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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 55 · 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. 1.745 × 10 =
  2. 2.746 × 10 =
  3. 3.8 × 1000 =
  4. 4.14 × ? = 1400
  5. 5.44 × 1000 =
  6. 6.43 × 1000 =
  7. 7.31 × ? = 3100
  8. 8.8 × 100 =
  9. 9.39 × ? = 39000
  10. 10.15 × 1000 =
  11. 11.83 × 10 =
  12. 12.210 × 10 =
  13. 13.496 × 10 =
  14. 14.505 × ? = 5050
  15. 15.293 × 10 =
  16. 16.85 × ? = 8500
  17. 17.49 × 1000 =
  18. 18.460 × 10 =
  19. 19.146 × 10 =
  20. 20.143 × ? = 1430
  21. 21.649 × 10 =
  22. 22.19 × 1000 =
  23. 23.41 × 1000 =
  24. 24.235 × 10 =
  25. 25.754 × 10 =
  26. 26.31 × ? = 31000
  27. 27.675 × ? = 6750
  28. 28.2 × ? = 2000
  29. 29.5 × ? = 5000
  30. 30.721 × 10 =
  31. 31.649 × ? = 6490
  32. 32.63 × 10 =
  33. 33.220 × 10 =
  34. 34.297 × 10 =
  35. 35.198 × 10 =
  36. 36.3 × ? = 3000
  37. 37.96 × 100 =
  38. 38.76 × ? = 7600
  39. 39.545 × 10 =
  40. 40.230 × 10 =

Answer key

  1. 7450
  2. 7460
  3. 8000
  4. 100
  5. 44000
  6. 43000
  7. 100
  8. 800
  9. 1000
  10. 15000
  11. 830
  12. 2100
  13. 4960
  14. 10
  15. 2930
  16. 100
  17. 49000
  18. 4600
  19. 1460
  20. 10
  21. 6490
  22. 19000
  23. 41000
  24. 2350
  25. 7540
  26. 1000
  27. 10
  28. 1000
  29. 1000
  30. 7210
  31. 10
  32. 630
  33. 2200
  34. 2970
  35. 1980
  36. 1000
  37. 9600
  38. 100
  39. 5450
  40. 2300

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