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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 418 · 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. 1.60% as a decimal =
  2. 2.1/2 as a percent =
  3. 3.Which fraction is 30%? (a) 1/10 (b) 7/20 (c) 7/10 (d) 3/10
  4. 4.0.7 as a percent =
  5. 5.3/10 as a percent =
  6. 6.3/20 as a percent =
  7. 7.87.5% as a decimal =
  8. 8.Which fraction is 0.2? (a) 7/10 (b) 1/5 (c) 3/10 (d) 1/4
  9. 9.0.35 as a percent =
  10. 10.7/20 as a percent =
  11. 11.0.35 as a percent =
  12. 12.20% as a decimal =
  13. 13.0.2 as a percent =
  14. 14.1/4 as a percent =
  15. 15.5/8 as a percent =
  16. 16.Which fraction is 0.05? (a) 11/20 (b) 1/20 (c) 7/8 (d) 3/20
  17. 17.0.95 as a percent =
  18. 18.Which fraction is 0.35? (a) 3/20 (b) 1/20 (c) 7/20 (d) 1/8
  19. 19.0.375 as a percent =
  20. 20.Which fraction is 25%? (a) 9/20 (b) 1/5 (c) 11/20 (d) 1/4
  21. 21.17/20 as a percent =
  22. 22.Which fraction is 45%? (a) 1/8 (b) 9/20 (c) 17/20 (d) 3/5
  23. 23.2/5 as a percent =
  24. 24.3/8 as a percent =
  25. 25.0.4 as a percent =
  26. 26.9/20 as a percent =
  27. 27.0.5 as a percent =
  28. 28.Which fraction is 37.5%? (a) 1/20 (b) 3/20 (c) 17/20 (d) 3/8
  29. 29.60% as a decimal =
  30. 30.0.15 as a percent =
  31. 31.Which fraction is 12.5%? (a) 2/5 (b) 1/10 (c) 1/20 (d) 1/8
  32. 32.15% as a decimal =
  33. 33.1/10 as a percent =
  34. 34.0.9 as a percent =
  35. 35.3/4 as a percent =
  36. 36.45% as a decimal =
  37. 37.3/4 as a percent =
  38. 38.0.875 as a percent =
  39. 39.37.5% as a decimal =
  40. 40.60% as a decimal =

Answer key

  1. 0.6
  2. 50
  3. 3/10
  4. 70
  5. 30
  6. 15
  7. 0.875
  8. 1/5
  9. 35
  10. 35
  11. 35
  12. 0.2
  13. 20
  14. 25
  15. 62.5
  16. 1/20
  17. 95
  18. 7/20
  19. 37.5
  20. 1/4
  21. 85
  22. 9/20
  23. 40
  24. 37.5
  25. 40
  26. 45
  27. 50
  28. 3/8
  29. 0.6
  30. 15
  31. 1/8
  32. 0.15
  33. 10
  34. 90
  35. 75
  36. 0.45
  37. 75
  38. 87.5
  39. 0.375
  40. 0.6

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