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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 801 · 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. 1.731 × 10 =
  2. 2.45 × 1000 =
  3. 3.23 × 100 =
  4. 4.36 × 1000 =
  5. 5.39 × 1000 =
  6. 6.70 × 10 =
  7. 7.115 × ? = 1150
  8. 8.412 × ? = 4120
  9. 9.72 × ? = 7200
  10. 10.524 × ? = 5240
  11. 11.91 × 100 =
  12. 12.370 × ? = 3700
  13. 13.30 × 100 =
  14. 14.37 × 1000 =
  15. 15.62 × ? = 6200
  16. 16.40 × 1000 =
  17. 17.12 × 1000 =
  18. 18.156 × 10 =
  19. 19.39 × 100 =
  20. 20.855 × 10 =
  21. 21.19 × ? = 19000
  22. 22.532 × ? = 5320
  23. 23.45 × ? = 45000
  24. 24.46 × 1000 =
  25. 25.671 × 10 =
  26. 26.26 × 1000 =
  27. 27.712 × 10 =
  28. 28.34 × 1000 =
  29. 29.300 × 10 =
  30. 30.13 × 1000 =
  31. 31.31 × 1000 =
  32. 32.9 × 1000 =
  33. 33.89 × 100 =
  34. 34.3 × 100 =
  35. 35.24 × ? = 24000
  36. 36.6 × 1000 =
  37. 37.801 × ? = 8010
  38. 38.20 × ? = 20000
  39. 39.30 × ? = 3000
  40. 40.832 × 10 =

Answer key

  1. 7310
  2. 45000
  3. 2300
  4. 36000
  5. 39000
  6. 700
  7. 10
  8. 10
  9. 100
  10. 10
  11. 9100
  12. 10
  13. 3000
  14. 37000
  15. 100
  16. 40000
  17. 12000
  18. 1560
  19. 3900
  20. 8550
  21. 1000
  22. 10
  23. 1000
  24. 46000
  25. 6710
  26. 26000
  27. 7120
  28. 34000
  29. 3000
  30. 13000
  31. 31000
  32. 9000
  33. 8900
  34. 300
  35. 1000
  36. 6000
  37. 10
  38. 1000
  39. 100
  40. 8320

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