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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 948 · 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. 1.25% as a decimal =
  2. 2.Which fraction is 0.1? (a) 19/20 (b) 3/5 (c) 1/8 (d) 1/10
  3. 3.Which fraction is 45%? (a) 1/20 (b) 9/20 (c) 3/8 (d) 1/2
  4. 4.35% as a decimal =
  5. 5.85% as a decimal =
  6. 6.2/5 as a percent =
  7. 7.25% as a decimal =
  8. 8.1/4 as a percent =
  9. 9.5% as a decimal =
  10. 10.50% as a decimal =
  11. 11.3/5 as a percent =
  12. 12.0.3 as a percent =
  13. 13.1/5 as a percent =
  14. 14.37.5% as a decimal =
  15. 15.9/20 as a percent =
  16. 16.7/10 as a percent =
  17. 17.0.625 as a percent =
  18. 18.55% as a decimal =
  19. 19.0.375 as a percent =
  20. 20.1/4 as a percent =
  21. 21.Which fraction is 62.5%? (a) 3/20 (b) 17/20 (c) 1/2 (d) 5/8
  22. 22.1/5 as a percent =
  23. 23.70% as a decimal =
  24. 24.1/20 as a percent =
  25. 25.80% as a decimal =
  26. 26.5/8 as a percent =
  27. 27.Which fraction is 55%? (a) 11/20 (b) 5/8 (c) 3/4 (d) 3/10
  28. 28.85% as a decimal =
  29. 29.3/4 as a percent =
  30. 30.12.5% as a decimal =
  31. 31.12.5% as a decimal =
  32. 32.10% as a decimal =
  33. 33.Which fraction is 40%? (a) 3/20 (b) 2/5 (c) 7/8 (d) 3/8
  34. 34.3/4 as a percent =
  35. 35.1/8 as a percent =
  36. 36.25% as a decimal =
  37. 37.4/5 as a percent =
  38. 38.Which fraction is 75%? (a) 7/8 (b) 3/4 (c) 3/8 (d) 17/20
  39. 39.1/10 as a percent =
  40. 40.30% as a decimal =

Answer key

  1. 0.25
  2. 1/10
  3. 9/20
  4. 0.35
  5. 0.85
  6. 40
  7. 0.25
  8. 25
  9. 0.05
  10. 0.5
  11. 60
  12. 30
  13. 20
  14. 0.375
  15. 45
  16. 70
  17. 62.5
  18. 0.55
  19. 37.5
  20. 25
  21. 5/8
  22. 20
  23. 0.7
  24. 5
  25. 0.8
  26. 62.5
  27. 11/20
  28. 0.85
  29. 75
  30. 0.125
  31. 0.125
  32. 0.1
  33. 2/5
  34. 75
  35. 12.5
  36. 0.25
  37. 80
  38. 3/4
  39. 10
  40. 0.3

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