390
  20. 1900
  21. 1000
  22. 6610
  23. 9800
  24. 1000
  25. 8690
  26. 4240
  27. 1000
  28. 7110
  29. 2180
  30. 10
  31. 18000
  32. 7600
  33. 1920
  34. 39000
  35. 10
  36. 8830
  37. 9770
  38. 2500
  39. 10
  40. 7800

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