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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 9 · 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. 1.5/8 as a percent =
  2. 2.35% as a decimal =
  3. 3.7/10 as a percent =
  4. 4.0.9 as a percent =
  5. 5.Which fraction is 0.3? (a) 9/10 (b) 3/20 (c) 3/10 (d) 3/5
  6. 6.3/8 as a percent =
  7. 7.85% as a decimal =
  8. 8.65% as a decimal =
  9. 9.7/8 as a percent =
  10. 10.0.5 as a percent =
  11. 11.87.5% as a decimal =
  12. 12.0.55 as a percent =
  13. 13.15% as a decimal =
  14. 14.1/2 as a percent =
  15. 15.7/10 as a percent =
  16. 16.0.2 as a percent =
  17. 17.Which fraction is 0.625? (a) 1/20 (b) 1/5 (c) 5/8 (d) 1/2
  18. 18.9/20 as a percent =
  19. 19.1/5 as a percent =
  20. 20.55% as a decimal =
  21. 21.1/2 as a percent =
  22. 22.3/10 as a percent =
  23. 23.25% as a decimal =
  24. 24.37.5% as a decimal =
  25. 25.0.75 as a percent =
  26. 26.Which fraction is 90%? (a) 11/20 (b) 17/20 (c) 1/8 (d) 9/10
  27. 27.50% as a decimal =
  28. 28.45% as a decimal =
  29. 29.19/20 as a percent =
  30. 30.Which fraction is 40%? (a) 3/4 (b) 1/5 (c) 2/5 (d) 3/10
  31. 31.19/20 as a percent =
  32. 32.1/2 as a percent =
  33. 33.70% as a decimal =
  34. 34.0.5 as a percent =
  35. 35.Which fraction is 50%? (a) 9/20 (b) 1/2 (c) 1/5 (d) 2/5
  36. 36.90% as a decimal =
  37. 37.Which fraction is 50%? (a) 3/8 (b) 4/5 (c) 1/2 (d) 11/20
  38. 38.3/5 as a percent =
  39. 39.0.15 as a percent =
  40. 40.9/20 as a percent =

Answer key

  1. 62.5
  2. 0.35
  3. 70
  4. 90
  5. 3/10
  6. 37.5
  7. 0.85
  8. 0.65
  9. 87.5
  10. 50
  11. 0.875
  12. 55
  13. 0.15
  14. 50
  15. 70
  16. 20
  17. 5/8
  18. 45
  19. 20
  20. 0.55
  21. 50
  22. 30
  23. 0.25
  24. 0.375
  25. 75
  26. 9/10
  27. 0.5
  28. 0.45
  29. 95
  30. 2/5
  31. 95
  32. 50
  33. 0.7
  34. 50
  35. 1/2
  36. 0.9
  37. 1/2
  38. 60
  39. 15
  40. 45

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