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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 482 · 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. 1.70% as a decimal =
  2. 2.Which fraction is 0.8? (a) 4/5 (b) 19/20 (c) 5/8 (d) 7/8
  3. 3.87.5% as a decimal =
  4. 4.95% as a decimal =
  5. 5.Which fraction is 0.5? (a) 13/20 (b) 1/2 (c) 1/4 (d) 1/5
  6. 6.Which fraction is 0.1? (a) 1/20 (b) 1/5 (c) 1/10 (d) 7/8
  7. 7.0.5 as a percent =
  8. 8.3/5 as a percent =
  9. 9.1/5 as a percent =
  10. 10.Which fraction is 0.4? (a) 1/10 (b) 1/5 (c) 9/10 (d) 2/5
  11. 11.Which fraction is 95%? (a) 11/20 (b) 19/20 (c) 1/20 (d) 7/8
  12. 12.9/10 as a percent =
  13. 13.0.375 as a percent =
  14. 14.12.5% as a decimal =
  15. 15.13/20 as a percent =
  16. 16.0.3 as a percent =
  17. 17.5% as a decimal =
  18. 18.62.5% as a decimal =
  19. 19.85% as a decimal =
  20. 20.25% as a decimal =
  21. 21.0.85 as a percent =
  22. 22.3/5 as a percent =
  23. 23.55% as a decimal =
  24. 24.90% as a decimal =
  25. 25.30% as a decimal =
  26. 26.3/10 as a percent =
  27. 27.9/20 as a percent =
  28. 28.30% as a decimal =
  29. 29.Which fraction is 12.5%? (a) 4/5 (b) 1/8 (c) 3/8 (d) 13/20
  30. 30.0.6 as a percent =
  31. 31.0.7 as a percent =
  32. 32.75% as a decimal =
  33. 33.4/5 as a percent =
  34. 34.0.25 as a percent =
  35. 35.Which fraction is 0.45? (a) 1/4 (b) 3/8 (c) 9/20 (d) 17/20
  36. 36.Which fraction is 10%? (a) 2/5 (b) 1/10 (c) 1/2 (d) 1/5
  37. 37.0.2 as a percent =
  38. 38.3/5 as a percent =
  39. 39.Which fraction is 0.35? (a) 7/20 (b) 1/4 (c) 3/8 (d) 2/5
  40. 40.0.4 as a percent =

Answer key

  1. 0.7
  2. 4/5
  3. 0.875
  4. 0.95
  5. 1/2
  6. 1/10
  7. 50
  8. 60
  9. 20
  10. 2/5
  11. 19/20
  12. 90
  13. 37.5
  14. 0.125
  15. 65
  16. 30
  17. 0.05
  18. 0.625
  19. 0.85
  20. 0.25
  21. 85
  22. 60
  23. 0.55
  24. 0.9
  25. 0.3
  26. 30
  27. 45
  28. 0.3
  29. 1/8
  30. 60
  31. 70
  32. 0.75
  33. 80
  34. 25
  35. 9/20
  36. 1/10
  37. 20
  38. 60
  39. 7/20
  40. 40

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