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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 931 · 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.Which fraction is 55%? (a) 3/5 (b) 11/20 (c) 9/10 (d) 1/2
  2. 2.3/5 as a percent =
  3. 3.0.15 as a percent =
  4. 4.65% as a decimal =
  5. 5.Which fraction is 50%? (a) 7/20 (b) 1/2 (c) 3/5 (d) 4/5
  6. 6.70% as a decimal =
  7. 7.5/8 as a percent =
  8. 8.90% as a decimal =
  9. 9.3/10 as a percent =
  10. 10.1/5 as a percent =
  11. 11.Which fraction is 0.4? (a) 3/8 (b) 1/5 (c) 1/8 (d) 2/5
  12. 12.Which fraction is 90%? (a) 3/20 (b) 3/8 (c) 9/10 (d) 7/20
  13. 13.9/20 as a percent =
  14. 14.0.2 as a percent =
  15. 15.0.125 as a percent =
  16. 16.Which fraction is 0.2? (a) 7/20 (b) 19/20 (c) 1/5 (d) 3/4
  17. 17.0.15 as a percent =
  18. 18.Which fraction is 10%? (a) 17/20 (b) 1/5 (c) 1/10 (d) 13/20
  19. 19.50% as a decimal =
  20. 20.Which fraction is 0.7? (a) 11/20 (b) 1/8 (c) 7/10 (d) 2/5
  21. 21.80% as a decimal =
  22. 22.50% as a decimal =
  23. 23.70% as a decimal =
  24. 24.80% as a decimal =
  25. 25.7/20 as a percent =
  26. 26.Which fraction is 60%? (a) 1/20 (b) 2/5 (c) 3/4 (d) 3/5
  27. 27.Which fraction is 20%? (a) 1/5 (b) 3/8 (c) 3/10 (d) 17/20
  28. 28.0.5 as a percent =
  29. 29.17/20 as a percent =
  30. 30.0.05 as a percent =
  31. 31.90% as a decimal =
  32. 32.10% as a decimal =
  33. 33.13/20 as a percent =
  34. 34.Which fraction is 15%? (a) 3/20 (b) 1/4 (c) 4/5 (d) 7/8
  35. 35.1/8 as a percent =
  36. 36.0.3 as a percent =
  37. 37.Which fraction is 30%? (a) 13/20 (b) 1/10 (c) 1/4 (d) 3/10
  38. 38.12.5% as a decimal =
  39. 39.40% as a decimal =
  40. 40.9/10 as a percent =

Answer key

  1. 11/20
  2. 60
  3. 15
  4. 0.65
  5. 1/2
  6. 0.7
  7. 62.5
  8. 0.9
  9. 30
  10. 20
  11. 2/5
  12. 9/10
  13. 45
  14. 20
  15. 12.5
  16. 1/5
  17. 15
  18. 1/10
  19. 0.5
  20. 7/10
  21. 0.8
  22. 0.5
  23. 0.7
  24. 0.8
  25. 35
  26. 3/5
  27. 1/5
  28. 50
  29. 85
  30. 5
  31. 0.9
  32. 0.1
  33. 65
  34. 3/20
  35. 12.5
  36. 30
  37. 3/10
  38. 0.125
  39. 0.4
  40. 90

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