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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 109 · 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. 1.87.5% as a decimal =
  2. 2.Which fraction is 0.625? (a) 1/4 (b) 1/2 (c) 4/5 (d) 5/8
  3. 3.0.8 as a percent =
  4. 4.0.2 as a percent =
  5. 5.Which fraction is 10%? (a) 1/10 (b) 1/8 (c) 1/4 (d) 2/5
  6. 6.12.5% as a decimal =
  7. 7.45% as a decimal =
  8. 8.1/20 as a percent =
  9. 9.3/20 as a percent =
  10. 10.Which fraction is 85%? (a) 7/10 (b) 9/10 (c) 17/20 (d) 3/10
  11. 11.13/20 as a percent =
  12. 12.Which fraction is 0.35? (a) 3/4 (b) 2/5 (c) 7/20 (d) 1/2
  13. 13.Which fraction is 0.75? (a) 17/20 (b) 11/20 (c) 3/4 (d) 1/8
  14. 14.80% as a decimal =
  15. 15.Which fraction is 0.1? (a) 3/20 (b) 17/20 (c) 7/10 (d) 1/10
  16. 16.Which fraction is 55%? (a) 3/8 (b) 9/20 (c) 11/20 (d) 3/20
  17. 17.19/20 as a percent =
  18. 18.Which fraction is 15%? (a) 9/10 (b) 3/20 (c) 7/8 (d) 3/5
  19. 19.3/10 as a percent =
  20. 20.2/5 as a percent =
  21. 21.0.55 as a percent =
  22. 22.1/2 as a percent =
  23. 23.0.55 as a percent =
  24. 24.65% as a decimal =
  25. 25.19/20 as a percent =
  26. 26.55% as a decimal =
  27. 27.0.1 as a percent =
  28. 28.75% as a decimal =
  29. 29.0.15 as a percent =
  30. 30.87.5% as a decimal =
  31. 31.15% as a decimal =
  32. 32.1/5 as a percent =
  33. 33.Which fraction is 50%? (a) 1/5 (b) 13/20 (c) 1/2 (d) 3/4
  34. 34.25% as a decimal =
  35. 35.Which fraction is 5%? (a) 2/5 (b) 1/20 (c) 7/20 (d) 3/5
  36. 36.Which fraction is 0.4? (a) 11/20 (b) 2/5 (c) 3/5 (d) 4/5
  37. 37.0.2 as a percent =
  38. 38.0.4 as a percent =
  39. 39.37.5% as a decimal =
  40. 40.1/5 as a percent =

Answer key

  1. 0.875
  2. 5/8
  3. 80
  4. 20
  5. 1/10
  6. 0.125
  7. 0.45
  8. 5
  9. 15
  10. 17/20
  11. 65
  12. 7/20
  13. 3/4
  14. 0.8
  15. 1/10
  16. 11/20
  17. 95
  18. 3/20
  19. 30
  20. 40
  21. 55
  22. 50
  23. 55
  24. 0.65
  25. 95
  26. 0.55
  27. 10
  28. 0.75
  29. 15
  30. 0.875
  31. 0.15
  32. 20
  33. 1/2
  34. 0.25
  35. 1/20
  36. 2/5
  37. 20
  38. 40
  39. 0.375
  40. 20

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