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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 777 · 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. 1.2 × 100 =
  2. 2.21 × ? = 21000
  3. 3.444 × 10 =
  4. 4.9 × ? = 9000
  5. 5.24 × 1000 =
  6. 6.31 × 1000 =
  7. 7.27 × ? = 27000
  8. 8.725 × 10 =
  9. 9.40 × 1000 =
  10. 10.645 × 10 =
  11. 11.32 × ? = 3200
  12. 12.7 × 100 =
  13. 13.12 × ? = 1200
  14. 14.6 × 1000 =
  15. 15.712 × 10 =
  16. 16.16 × 1000 =
  17. 17.4 × 1000 =
  18. 18.453 × 10 =
  19. 19.49 × 1000 =
  20. 20.67 × ? = 6700
  21. 21.39 × 100 =
  22. 22.84 × 100 =
  23. 23.812 × 10 =
  24. 24.46 × ? = 46000
  25. 25.14 × 1000 =
  26. 26.59 × 100 =
  27. 27.849 × 10 =
  28. 28.38 × 1000 =
  29. 29.870 × 10 =
  30. 30.187 × 10 =
  31. 31.71 × ? = 7100
  32. 32.18 × 100 =
  33. 33.430 × ? = 4300
  34. 34.145 × 10 =
  35. 35.17 × ? = 1700
  36. 36.92 × ? = 920
  37. 37.290 × 10 =
  38. 38.44 × ? = 44000
  39. 39.173 × ? = 1730
  40. 40.46 × 1000 =

Answer key

  1. 200
  2. 1000
  3. 4440
  4. 1000
  5. 24000
  6. 31000
  7. 1000
  8. 7250
  9. 40000
  10. 6450
  11. 100
  12. 700
  13. 100
  14. 6000
  15. 7120
  16. 16000
  17. 4000
  18. 4530
  19. 49000
  20. 100
  21. 3900
  22. 8400
  23. 8120
  24. 1000
  25. 14000
  26. 5900
  27. 8490
  28. 38000
  29. 8700
  30. 1870
  31. 100
  32. 1800
  33. 10
  34. 1450
  35. 100
  36. 10
  37. 2900
  38. 1000
  39. 10
  40. 46000

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