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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 707 · 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. 1.7/20 as a percent =
  2. 2.2/5 as a percent =
  3. 3.Which fraction is 0.5? (a) 2/5 (b) 1/2 (c) 3/10 (d) 9/10
  4. 4.Which fraction is 0.8? (a) 4/5 (b) 11/20 (c) 13/20 (d) 1/5
  5. 5.1/4 as a percent =
  6. 6.Which fraction is 0.45? (a) 17/20 (b) 9/20 (c) 19/20 (d) 1/20
  7. 7.Which fraction is 65%? (a) 9/10 (b) 1/20 (c) 9/20 (d) 13/20
  8. 8.0.25 as a percent =
  9. 9.10% as a decimal =
  10. 10.19/20 as a percent =
  11. 11.0.15 as a percent =
  12. 12.0.625 as a percent =
  13. 13.1/8 as a percent =
  14. 14.35% as a decimal =
  15. 15.Which fraction is 15%? (a) 3/5 (b) 4/5 (c) 3/20 (d) 7/8
  16. 16.7/8 as a percent =
  17. 17.80% as a decimal =
  18. 18.3/20 as a percent =
  19. 19.3/5 as a percent =
  20. 20.Which fraction is 0.95? (a) 7/20 (b) 1/20 (c) 1/2 (d) 19/20
  21. 21.0.05 as a percent =
  22. 22.0.65 as a percent =
  23. 23.Which fraction is 40%? (a) 1/4 (b) 2/5 (c) 9/20 (d) 3/8
  24. 24.17/20 as a percent =
  25. 25.Which fraction is 10%? (a) 7/10 (b) 3/5 (c) 1/4 (d) 1/10
  26. 26.75% as a decimal =
  27. 27.45% as a decimal =
  28. 28.0.2 as a percent =
  29. 29.1/4 as a percent =
  30. 30.9/20 as a percent =
  31. 31.3/4 as a percent =
  32. 32.0.45 as a percent =
  33. 33.15% as a decimal =
  34. 34.3/5 as a percent =
  35. 35.3/8 as a percent =
  36. 36.30% as a decimal =
  37. 37.0.875 as a percent =
  38. 38.7/8 as a percent =
  39. 39.40% as a decimal =
  40. 40.0.75 as a percent =

Answer key

  1. 35
  2. 40
  3. 1/2
  4. 4/5
  5. 25
  6. 9/20
  7. 13/20
  8. 25
  9. 0.1
  10. 95
  11. 15
  12. 62.5
  13. 12.5
  14. 0.35
  15. 3/20
  16. 87.5
  17. 0.8
  18. 15
  19. 60
  20. 19/20
  21. 5
  22. 65
  23. 2/5
  24. 85
  25. 1/10
  26. 0.75
  27. 0.45
  28. 20
  29. 25
  30. 45
  31. 75
  32. 45
  33. 0.15
  34. 60
  35. 37.5
  36. 0.3
  37. 87.5
  38. 87.5
  39. 0.4
  40. 75

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