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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 272 · 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 × ? = 4900
  2. 2.30 × ? = 3000
  3. 3.23 × ? = 23000
  4. 4.5 × ? = 500
  5. 5.212 × 10 =
  6. 6.85 × 100 =
  7. 7.47 × 1000 =
  8. 8.72 × 10 =
  9. 9.11 × 100 =
  10. 10.6 × ? = 6000
  11. 11.153 × 10 =
  12. 12.86 × 100 =
  13. 13.31 × ? = 31000
  14. 14.16 × ? = 16000
  15. 15.63 × ? = 6300
  16. 16.4 × 100 =
  17. 17.32 × ? = 32000
  18. 18.88 × 100 =
  19. 19.95 × 100 =
  20. 20.292 × ? = 2920
  21. 21.25 × 1000 =
  22. 22.15 × 100 =
  23. 23.4 × 1000 =
  24. 24.37 × 100 =
  25. 25.7 × 1000 =
  26. 26.391 × 10 =
  27. 27.16 × 1000 =
  28. 28.815 × 10 =
  29. 29.49 × 100 =
  30. 30.69 × ? = 6900
  31. 31.947 × 10 =
  32. 32.67 × 100 =
  33. 33.61 × 10 =
  34. 34.26 × ? = 2600
  35. 35.69 × 100 =
  36. 36.8 × 1000 =
  37. 37.22 × 1000 =
  38. 38.311 × 10 =
  39. 39.19 × 1000 =
  40. 40.64 × ? = 6400

Answer key

  1. 100
  2. 100
  3. 1000
  4. 100
  5. 2120
  6. 8500
  7. 47000
  8. 720
  9. 1100
  10. 1000
  11. 1530
  12. 8600
  13. 1000
  14. 1000
  15. 100
  16. 400
  17. 1000
  18. 8800
  19. 9500
  20. 10
  21. 25000
  22. 1500
  23. 4000
  24. 3700
  25. 7000
  26. 3910
  27. 16000
  28. 8150
  29. 4900
  30. 100
  31. 9470
  32. 6700
  33. 610
  34. 100
  35. 6900
  36. 8000
  37. 22000
  38. 3110
  39. 19000
  40. 100

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