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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 86 · 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. 1.5/8 as a percent =
  2. 2.1/5 as a percent =
  3. 3.1/5 as a percent =
  4. 4.0.9 as a percent =
  5. 5.Which fraction is 0.9? (a) 1/5 (b) 1/20 (c) 17/20 (d) 9/10
  6. 6.1/10 as a percent =
  7. 7.Which fraction is 0.25? (a) 9/20 (b) 4/5 (c) 1/4 (d) 1/20
  8. 8.Which fraction is 0.15? (a) 3/20 (b) 3/8 (c) 1/4 (d) 3/5
  9. 9.Which fraction is 10%? (a) 1/5 (b) 1/10 (c) 1/8 (d) 7/8
  10. 10.1/10 as a percent =
  11. 11.0.5 as a percent =
  12. 12.0.45 as a percent =
  13. 13.85% as a decimal =
  14. 14.90% as a decimal =
  15. 15.65% as a decimal =
  16. 16.Which fraction is 62.5%? (a) 1/4 (b) 7/20 (c) 9/10 (d) 5/8
  17. 17.0.85 as a percent =
  18. 18.37.5% as a decimal =
  19. 19.45% as a decimal =
  20. 20.3/8 as a percent =
  21. 21.Which fraction is 0.7? (a) 7/10 (b) 1/20 (c) 7/8 (d) 5/8
  22. 22.0.125 as a percent =
  23. 23.Which fraction is 25%? (a) 7/8 (b) 1/10 (c) 1/4 (d) 9/20
  24. 24.Which fraction is 85%? (a) 1/5 (b) 3/5 (c) 9/10 (d) 17/20
  25. 25.20% as a decimal =
  26. 26.Which fraction is 0.2? (a) 4/5 (b) 1/5 (c) 1/8 (d) 5/8
  27. 27.Which fraction is 10%? (a) 1/8 (b) 3/20 (c) 11/20 (d) 1/10
  28. 28.13/20 as a percent =
  29. 29.17/20 as a percent =
  30. 30.3/8 as a percent =
  31. 31.0.95 as a percent =
  32. 32.0.05 as a percent =
  33. 33.Which fraction is 0.05? (a) 19/20 (b) 7/10 (c) 1/20 (d) 1/4
  34. 34.7/10 as a percent =
  35. 35.7/20 as a percent =
  36. 36.11/20 as a percent =
  37. 37.7/8 as a percent =
  38. 38.55% as a decimal =
  39. 39.1/2 as a percent =
  40. 40.75% as a decimal =

Answer key

  1. 62.5
  2. 20
  3. 20
  4. 90
  5. 9/10
  6. 10
  7. 1/4
  8. 3/20
  9. 1/10
  10. 10
  11. 50
  12. 45
  13. 0.85
  14. 0.9
  15. 0.65
  16. 5/8
  17. 85
  18. 0.375
  19. 0.45
  20. 37.5
  21. 7/10
  22. 12.5
  23. 1/4
  24. 17/20
  25. 0.2
  26. 1/5
  27. 1/10
  28. 65
  29. 85
  30. 37.5
  31. 95
  32. 5
  33. 1/20
  34. 70
  35. 35
  36. 55
  37. 87.5
  38. 0.55
  39. 50
  40. 0.75

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