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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 105 · 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. 1.25% as a decimal =
  2. 2.1/2 as a percent =
  3. 3.7/20 as a percent =
  4. 4.Which fraction is 20%? (a) 1/5 (b) 19/20 (c) 1/8 (d) 3/10
  5. 5.0.9 as a percent =
  6. 6.1/10 as a percent =
  7. 7.0.375 as a percent =
  8. 8.Which fraction is 10%? (a) 5/8 (b) 1/10 (c) 7/20 (d) 1/2
  9. 9.7/20 as a percent =
  10. 10.Which fraction is 0.75? (a) 3/4 (b) 11/20 (c) 2/5 (d) 7/8
  11. 11.70% as a decimal =
  12. 12.3/4 as a percent =
  13. 13.Which fraction is 0.65? (a) 19/20 (b) 7/10 (c) 9/20 (d) 13/20
  14. 14.Which fraction is 0.4? (a) 1/8 (b) 7/8 (c) 3/8 (d) 2/5
  15. 15.50% as a decimal =
  16. 16.0.6 as a percent =
  17. 17.5% as a decimal =
  18. 18.Which fraction is 20%? (a) 9/10 (b) 1/5 (c) 17/20 (d) 7/8
  19. 19.95% as a decimal =
  20. 20.Which fraction is 60%? (a) 5/8 (b) 19/20 (c) 3/8 (d) 3/5
  21. 21.3/20 as a percent =
  22. 22.75% as a decimal =
  23. 23.0.5 as a percent =
  24. 24.7/10 as a percent =
  25. 25.30% as a decimal =
  26. 26.Which fraction is 0.8? (a) 7/20 (b) 3/8 (c) 2/5 (d) 4/5
  27. 27.3/5 as a percent =
  28. 28.Which fraction is 85%? (a) 7/8 (b) 17/20 (c) 3/20 (d) 7/10
  29. 29.0.15 as a percent =
  30. 30.Which fraction is 20%? (a) 3/8 (b) 1/5 (c) 1/10 (d) 1/8
  31. 31.70% as a decimal =
  32. 32.9/10 as a percent =
  33. 33.50% as a decimal =
  34. 34.0.85 as a percent =
  35. 35.13/20 as a percent =
  36. 36.Which fraction is 37.5%? (a) 1/20 (b) 3/8 (c) 11/20 (d) 4/5
  37. 37.75% as a decimal =
  38. 38.0.15 as a percent =
  39. 39.Which fraction is 0.8? (a) 7/20 (b) 4/5 (c) 2/5 (d) 9/10
  40. 40.0.5 as a percent =

Answer key

  1. 0.25
  2. 50
  3. 35
  4. 1/5
  5. 90
  6. 10
  7. 37.5
  8. 1/10
  9. 35
  10. 3/4
  11. 0.7
  12. 75
  13. 13/20
  14. 2/5
  15. 0.5
  16. 60
  17. 0.05
  18. 1/5
  19. 0.95
  20. 3/5
  21. 15
  22. 0.75
  23. 50
  24. 70
  25. 0.3
  26. 4/5
  27. 60
  28. 17/20
  29. 15
  30. 1/5
  31. 0.7
  32. 90
  33. 0.5
  34. 85
  35. 65
  36. 3/8
  37. 0.75
  38. 15
  39. 4/5
  40. 50

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