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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 644 · 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. 1.590 × 10 =
  2. 2.596 × 10 =
  3. 3.31 × ? = 31000
  4. 4.904 × 10 =
  5. 5.85 × ? = 8500
  6. 6.249 × ? = 2490
  7. 7.547 × 10 =
  8. 8.4 × 1000 =
  9. 9.21 × 100 =
  10. 10.61 × ? = 6100
  11. 11.46 × ? = 4600
  12. 12.763 × 10 =
  13. 13.37 × 1000 =
  14. 14.7 × 1000 =
  15. 15.71 × ? = 710
  16. 16.2 × 1000 =
  17. 17.42 × 100 =
  18. 18.977 × 10 =
  19. 19.89 × 100 =
  20. 20.38 × 1000 =
  21. 21.28 × 100 =
  22. 22.23 × ? = 23000
  23. 23.515 × 10 =
  24. 24.198 × ? = 1980
  25. 25.44 × ? = 44000
  26. 26.458 × 10 =
  27. 27.974 × 10 =
  28. 28.92 × 10 =
  29. 29.885 × ? = 8850
  30. 30.503 × 10 =
  31. 31.968 × 10 =
  32. 32.39 × ? = 3900
  33. 33.30 × 1000 =
  34. 34.112 × ? = 1120
  35. 35.6 × 1000 =
  36. 36.876 × 10 =
  37. 37.213 × ? = 2130
  38. 38.21 × 1000 =
  39. 39.911 × 10 =
  40. 40.325 × 10 =

Answer key

  1. 5900
  2. 5960
  3. 1000
  4. 9040
  5. 100
  6. 10
  7. 5470
  8. 4000
  9. 2100
  10. 100
  11. 100
  12. 7630
  13. 37000
  14. 7000
  15. 10
  16. 2000
  17. 4200
  18. 9770
  19. 8900
  20. 38000
  21. 2800
  22. 1000
  23. 5150
  24. 10
  25. 1000
  26. 4580
  27. 9740
  28. 920
  29. 10
  30. 5030
  31. 9680
  32. 100
  33. 30000
  34. 10
  35. 6000
  36. 8760
  37. 10
  38. 21000
  39. 9110
  40. 3250

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