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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 867 · 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.What percent of 25 is 3?
  2. 2.?% of 500 = 365
  3. 3.What percent of 150 is 27?
  4. 4.What percent of 200 is 146?
  5. 5.213 is what percent of 300?
  6. 6.?% of 20 = 10
  7. 7.?% of 20 = 2
  8. 8.What percent of 50 is 21?
  9. 9.What percent of 20 is 19?
  10. 10.?% of 40 = 10
  11. 11.What percent of 120 is 60?
  12. 12.What percent of 120 is 114?
  13. 13.What percent of 40 is 30?
  14. 14.?% of 60 = 18
  15. 15.72 is what percent of 400?
  16. 16.?% of 50 = 34
  17. 17.What percent of 25 is 15?
  18. 18.72 is what percent of 300?
  19. 19.?% of 20 = 1
  20. 20.What percent of 500 is 445?
  21. 21.?% of 25 = 17
  22. 22.What percent of 400 is 184?
  23. 23.What percent of 250 is 135?
  24. 24.What percent of 120 is 102?
  25. 25.?% of 200 = 122
  26. 26.What percent of 120 is 30?
  27. 27.30 is what percent of 50?
  28. 28.What percent of 300 is 138?
  29. 29.What percent of 400 is 168?
  30. 30.What percent of 20 is 17?
  31. 31.What percent of 150 is 30?
  32. 32.2 is what percent of 40?
  33. 33.What percent of 300 is 27?
  34. 34.What percent of 50 is 3?
  35. 35.36 is what percent of 150?
  36. 36.What percent of 40 is 32?
  37. 37.What percent of 60 is 6?
  38. 38.232 is what percent of 400?
  39. 39.?% of 50 = 17
  40. 40.8 is what percent of 80?

Answer key

  1. 12
  2. 73
  3. 18
  4. 73
  5. 71
  6. 50
  7. 10
  8. 42
  9. 95
  10. 25
  11. 50
  12. 95
  13. 75
  14. 30
  15. 18
  16. 68
  17. 60
  18. 24
  19. 5
  20. 89
  21. 68
  22. 46
  23. 54
  24. 85
  25. 61
  26. 25
  27. 60
  28. 46
  29. 42
  30. 85
  31. 20
  32. 5
  33. 9
  34. 6
  35. 24
  36. 80
  37. 10
  38. 58
  39. 34
  40. 10

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