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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 780 · 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. 1.40% as a decimal =
  2. 2.Which fraction is 25%? (a) 3/5 (b) 1/10 (c) 1/4 (d) 1/20
  3. 3.70% as a decimal =
  4. 4.Which fraction is 0.7? (a) 1/5 (b) 4/5 (c) 7/10 (d) 1/4
  5. 5.70% as a decimal =
  6. 6.5% as a decimal =
  7. 7.90% as a decimal =
  8. 8.Which fraction is 10%? (a) 11/20 (b) 1/4 (c) 2/5 (d) 1/10
  9. 9.50% as a decimal =
  10. 10.Which fraction is 12.5%? (a) 11/20 (b) 7/20 (c) 3/4 (d) 1/8
  11. 11.1/4 as a percent =
  12. 12.7/10 as a percent =
  13. 13.50% as a decimal =
  14. 14.9/10 as a percent =
  15. 15.0.375 as a percent =
  16. 16.55% as a decimal =
  17. 17.25% as a decimal =
  18. 18.60% as a decimal =
  19. 19.40% as a decimal =
  20. 20.4/5 as a percent =
  21. 21.0.1 as a percent =
  22. 22.Which fraction is 80%? (a) 7/20 (b) 13/20 (c) 9/10 (d) 4/5
  23. 23.7/20 as a percent =
  24. 24.95% as a decimal =
  25. 25.1/2 as a percent =
  26. 26.1/10 as a percent =
  27. 27.0.9 as a percent =
  28. 28.Which fraction is 70%? (a) 3/10 (b) 5/8 (c) 13/20 (d) 7/10
  29. 29.1/2 as a percent =
  30. 30.1/4 as a percent =
  31. 31.1/5 as a percent =
  32. 32.0.375 as a percent =
  33. 33.12.5% as a decimal =
  34. 34.1/5 as a percent =
  35. 35.3/5 as a percent =
  36. 36.Which fraction is 0.4? (a) 1/8 (b) 4/5 (c) 2/5 (d) 17/20
  37. 37.55% as a decimal =
  38. 38.11/20 as a percent =
  39. 39.50% as a decimal =
  40. 40.5/8 as a percent =

Answer key

  1. 0.4
  2. 1/4
  3. 0.7
  4. 7/10
  5. 0.7
  6. 0.05
  7. 0.9
  8. 1/10
  9. 0.5
  10. 1/8
  11. 25
  12. 70
  13. 0.5
  14. 90
  15. 37.5
  16. 0.55
  17. 0.25
  18. 0.6
  19. 0.4
  20. 80
  21. 10
  22. 4/5
  23. 35
  24. 0.95
  25. 50
  26. 10
  27. 90
  28. 7/10
  29. 50
  30. 25
  31. 20
  32. 37.5
  33. 0.125
  34. 20
  35. 60
  36. 2/5
  37. 0.55
  38. 55
  39. 0.5
  40. 62.5

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