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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 19 · 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. 1.0.3 as a percent =
  2. 2.0.6 as a percent =
  3. 3.0.35 as a percent =
  4. 4.0.55 as a percent =
  5. 5.1/5 as a percent =
  6. 6.Which fraction is 75%? (a) 3/4 (b) 3/20 (c) 2/5 (d) 3/8
  7. 7.30% as a decimal =
  8. 8.Which fraction is 0.6? (a) 3/4 (b) 3/5 (c) 19/20 (d) 1/2
  9. 9.0.15 as a percent =
  10. 10.12.5% as a decimal =
  11. 11.9/10 as a percent =
  12. 12.12.5% as a decimal =
  13. 13.7/8 as a percent =
  14. 14.35% as a decimal =
  15. 15.1/5 as a percent =
  16. 16.90% as a decimal =
  17. 17.0.25 as a percent =
  18. 18.0.05 as a percent =
  19. 19.45% as a decimal =
  20. 20.11/20 as a percent =
  21. 21.7/10 as a percent =
  22. 22.Which fraction is 45%? (a) 9/20 (b) 13/20 (c) 7/10 (d) 9/10
  23. 23.0.6 as a percent =
  24. 24.50% as a decimal =
  25. 25.Which fraction is 45%? (a) 7/20 (b) 5/8 (c) 3/5 (d) 9/20
  26. 26.0.25 as a percent =
  27. 27.0.375 as a percent =
  28. 28.60% as a decimal =
  29. 29.0.25 as a percent =
  30. 30.Which fraction is 0.25? (a) 4/5 (b) 3/20 (c) 1/4 (d) 3/4
  31. 31.0.2 as a percent =
  32. 32.Which fraction is 90%? (a) 1/5 (b) 19/20 (c) 9/10 (d) 1/20
  33. 33.3/10 as a percent =
  34. 34.7/20 as a percent =
  35. 35.Which fraction is 0.8? (a) 7/10 (b) 1/20 (c) 4/5 (d) 1/5
  36. 36.1/10 as a percent =
  37. 37.15% as a decimal =
  38. 38.0.5 as a percent =
  39. 39.30% as a decimal =
  40. 40.1/2 as a percent =

Answer key

  1. 30
  2. 60
  3. 35
  4. 55
  5. 20
  6. 3/4
  7. 0.3
  8. 3/5
  9. 15
  10. 0.125
  11. 90
  12. 0.125
  13. 87.5
  14. 0.35
  15. 20
  16. 0.9
  17. 25
  18. 5
  19. 0.45
  20. 55
  21. 70
  22. 9/20
  23. 60
  24. 0.5
  25. 9/20
  26. 25
  27. 37.5
  28. 0.6
  29. 25
  30. 1/4
  31. 20
  32. 9/10
  33. 30
  34. 35
  35. 4/5
  36. 10
  37. 0.15
  38. 50
  39. 0.3
  40. 50

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