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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 657 · 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. 1.29 × 1000 =
  2. 2.8 × ? = 8000
  3. 3.36 × ? = 36000
  4. 4.50 × ? = 50000
  5. 5.920 × ? = 9200
  6. 6.179 × 10 =
  7. 7.717 × ? = 7170
  8. 8.41 × ? = 41000
  9. 9.226 × ? = 2260
  10. 10.37 × ? = 3700
  11. 11.217 × 10 =
  12. 12.36 × 100 =
  13. 13.40 × 1000 =
  14. 14.77 × 100 =
  15. 15.82 × ? = 8200
  16. 16.10 × 100 =
  17. 17.47 × ? = 4700
  18. 18.6 × 100 =
  19. 19.62 × 100 =
  20. 20.142 × ? = 1420
  21. 21.74 × 100 =
  22. 22.5 × 1000 =
  23. 23.191 × ? = 1910
  24. 24.36 × 1000 =
  25. 25.20 × 1000 =
  26. 26.37 × 10 =
  27. 27.45 × ? = 450
  28. 28.400 × ? = 4000
  29. 29.31 × 1000 =
  30. 30.49 × ? = 49000
  31. 31.37 × 100 =
  32. 32.50 × 100 =
  33. 33.648 × 10 =
  34. 34.74 × ? = 7400
  35. 35.885 × 10 =
  36. 36.30 × 10 =
  37. 37.416 × 10 =
  38. 38.127 × ? = 1270
  39. 39.124 × 10 =
  40. 40.9 × 1000 =

Answer key

  1. 29000
  2. 1000
  3. 1000
  4. 1000
  5. 10
  6. 1790
  7. 10
  8. 1000
  9. 10
  10. 100
  11. 2170
  12. 3600
  13. 40000
  14. 7700
  15. 100
  16. 1000
  17. 100
  18. 600
  19. 6200
  20. 10
  21. 7400
  22. 5000
  23. 10
  24. 36000
  25. 20000
  26. 370
  27. 10
  28. 10
  29. 31000
  30. 1000
  31. 3700
  32. 5000
  33. 6480
  34. 100
  35. 8850
  36. 300
  37. 4160
  38. 10
  39. 1240
  40. 9000

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