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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 660 · 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. 1.0.35 as a percent =
  2. 2.1/10 as a percent =
  3. 3.0.55 as a percent =
  4. 4.Which fraction is 0.5? (a) 17/20 (b) 1/2 (c) 4/5 (d) 1/10
  5. 5.7/8 as a percent =
  6. 6.30% as a decimal =
  7. 7.3/8 as a percent =
  8. 8.1/2 as a percent =
  9. 9.Which fraction is 15%? (a) 7/8 (b) 3/20 (c) 1/4 (d) 7/10
  10. 10.1/2 as a percent =
  11. 11.0.375 as a percent =
  12. 12.0.3 as a percent =
  13. 13.25% as a decimal =
  14. 14.0.25 as a percent =
  15. 15.9/20 as a percent =
  16. 16.0.05 as a percent =
  17. 17.87.5% as a decimal =
  18. 18.75% as a decimal =
  19. 19.9/20 as a percent =
  20. 20.2/5 as a percent =
  21. 21.5/8 as a percent =
  22. 22.0.85 as a percent =
  23. 23.5/8 as a percent =
  24. 24.85% as a decimal =
  25. 25.Which fraction is 95%? (a) 19/20 (b) 9/20 (c) 9/10 (d) 2/5
  26. 26.62.5% as a decimal =
  27. 27.Which fraction is 0.4? (a) 4/5 (b) 1/8 (c) 1/4 (d) 2/5
  28. 28.1/20 as a percent =
  29. 29.0.7 as a percent =
  30. 30.7/20 as a percent =
  31. 31.Which fraction is 0.5? (a) 13/20 (b) 3/4 (c) 1/2 (d) 3/5
  32. 32.Which fraction is 15%? (a) 5/8 (b) 3/10 (c) 13/20 (d) 3/20
  33. 33.1/20 as a percent =
  34. 34.Which fraction is 65%? (a) 3/20 (b) 3/8 (c) 13/20 (d) 7/8
  35. 35.45% as a decimal =
  36. 36.90% as a decimal =
  37. 37.0.8 as a percent =
  38. 38.Which fraction is 80%? (a) 1/8 (b) 1/10 (c) 4/5 (d) 1/5
  39. 39.3/5 as a percent =
  40. 40.0.75 as a percent =

Answer key

  1. 35
  2. 10
  3. 55
  4. 1/2
  5. 87.5
  6. 0.3
  7. 37.5
  8. 50
  9. 3/20
  10. 50
  11. 37.5
  12. 30
  13. 0.25
  14. 25
  15. 45
  16. 5
  17. 0.875
  18. 0.75
  19. 45
  20. 40
  21. 62.5
  22. 85
  23. 62.5
  24. 0.85
  25. 19/20
  26. 0.625
  27. 2/5
  28. 5
  29. 70
  30. 35
  31. 1/2
  32. 3/20
  33. 5
  34. 13/20
  35. 0.45
  36. 0.9
  37. 80
  38. 4/5
  39. 60
  40. 75

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