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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 279 · 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. 1.80% as a decimal =
  2. 2.0.85 as a percent =
  3. 3.2/5 as a percent =
  4. 4.Which fraction is 10%? (a) 1/10 (b) 13/20 (c) 3/10 (d) 1/4
  5. 5.0.875 as a percent =
  6. 6.0.3 as a percent =
  7. 7.2/5 as a percent =
  8. 8.40% as a decimal =
  9. 9.0.15 as a percent =
  10. 10.1/10 as a percent =
  11. 11.0.4 as a percent =
  12. 12.Which fraction is 15%? (a) 7/8 (b) 11/20 (c) 3/5 (d) 3/20
  13. 13.35% as a decimal =
  14. 14.3/10 as a percent =
  15. 15.0.2 as a percent =
  16. 16.0.35 as a percent =
  17. 17.45% as a decimal =
  18. 18.Which fraction is 30%? (a) 3/10 (b) 3/8 (c) 3/5 (d) 7/8
  19. 19.55% as a decimal =
  20. 20.1/20 as a percent =
  21. 21.0.375 as a percent =
  22. 22.20% as a decimal =
  23. 23.60% as a decimal =
  24. 24.0.1 as a percent =
  25. 25.Which fraction is 50%? (a) 1/2 (b) 19/20 (c) 2/5 (d) 5/8
  26. 26.30% as a decimal =
  27. 27.1/20 as a percent =
  28. 28.Which fraction is 10%? (a) 7/20 (b) 1/10 (c) 3/5 (d) 3/10
  29. 29.0.3 as a percent =
  30. 30.Which fraction is 0.125? (a) 11/20 (b) 9/20 (c) 3/5 (d) 1/8
  31. 31.3/5 as a percent =
  32. 32.20% as a decimal =
  33. 33.7/20 as a percent =
  34. 34.0.85 as a percent =
  35. 35.62.5% as a decimal =
  36. 36.20% as a decimal =
  37. 37.5% as a decimal =
  38. 38.4/5 as a percent =
  39. 39.0.875 as a percent =
  40. 40.7/10 as a percent =

Answer key

  1. 0.8
  2. 85
  3. 40
  4. 1/10
  5. 87.5
  6. 30
  7. 40
  8. 0.4
  9. 15
  10. 10
  11. 40
  12. 3/20
  13. 0.35
  14. 30
  15. 20
  16. 35
  17. 0.45
  18. 3/10
  19. 0.55
  20. 5
  21. 37.5
  22. 0.2
  23. 0.6
  24. 10
  25. 1/2
  26. 0.3
  27. 5
  28. 1/10
  29. 30
  30. 1/8
  31. 60
  32. 0.2
  33. 35
  34. 85
  35. 0.625
  36. 0.2
  37. 0.05
  38. 80
  39. 87.5
  40. 70

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