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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 616 · 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. 1.7 × ? = 7000
  2. 2.823 × 10 =
  3. 3.205 × 10 =
  4. 4.29 × ? = 29000
  5. 5.20 × 1000 =
  6. 6.782 × 10 =
  7. 7.21 × ? = 21000
  8. 8.988 × 10 =
  9. 9.118 × ? = 1180
  10. 10.29 × 1000 =
  11. 11.44 × 100 =
  12. 12.778 × 10 =
  13. 13.92 × 100 =
  14. 14.539 × ? = 5390
  15. 15.14 × 1000 =
  16. 16.915 × 10 =
  17. 17.18 × 100 =
  18. 18.130 × ? = 1300
  19. 19.45 × ? = 45000
  20. 20.66 × 100 =
  21. 21.3 × 1000 =
  22. 22.81 × ? = 8100
  23. 23.491 × ? = 4910
  24. 24.23 × 1000 =
  25. 25.28 × ? = 28000
  26. 26.98 × ? = 9800
  27. 27.92 × 10 =
  28. 28.21 × 100 =
  29. 29.42 × 1000 =
  30. 30.114 × ? = 1140
  31. 31.6 × 1000 =
  32. 32.99 × 100 =
  33. 33.57 × ? = 5700
  34. 34.946 × 10 =
  35. 35.18 × ? = 18000
  36. 36.115 × 10 =
  37. 37.6 × ? = 6000
  38. 38.63 × 100 =
  39. 39.82 × 100 =
  40. 40.17 × 1000 =

Answer key

  1. 1000
  2. 8230
  3. 2050
  4. 1000
  5. 20000
  6. 7820
  7. 1000
  8. 9880
  9. 10
  10. 29000
  11. 4400
  12. 7780
  13. 9200
  14. 10
  15. 14000
  16. 9150
  17. 1800
  18. 10
  19. 1000
  20. 6600
  21. 3000
  22. 100
  23. 10
  24. 23000
  25. 1000
  26. 100
  27. 920
  28. 2100
  29. 42000
  30. 10
  31. 6000
  32. 9900
  33. 100
  34. 9460
  35. 1000
  36. 1150
  37. 1000
  38. 6300
  39. 8200
  40. 17000

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