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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 32 · 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. 1.65% as a decimal =
  2. 2.1/8 as a percent =
  3. 3.0.25 as a percent =
  4. 4.3/5 as a percent =
  5. 5.5/8 as a percent =
  6. 6.0.5 as a percent =
  7. 7.5% as a decimal =
  8. 8.9/20 as a percent =
  9. 9.80% as a decimal =
  10. 10.Which fraction is 20%? (a) 1/5 (b) 3/20 (c) 11/20 (d) 7/10
  11. 11.0.5 as a percent =
  12. 12.Which fraction is 0.2? (a) 7/20 (b) 1/5 (c) 1/4 (d) 1/8
  13. 13.2/5 as a percent =
  14. 14.Which fraction is 50%? (a) 19/20 (b) 7/20 (c) 7/8 (d) 1/2
  15. 15.Which fraction is 0.05? (a) 19/20 (b) 1/20 (c) 7/20 (d) 9/10
  16. 16.0.5 as a percent =
  17. 17.70% as a decimal =
  18. 18.0.45 as a percent =
  19. 19.3/10 as a percent =
  20. 20.70% as a decimal =
  21. 21.0.85 as a percent =
  22. 22.5% as a decimal =
  23. 23.5% as a decimal =
  24. 24.95% as a decimal =
  25. 25.87.5% as a decimal =
  26. 26.Which fraction is 90%? (a) 5/8 (b) 19/20 (c) 3/20 (d) 9/10
  27. 27.0.125 as a percent =
  28. 28.37.5% as a decimal =
  29. 29.80% as a decimal =
  30. 30.0.65 as a percent =
  31. 31.Which fraction is 5%? (a) 7/20 (b) 13/20 (c) 1/20 (d) 17/20
  32. 32.3/8 as a percent =
  33. 33.3/20 as a percent =
  34. 34.0.875 as a percent =
  35. 35.55% as a decimal =
  36. 36.35% as a decimal =
  37. 37.40% as a decimal =
  38. 38.Which fraction is 95%? (a) 4/5 (b) 3/20 (c) 3/8 (d) 19/20
  39. 39.11/20 as a percent =
  40. 40.Which fraction is 95%? (a) 4/5 (b) 3/5 (c) 1/5 (d) 19/20

Answer key

  1. 0.65
  2. 12.5
  3. 25
  4. 60
  5. 62.5
  6. 50
  7. 0.05
  8. 45
  9. 0.8
  10. 1/5
  11. 50
  12. 1/5
  13. 40
  14. 1/2
  15. 1/20
  16. 50
  17. 0.7
  18. 45
  19. 30
  20. 0.7
  21. 85
  22. 0.05
  23. 0.05
  24. 0.95
  25. 0.875
  26. 9/10
  27. 12.5
  28. 0.375
  29. 0.8
  30. 65
  31. 1/20
  32. 37.5
  33. 15
  34. 87.5
  35. 0.55
  36. 0.35
  37. 0.4
  38. 19/20
  39. 55
  40. 19/20

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