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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 267 · 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 20%? (a) 3/20 (b) 9/20 (c) 13/20 (d) 1/5
  2. 2.70% as a decimal =
  3. 3.3/10 as a percent =
  4. 4.0.25 as a percent =
  5. 5.Which fraction is 0.25? (a) 1/8 (b) 9/20 (c) 1/4 (d) 3/4
  6. 6.1/20 as a percent =
  7. 7.10% as a decimal =
  8. 8.0.25 as a percent =
  9. 9.0.9 as a percent =
  10. 10.7/8 as a percent =
  11. 11.70% as a decimal =
  12. 12.Which fraction is 0.125? (a) 3/20 (b) 7/8 (c) 1/10 (d) 1/8
  13. 13.0.375 as a percent =
  14. 14.75% as a decimal =
  15. 15.40% as a decimal =
  16. 16.Which fraction is 0.9? (a) 9/10 (b) 2/5 (c) 3/4 (d) 11/20
  17. 17.0.3 as a percent =
  18. 18.11/20 as a percent =
  19. 19.7/20 as a percent =
  20. 20.7/20 as a percent =
  21. 21.0.2 as a percent =
  22. 22.12.5% as a decimal =
  23. 23.30% as a decimal =
  24. 24.10% as a decimal =
  25. 25.35% as a decimal =
  26. 26.1/5 as a percent =
  27. 27.0.65 as a percent =
  28. 28.0.75 as a percent =
  29. 29.75% as a decimal =
  30. 30.2/5 as a percent =
  31. 31.40% as a decimal =
  32. 32.Which fraction is 85%? (a) 1/2 (b) 17/20 (c) 19/20 (d) 13/20
  33. 33.0.2 as a percent =
  34. 34.Which fraction is 0.4? (a) 19/20 (b) 3/8 (c) 2/5 (d) 4/5
  35. 35.70% as a decimal =
  36. 36.Which fraction is 0.6? (a) 5/8 (b) 9/10 (c) 1/4 (d) 3/5
  37. 37.0.35 as a percent =
  38. 38.9/20 as a percent =
  39. 39.19/20 as a percent =
  40. 40.0.75 as a percent =

Answer key

  1. 1/5
  2. 0.7
  3. 30
  4. 25
  5. 1/4
  6. 5
  7. 0.1
  8. 25
  9. 90
  10. 87.5
  11. 0.7
  12. 1/8
  13. 37.5
  14. 0.75
  15. 0.4
  16. 9/10
  17. 30
  18. 55
  19. 35
  20. 35
  21. 20
  22. 0.125
  23. 0.3
  24. 0.1
  25. 0.35
  26. 20
  27. 65
  28. 75
  29. 0.75
  30. 40
  31. 0.4
  32. 17/20
  33. 20
  34. 2/5
  35. 0.7
  36. 3/5
  37. 35
  38. 45
  39. 95
  40. 75

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