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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 256 · 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. 2.9/20 as a percent =
  3. 3.Which fraction is 0.65? (a) 3/5 (b) 19/20 (c) 13/20 (d) 3/10
  4. 4.0.4 as a percent =
  5. 5.7/20 as a percent =
  6. 6.1/5 as a percent =
  7. 7.45% as a decimal =
  8. 8.9/10 as a percent =
  9. 9.0.4 as a percent =
  10. 10.95% as a decimal =
  11. 11.3/4 as a percent =
  12. 12.Which fraction is 90%? (a) 3/10 (b) 1/2 (c) 17/20 (d) 9/10
  13. 13.0.15 as a percent =
  14. 14.15% as a decimal =
  15. 15.0.7 as a percent =
  16. 16.0.5 as a percent =
  17. 17.1/4 as a percent =
  18. 18.Which fraction is 90%? (a) 19/20 (b) 9/10 (c) 1/5 (d) 3/10
  19. 19.3/4 as a percent =
  20. 20.0.65 as a percent =
  21. 21.30% as a decimal =
  22. 22.Which fraction is 45%? (a) 3/20 (b) 19/20 (c) 9/20 (d) 1/2
  23. 23.Which fraction is 0.1? (a) 1/8 (b) 11/20 (c) 1/10 (d) 2/5
  24. 24.Which fraction is 50%? (a) 9/20 (b) 13/20 (c) 4/5 (d) 1/2
  25. 25.70% as a decimal =
  26. 26.0.1 as a percent =
  27. 27.30% as a decimal =
  28. 28.0.55 as a percent =
  29. 29.87.5% as a decimal =
  30. 30.0.75 as a percent =
  31. 31.85% as a decimal =
  32. 32.95% as a decimal =
  33. 33.0.15 as a percent =
  34. 34.0.5 as a percent =
  35. 35.0.15 as a percent =
  36. 36.1/2 as a percent =
  37. 37.62.5% as a decimal =
  38. 38.9/10 as a percent =
  39. 39.Which fraction is 70%? (a) 9/20 (b) 3/8 (c) 7/10 (d) 3/5
  40. 40.Which fraction is 0.85? (a) 3/4 (b) 4/5 (c) 1/20 (d) 17/20

Answer key

  1. 35
  2. 45
  3. 13/20
  4. 40
  5. 35
  6. 20
  7. 0.45
  8. 90
  9. 40
  10. 0.95
  11. 75
  12. 9/10
  13. 15
  14. 0.15
  15. 70
  16. 50
  17. 25
  18. 9/10
  19. 75
  20. 65
  21. 0.3
  22. 9/20
  23. 1/10
  24. 1/2
  25. 0.7
  26. 10
  27. 0.3
  28. 55
  29. 0.875
  30. 75
  31. 0.85
  32. 0.95
  33. 15
  34. 50
  35. 15
  36. 50
  37. 0.625
  38. 90
  39. 7/10
  40. 17/20

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