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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 802 · 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 50%? (a) 4/5 (b) 1/2 (c) 1/4 (d) 9/20
  2. 2.5% as a decimal =
  3. 3.1/2 as a percent =
  4. 4.70% as a decimal =
  5. 5.0.2 as a percent =
  6. 6.1/8 as a percent =
  7. 7.Which fraction is 0.35? (a) 9/20 (b) 1/8 (c) 17/20 (d) 7/20
  8. 8.1/20 as a percent =
  9. 9.11/20 as a percent =
  10. 10.0.25 as a percent =
  11. 11.13/20 as a percent =
  12. 12.3/10 as a percent =
  13. 13.Which fraction is 0.5? (a) 17/20 (b) 5/8 (c) 2/5 (d) 1/2
  14. 14.Which fraction is 0.2? (a) 7/20 (b) 3/4 (c) 1/5 (d) 1/2
  15. 15.10% as a decimal =
  16. 16.0.9 as a percent =
  17. 17.0.2 as a percent =
  18. 18.50% as a decimal =
  19. 19.19/20 as a percent =
  20. 20.3/5 as a percent =
  21. 21.45% as a decimal =
  22. 22.Which fraction is 0.5? (a) 1/5 (b) 19/20 (c) 4/5 (d) 1/2
  23. 23.62.5% as a decimal =
  24. 24.0.85 as a percent =
  25. 25.3/10 as a percent =
  26. 26.0.25 as a percent =
  27. 27.0.55 as a percent =
  28. 28.1/4 as a percent =
  29. 29.25% as a decimal =
  30. 30.0.5 as a percent =
  31. 31.0.85 as a percent =
  32. 32.55% as a decimal =
  33. 33.60% as a decimal =
  34. 34.0.45 as a percent =
  35. 35.19/20 as a percent =
  36. 36.0.85 as a percent =
  37. 37.3/10 as a percent =
  38. 38.9/10 as a percent =
  39. 39.90% as a decimal =
  40. 40.75% as a decimal =

Answer key

  1. 1/2
  2. 0.05
  3. 50
  4. 0.7
  5. 20
  6. 12.5
  7. 7/20
  8. 5
  9. 55
  10. 25
  11. 65
  12. 30
  13. 1/2
  14. 1/5
  15. 0.1
  16. 90
  17. 20
  18. 0.5
  19. 95
  20. 60
  21. 0.45
  22. 1/2
  23. 0.625
  24. 85
  25. 30
  26. 25
  27. 55
  28. 25
  29. 0.25
  30. 50
  31. 85
  32. 0.55
  33. 0.6
  34. 45
  35. 95
  36. 85
  37. 30
  38. 90
  39. 0.9
  40. 0.75

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