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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 136 · 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. 1.10 × 1000 =
  2. 2.314 × ? = 3140
  3. 3.544 × ? = 5440
  4. 4.15 × 100 =
  5. 5.385 × 10 =
  6. 6.716 × 10 =
  7. 7.71 × ? = 7100
  8. 8.82 × 100 =
  9. 9.87 × ? = 870
  10. 10.23 × 1000 =
  11. 11.207 × 10 =
  12. 12.14 × 1000 =
  13. 13.19 × 100 =
  14. 14.50 × ? = 50000
  15. 15.48 × 1000 =
  16. 16.30 × 1000 =
  17. 17.84 × 100 =
  18. 18.6 × ? = 600
  19. 19.790 × 10 =
  20. 20.28 × 1000 =
  21. 21.55 × 100 =
  22. 22.594 × ? = 5940
  23. 23.89 × ? = 8900
  24. 24.84 × ? = 8400
  25. 25.372 × 10 =
  26. 26.304 × 10 =
  27. 27.537 × ? = 5370
  28. 28.789 × 10 =
  29. 29.491 × 10 =
  30. 30.41 × 100 =
  31. 31.356 × 10 =
  32. 32.5 × 100 =
  33. 33.31 × ? = 31000
  34. 34.39 × 100 =
  35. 35.16 × 1000 =
  36. 36.531 × 10 =
  37. 37.419 × 10 =
  38. 38.9 × ? = 90
  39. 39.37 × ? = 37000
  40. 40.19 × 1000 =

Answer key

  1. 10000
  2. 10
  3. 10
  4. 1500
  5. 3850
  6. 7160
  7. 100
  8. 8200
  9. 10
  10. 23000
  11. 2070
  12. 14000
  13. 1900
  14. 1000
  15. 48000
  16. 30000
  17. 8400
  18. 100
  19. 7900
  20. 28000
  21. 5500
  22. 10
  23. 100
  24. 100
  25. 3720
  26. 3040
  27. 10
  28. 7890
  29. 4910
  30. 4100
  31. 3560
  32. 500
  33. 1000
  34. 3900
  35. 16000
  36. 5310
  37. 4190
  38. 10
  39. 1000
  40. 19000

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