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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 449 · 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. 1.45 × ? = 45000
  2. 2.50 × 100 =
  3. 3.49 × ? = 49000
  4. 4.14 × ? = 14000
  5. 5.21 × 1000 =
  6. 6.5 × 1000 =
  7. 7.13 × ? = 1300
  8. 8.24 × ? = 2400
  9. 9.76 × 100 =
  10. 10.295 × 10 =
  11. 11.41 × 1000 =
  12. 12.212 × 10 =
  13. 13.29 × 100 =
  14. 14.67 × 10 =
  15. 15.529 × ? = 5290
  16. 16.17 × 1000 =
  17. 17.37 × 1000 =
  18. 18.74 × 100 =
  19. 19.103 × 10 =
  20. 20.37 × 100 =
  21. 21.15 × 100 =
  22. 22.409 × ? = 4090
  23. 23.83 × ? = 8300
  24. 24.831 × 10 =
  25. 25.48 × 1000 =
  26. 26.57 × 10 =
  27. 27.855 × 10 =
  28. 28.322 × 10 =
  29. 29.40 × 1000 =
  30. 30.44 × 100 =
  31. 31.13 × 100 =
  32. 32.595 × 10 =
  33. 33.65 × ? = 650
  34. 34.931 × 10 =
  35. 35.28 × ? = 2800
  36. 36.71 × ? = 7100
  37. 37.448 × 10 =
  38. 38.130 × ? = 1300
  39. 39.201 × 10 =
  40. 40.44 × 1000 =

Answer key

  1. 1000
  2. 5000
  3. 1000
  4. 1000
  5. 21000
  6. 5000
  7. 100
  8. 100
  9. 7600
  10. 2950
  11. 41000
  12. 2120
  13. 2900
  14. 670
  15. 10
  16. 17000
  17. 37000
  18. 7400
  19. 1030
  20. 3700
  21. 1500
  22. 10
  23. 100
  24. 8310
  25. 48000
  26. 570
  27. 8550
  28. 3220
  29. 40000
  30. 4400
  31. 1300
  32. 5950
  33. 10
  34. 9310
  35. 100
  36. 100
  37. 4480
  38. 10
  39. 2010
  40. 44000

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