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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 115 · 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. 1.49 × 100 =
  2. 2.14 × 1000 =
  3. 3.55 × ? = 5500
  4. 4.67 × 10 =
  5. 5.106 × 10 =
  6. 6.118 × ? = 1180
  7. 7.61 × 100 =
  8. 8.826 × ? = 8260
  9. 9.170 × 10 =
  10. 10.49 × 1000 =
  11. 11.586 × 10 =
  12. 12.88 × 100 =
  13. 13.16 × ? = 16000
  14. 14.8 × 1000 =
  15. 15.2 × 10 =
  16. 16.6 × 1000 =
  17. 17.33 × 1000 =
  18. 18.30 × 100 =
  19. 19.11 × 1000 =
  20. 20.94 × ? = 9400
  21. 21.897 × 10 =
  22. 22.233 × 10 =
  23. 23.44 × ? = 44000
  24. 24.812 × ? = 8120
  25. 25.121 × 10 =
  26. 26.79 × ? = 7900
  27. 27.634 × 10 =
  28. 28.450 × 10 =
  29. 29.294 × ? = 2940
  30. 30.80 × ? = 8000
  31. 31.421 × 10 =
  32. 32.18 × 1000 =
  33. 33.6 × 100 =
  34. 34.36 × ? = 36000
  35. 35.31 × 100 =
  36. 36.41 × ? = 41000
  37. 37.12 × 100 =
  38. 38.60 × 100 =
  39. 39.646 × 10 =
  40. 40.20 × 1000 =

Answer key

  1. 4900
  2. 14000
  3. 100
  4. 670
  5. 1060
  6. 10
  7. 6100
  8. 10
  9. 1700
  10. 49000
  11. 5860
  12. 8800
  13. 1000
  14. 8000
  15. 20
  16. 6000
  17. 33000
  18. 3000
  19. 11000
  20. 100
  21. 8970
  22. 2330
  23. 1000
  24. 10
  25. 1210
  26. 100
  27. 6340
  28. 4500
  29. 10
  30. 100
  31. 4210
  32. 18000
  33. 600
  34. 1000
  35. 3100
  36. 1000
  37. 1200
  38. 6000
  39. 6460
  40. 20000

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