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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 835 · 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. 1.45% as a decimal =
  2. 2.75% as a decimal =
  3. 3.Which fraction is 0.6? (a) 3/10 (b) 1/10 (c) 11/20 (d) 3/5
  4. 4.30% as a decimal =
  5. 5.Which fraction is 70%? (a) 7/10 (b) 1/4 (c) 3/10 (d) 13/20
  6. 6.12.5% as a decimal =
  7. 7.37.5% as a decimal =
  8. 8.1/4 as a percent =
  9. 9.0.45 as a percent =
  10. 10.0.7 as a percent =
  11. 11.Which fraction is 0.35? (a) 7/8 (b) 1/5 (c) 2/5 (d) 7/20
  12. 12.15% as a decimal =
  13. 13.Which fraction is 80%? (a) 4/5 (b) 1/20 (c) 17/20 (d) 3/4
  14. 14.Which fraction is 0.05? (a) 1/4 (b) 1/2 (c) 4/5 (d) 1/20
  15. 15.90% as a decimal =
  16. 16.0.45 as a percent =
  17. 17.40% as a decimal =
  18. 18.0.9 as a percent =
  19. 19.3/20 as a percent =
  20. 20.1/5 as a percent =
  21. 21.Which fraction is 0.8? (a) 9/20 (b) 1/5 (c) 19/20 (d) 4/5
  22. 22.7/8 as a percent =
  23. 23.87.5% as a decimal =
  24. 24.75% as a decimal =
  25. 25.0.875 as a percent =
  26. 26.3/5 as a percent =
  27. 27.13/20 as a percent =
  28. 28.0.5 as a percent =
  29. 29.Which fraction is 5%? (a) 5/8 (b) 3/4 (c) 4/5 (d) 1/20
  30. 30.17/20 as a percent =
  31. 31.17/20 as a percent =
  32. 32.10% as a decimal =
  33. 33.1/5 as a percent =
  34. 34.15% as a decimal =
  35. 35.65% as a decimal =
  36. 36.Which fraction is 0.125? (a) 1/8 (b) 3/20 (c) 3/10 (d) 3/4
  37. 37.9/10 as a percent =
  38. 38.12.5% as a decimal =
  39. 39.50% as a decimal =
  40. 40.3/5 as a percent =

Answer key

  1. 0.45
  2. 0.75
  3. 3/5
  4. 0.3
  5. 7/10
  6. 0.125
  7. 0.375
  8. 25
  9. 45
  10. 70
  11. 7/20
  12. 0.15
  13. 4/5
  14. 1/20
  15. 0.9
  16. 45
  17. 0.4
  18. 90
  19. 15
  20. 20
  21. 4/5
  22. 87.5
  23. 0.875
  24. 0.75
  25. 87.5
  26. 60
  27. 65
  28. 50
  29. 1/20
  30. 85
  31. 85
  32. 0.1
  33. 20
  34. 0.15
  35. 0.65
  36. 1/8
  37. 90
  38. 0.125
  39. 0.5
  40. 60

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