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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 309 · 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.Which fraction is 0.45? (a) 17/20 (b) 3/20 (c) 3/4 (d) 9/20
  2. 2.19/20 as a percent =
  3. 3.0.65 as a percent =
  4. 4.12.5% as a decimal =
  5. 5.9/10 as a percent =
  6. 6.60% as a decimal =
  7. 7.0.125 as a percent =
  8. 8.0.8 as a percent =
  9. 9.0.2 as a percent =
  10. 10.3/10 as a percent =
  11. 11.Which fraction is 0.25? (a) 9/10 (b) 19/20 (c) 7/8 (d) 1/4
  12. 12.Which fraction is 0.625? (a) 9/20 (b) 1/10 (c) 1/4 (d) 5/8
  13. 13.0.6 as a percent =
  14. 14.37.5% as a decimal =
  15. 15.2/5 as a percent =
  16. 16.Which fraction is 0.45? (a) 13/20 (b) 3/20 (c) 3/10 (d) 9/20
  17. 17.85% as a decimal =
  18. 18.50% as a decimal =
  19. 19.65% as a decimal =
  20. 20.0.625 as a percent =
  21. 21.0.85 as a percent =
  22. 22.95% as a decimal =
  23. 23.Which fraction is 0.6? (a) 1/8 (b) 4/5 (c) 3/5 (d) 3/4
  24. 24.50% as a decimal =
  25. 25.0.125 as a percent =
  26. 26.1/2 as a percent =
  27. 27.0.45 as a percent =
  28. 28.45% as a decimal =
  29. 29.12.5% as a decimal =
  30. 30.3/10 as a percent =
  31. 31.0.5 as a percent =
  32. 32.0.8 as a percent =
  33. 33.75% as a decimal =
  34. 34.0.55 as a percent =
  35. 35.80% as a decimal =
  36. 36.1/5 as a percent =
  37. 37.90% as a decimal =
  38. 38.Which fraction is 10%? (a) 19/20 (b) 1/10 (c) 9/20 (d) 3/5
  39. 39.Which fraction is 0.2? (a) 3/20 (b) 2/5 (c) 11/20 (d) 1/5
  40. 40.3/4 as a percent =

Answer key

  1. 9/20
  2. 95
  3. 65
  4. 0.125
  5. 90
  6. 0.6
  7. 12.5
  8. 80
  9. 20
  10. 30
  11. 1/4
  12. 5/8
  13. 60
  14. 0.375
  15. 40
  16. 9/20
  17. 0.85
  18. 0.5
  19. 0.65
  20. 62.5
  21. 85
  22. 0.95
  23. 3/5
  24. 0.5
  25. 12.5
  26. 50
  27. 45
  28. 0.45
  29. 0.125
  30. 30
  31. 50
  32. 80
  33. 0.75
  34. 55
  35. 0.8
  36. 20
  37. 0.9
  38. 1/10
  39. 1/5
  40. 75

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