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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 37 · 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.Which fraction is 0.1? (a) 1/10 (b) 19/20 (c) 4/5 (d) 3/20
  2. 2.0.15 as a percent =
  3. 3.11/20 as a percent =
  4. 4.Which fraction is 0.6? (a) 1/4 (b) 1/10 (c) 17/20 (d) 3/5
  5. 5.0.65 as a percent =
  6. 6.85% as a decimal =
  7. 7.0.9 as a percent =
  8. 8.3/8 as a percent =
  9. 9.Which fraction is 0.45? (a) 5/8 (b) 3/5 (c) 7/10 (d) 9/20
  10. 10.1/2 as a percent =
  11. 11.0.75 as a percent =
  12. 12.3/5 as a percent =
  13. 13.60% as a decimal =
  14. 14.1/4 as a percent =
  15. 15.20% as a decimal =
  16. 16.5/8 as a percent =
  17. 17.0.4 as a percent =
  18. 18.0.05 as a percent =
  19. 19.Which fraction is 20%? (a) 13/20 (b) 3/5 (c) 1/8 (d) 1/5
  20. 20.0.45 as a percent =
  21. 21.0.375 as a percent =
  22. 22.1/2 as a percent =
  23. 23.25% as a decimal =
  24. 24.17/20 as a percent =
  25. 25.0.1 as a percent =
  26. 26.12.5% as a decimal =
  27. 27.0.6 as a percent =
  28. 28.0.45 as a percent =
  29. 29.1/5 as a percent =
  30. 30.Which fraction is 0.625? (a) 1/10 (b) 17/20 (c) 5/8 (d) 3/4
  31. 31.Which fraction is 0.15? (a) 7/8 (b) 3/4 (c) 1/4 (d) 3/20
  32. 32.9/10 as a percent =
  33. 33.0.8 as a percent =
  34. 34.Which fraction is 5%? (a) 2/5 (b) 4/5 (c) 1/20 (d) 7/8
  35. 35.0.95 as a percent =
  36. 36.0.25 as a percent =
  37. 37.Which fraction is 75%? (a) 3/4 (b) 3/5 (c) 1/8 (d) 1/10
  38. 38.0.95 as a percent =
  39. 39.13/20 as a percent =
  40. 40.90% as a decimal =

Answer key

  1. 1/10
  2. 15
  3. 55
  4. 3/5
  5. 65
  6. 0.85
  7. 90
  8. 37.5
  9. 9/20
  10. 50
  11. 75
  12. 60
  13. 0.6
  14. 25
  15. 0.2
  16. 62.5
  17. 40
  18. 5
  19. 1/5
  20. 45
  21. 37.5
  22. 50
  23. 0.25
  24. 85
  25. 10
  26. 0.125
  27. 60
  28. 45
  29. 20
  30. 5/8
  31. 3/20
  32. 90
  33. 80
  34. 1/20
  35. 95
  36. 25
  37. 3/4
  38. 95
  39. 65
  40. 0.9

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