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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 251 · 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. 1.550 × 10 =
  2. 2.387 × 10 =
  3. 3.8 × 1000 =
  4. 4.10 × 1000 =
  5. 5.16 × ? = 16000
  6. 6.44 × 1000 =
  7. 7.256 × ? = 2560
  8. 8.264 × 10 =
  9. 9.22 × 1000 =
  10. 10.2 × 1000 =
  11. 11.8 × 100 =
  12. 12.20 × 1000 =
  13. 13.2 × 100 =
  14. 14.39 × ? = 390
  15. 15.35 × 1000 =
  16. 16.156 × ? = 1560
  17. 17.24 × 100 =
  18. 18.7 × ? = 7000
  19. 19.7 × ? = 700
  20. 20.80 × 100 =
  21. 21.36 × 1000 =
  22. 22.50 × ? = 50000
  23. 23.587 × ? = 5870
  24. 24.55 × ? = 5500
  25. 25.135 × ? = 1350
  26. 26.593 × ? = 5930
  27. 27.458 × ? = 4580
  28. 28.33 × 1000 =
  29. 29.582 × ? = 5820
  30. 30.153 × 10 =
  31. 31.37 × 100 =
  32. 32.96 × ? = 9600
  33. 33.98 × ? = 9800
  34. 34.164 × 10 =
  35. 35.701 × ? = 7010
  36. 36.617 × 10 =
  37. 37.14 × 1000 =
  38. 38.35 × 100 =
  39. 39.32 × 100 =
  40. 40.742 × 10 =

Answer key

  1. 5500
  2. 3870
  3. 8000
  4. 10000
  5. 1000
  6. 44000
  7. 10
  8. 2640
  9. 22000
  10. 2000
  11. 800
  12. 20000
  13. 200
  14. 10
  15. 35000
  16. 10
  17. 2400
  18. 1000
  19. 100
  20. 8000
  21. 36000
  22. 1000
  23. 10
  24. 100
  25. 10
  26. 10
  27. 10
  28. 33000
  29. 10
  30. 1530
  31. 3700
  32. 100
  33. 100
  34. 1640
  35. 10
  36. 6170
  37. 14000
  38. 3500
  39. 3200
  40. 7420

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