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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 340 · 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. 1.1/5 as a percent =
  2. 2.1/10 as a percent =
  3. 3.75% as a decimal =
  4. 4.1/10 as a percent =
  5. 5.0.75 as a percent =
  6. 6.1/4 as a percent =
  7. 7.1/10 as a percent =
  8. 8.0.85 as a percent =
  9. 9.3/4 as a percent =
  10. 10.62.5% as a decimal =
  11. 11.0.65 as a percent =
  12. 12.17/20 as a percent =
  13. 13.0.85 as a percent =
  14. 14.Which fraction is 15%? (a) 3/5 (b) 3/8 (c) 3/10 (d) 3/20
  15. 15.3/8 as a percent =
  16. 16.Which fraction is 0.7? (a) 1/10 (b) 1/2 (c) 19/20 (d) 7/10
  17. 17.62.5% as a decimal =
  18. 18.0.15 as a percent =
  19. 19.0.9 as a percent =
  20. 20.95% as a decimal =
  21. 21.3/4 as a percent =
  22. 22.13/20 as a percent =
  23. 23.5/8 as a percent =
  24. 24.1/4 as a percent =
  25. 25.0.95 as a percent =
  26. 26.3/20 as a percent =
  27. 27.0.375 as a percent =
  28. 28.0.5 as a percent =
  29. 29.0.05 as a percent =
  30. 30.0.3 as a percent =
  31. 31.85% as a decimal =
  32. 32.0.25 as a percent =
  33. 33.65% as a decimal =
  34. 34.Which fraction is 80%? (a) 4/5 (b) 19/20 (c) 1/8 (d) 7/8
  35. 35.0.95 as a percent =
  36. 36.0.35 as a percent =
  37. 37.1/10 as a percent =
  38. 38.Which fraction is 0.4? (a) 5/8 (b) 1/5 (c) 9/10 (d) 2/5
  39. 39.4/5 as a percent =
  40. 40.0.4 as a percent =

Answer key

  1. 20
  2. 10
  3. 0.75
  4. 10
  5. 75
  6. 25
  7. 10
  8. 85
  9. 75
  10. 0.625
  11. 65
  12. 85
  13. 85
  14. 3/20
  15. 37.5
  16. 7/10
  17. 0.625
  18. 15
  19. 90
  20. 0.95
  21. 75
  22. 65
  23. 62.5
  24. 25
  25. 95
  26. 15
  27. 37.5
  28. 50
  29. 5
  30. 30
  31. 0.85
  32. 25
  33. 0.65
  34. 4/5
  35. 95
  36. 35
  37. 10
  38. 2/5
  39. 80
  40. 40

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