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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 646 · 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. 1.10% as a decimal =
  2. 2.1/8 as a percent =
  3. 3.Which fraction is 0.6? (a) 3/5 (b) 2/5 (c) 17/20 (d) 1/5
  4. 4.87.5% as a decimal =
  5. 5.Which fraction is 45%? (a) 9/20 (b) 4/5 (c) 19/20 (d) 1/20
  6. 6.2/5 as a percent =
  7. 7.19/20 as a percent =
  8. 8.Which fraction is 87.5%? (a) 7/8 (b) 11/20 (c) 1/10 (d) 1/2
  9. 9.0.05 as a percent =
  10. 10.0.7 as a percent =
  11. 11.85% as a decimal =
  12. 12.15% as a decimal =
  13. 13.Which fraction is 0.15? (a) 5/8 (b) 3/10 (c) 9/20 (d) 3/20
  14. 14.0.2 as a percent =
  15. 15.Which fraction is 0.8? (a) 19/20 (b) 4/5 (c) 5/8 (d) 9/10
  16. 16.Which fraction is 0.5? (a) 1/2 (b) 1/4 (c) 3/5 (d) 3/8
  17. 17.0.375 as a percent =
  18. 18.Which fraction is 0.35? (a) 1/4 (b) 5/8 (c) 1/5 (d) 7/20
  19. 19.Which fraction is 0.5? (a) 17/20 (b) 1/10 (c) 3/8 (d) 1/2
  20. 20.55% as a decimal =
  21. 21.12.5% as a decimal =
  22. 22.1/4 as a percent =
  23. 23.65% as a decimal =
  24. 24.Which fraction is 5%? (a) 1/8 (b) 3/4 (c) 1/20 (d) 9/10
  25. 25.Which fraction is 45%? (a) 7/10 (b) 1/10 (c) 1/20 (d) 9/20
  26. 26.Which fraction is 45%? (a) 7/20 (b) 1/10 (c) 9/20 (d) 3/4
  27. 27.0.75 as a percent =
  28. 28.4/5 as a percent =
  29. 29.9/20 as a percent =
  30. 30.15% as a decimal =
  31. 31.0.125 as a percent =
  32. 32.1/5 as a percent =
  33. 33.1/5 as a percent =
  34. 34.40% as a decimal =
  35. 35.75% as a decimal =
  36. 36.90% as a decimal =
  37. 37.5% as a decimal =
  38. 38.Which fraction is 0.05? (a) 9/20 (b) 1/5 (c) 1/8 (d) 1/20
  39. 39.70% as a decimal =
  40. 40.1/4 as a percent =

Answer key

  1. 0.1
  2. 12.5
  3. 3/5
  4. 0.875
  5. 9/20
  6. 40
  7. 95
  8. 7/8
  9. 5
  10. 70
  11. 0.85
  12. 0.15
  13. 3/20
  14. 20
  15. 4/5
  16. 1/2
  17. 37.5
  18. 7/20
  19. 1/2
  20. 0.55
  21. 0.125
  22. 25
  23. 0.65
  24. 1/20
  25. 9/20
  26. 9/20
  27. 75
  28. 80
  29. 45
  30. 0.15
  31. 12.5
  32. 20
  33. 20
  34. 0.4
  35. 0.75
  36. 0.9
  37. 0.05
  38. 1/20
  39. 0.7
  40. 25

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