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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 383 · 40 questions
TalentJR

The fast method (Three names, one amount): Learn the key ones: 1/2 = 50% = 0.5, 1/4 = 25% = 0.25, 1/5 = 20% = 0.2. And: 1/8 = 12.5% = 0.125, 1/10 = 10% = 0.1, 1/20 = 5% = 0.05. Percent → decimal: ÷ 100 (point 2 places left). Decimal → percent: × 100. Fraction → percent: use the unit fraction — 3/8 = 3 × 12.5% = 37.5%.

NameDateTime takenScore ___ / 40
  1. 1.3/10 as a percent =
  2. 2.37.5% as a decimal =
  3. 3.1/20 as a percent =
  4. 4.50% as a decimal =
  5. 5.87.5% as a decimal =
  6. 6.35% as a decimal =
  7. 7.0.1 as a percent =
  8. 8.2/5 as a percent =
  9. 9.90% as a decimal =
  10. 10.10% as a decimal =
  11. 11.12.5% as a decimal =
  12. 12.0.125 as a percent =
  13. 13.3/8 as a percent =
  14. 14.Which fraction is 0.4? (a) 13/20 (b) 2/5 (c) 1/2 (d) 3/5
  15. 15.35% as a decimal =
  16. 16.Which fraction is 30%? (a) 9/20 (b) 1/2 (c) 1/5 (d) 3/10
  17. 17.45% as a decimal =
  18. 18.3/5 as a percent =
  19. 19.4/5 as a percent =
  20. 20.0.4 as a percent =
  21. 21.95% as a decimal =
  22. 22.0.4 as a percent =
  23. 23.0.375 as a percent =
  24. 24.Which fraction is 37.5%? (a) 3/8 (b) 19/20 (c) 11/20 (d) 9/20
  25. 25.4/5 as a percent =
  26. 26.0.5 as a percent =
  27. 27.11/20 as a percent =
  28. 28.7/8 as a percent =
  29. 29.0.7 as a percent =
  30. 30.55% as a decimal =
  31. 31.Which fraction is 35%? (a) 1/2 (b) 7/20 (c) 3/20 (d) 7/10
  32. 32.1/2 as a percent =
  33. 33.50% as a decimal =
  34. 34.0.15 as a percent =
  35. 35.1/5 as a percent =
  36. 36.0.3 as a percent =
  37. 37.0.2 as a percent =
  38. 38.0.6 as a percent =
  39. 39.0.9 as a percent =
  40. 40.87.5% as a decimal =

Answer key

  1. 30
  2. 0.375
  3. 5
  4. 0.5
  5. 0.875
  6. 0.35
  7. 10
  8. 40
  9. 0.9
  10. 0.1
  11. 0.125
  12. 12.5
  13. 37.5
  14. 2/5
  15. 0.35
  16. 3/10
  17. 0.45
  18. 60
  19. 80
  20. 40
  21. 0.95
  22. 40
  23. 37.5
  24. 3/8
  25. 80
  26. 50
  27. 55
  28. 87.5
  29. 70
  30. 0.55
  31. 7/20
  32. 50
  33. 0.5
  34. 15
  35. 20
  36. 30
  37. 20
  38. 60
  39. 90
  40. 0.875

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