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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 111 · 40 questions
TalentJR

How to work it out (Part over whole): Find the whole (the number after “of”) and the part. Percent = part ÷ whole × 100. Multiply the part by 100 first, then divide by the whole: 18 × 100 = 1800, and 1800 ÷ 72 = 25, so 25%.

NameDateTime takenScore ___ / 40
  1. 1.18 is what percent of 60?
  2. 2.?% of 80 = 72
  3. 3.?% of 120 = 78
  4. 4.What percent of 20 is 19?
  5. 5.What percent of 200 is 100?
  6. 6.108 is what percent of 150?
  7. 7.?% of 250 = 145
  8. 8.What percent of 400 is 276?
  9. 9.What percent of 300 is 186?
  10. 10.What percent of 400 is 20?
  11. 11.6 is what percent of 60?
  12. 12.What percent of 50 is 38?
  13. 13.What percent of 250 is 190?
  14. 14.100 is what percent of 400?
  15. 15.?% of 50 = 28
  16. 16.?% of 80 = 8
  17. 17.What percent of 40 is 10?
  18. 18.What percent of 300 is 69?
  19. 19.16 is what percent of 80?
  20. 20.16 is what percent of 40?
  21. 21.?% of 300 = 213
  22. 22.5 is what percent of 50?
  23. 23.14 is what percent of 20?
  24. 24.What percent of 60 is 36?
  25. 25.What percent of 500 is 350?
  26. 26.?% of 500 = 85
  27. 27.What percent of 500 is 40?
  28. 28.46 is what percent of 50?
  29. 29.What percent of 60 is 21?
  30. 30.124 is what percent of 400?
  31. 31.4 is what percent of 25?
  32. 32.360 is what percent of 400?
  33. 33.What percent of 150 is 87?
  34. 34.24 is what percent of 80?
  35. 35.?% of 25 = 16
  36. 36.?% of 150 = 63
  37. 37.4 is what percent of 80?
  38. 38.3 is what percent of 50?
  39. 39.What percent of 50 is 45?
  40. 40.What percent of 500 is 455?

Answer key

  1. 30
  2. 90
  3. 65
  4. 95
  5. 50
  6. 72
  7. 58
  8. 69
  9. 62
  10. 5
  11. 10
  12. 76
  13. 76
  14. 25
  15. 56
  16. 10
  17. 25
  18. 23
  19. 20
  20. 40
  21. 71
  22. 10
  23. 70
  24. 60
  25. 70
  26. 17
  27. 8
  28. 92
  29. 35
  30. 31
  31. 16
  32. 90
  33. 58
  34. 30
  35. 64
  36. 42
  37. 5
  38. 6
  39. 90
  40. 91

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