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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 266 · 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.?% of 25 = 14
  2. 2.8 is what percent of 40?
  3. 3.What percent of 50 is 4?
  4. 4.?% of 25 = 13
  5. 5.105 is what percent of 250?
  6. 6.?% of 250 = 70
  7. 7.?% of 40 = 20
  8. 8.57 is what percent of 60?
  9. 9.?% of 400 = 308
  10. 10.What percent of 150 is 54?
  11. 11.?% of 60 = 45
  12. 12.344 is what percent of 400?
  13. 13.78 is what percent of 120?
  14. 14.108 is what percent of 120?
  15. 15.?% of 400 = 124
  16. 16.204 is what percent of 300?
  17. 17.?% of 25 = 20
  18. 18.18 is what percent of 50?
  19. 19.15 is what percent of 20?
  20. 20.?% of 25 = 2
  21. 21.What percent of 60 is 21?
  22. 22.What percent of 25 is 20?
  23. 23.What percent of 25 is 2?
  24. 24.?% of 500 = 90
  25. 25.What percent of 20 is 15?
  26. 26.?% of 40 = 38
  27. 27.?% of 20 = 13
  28. 28.102 is what percent of 200?
  29. 29.195 is what percent of 500?
  30. 30.?% of 50 = 35
  31. 31.What percent of 80 is 16?
  32. 32.What percent of 200 is 28?
  33. 33.What percent of 400 is 100?
  34. 34.What percent of 20 is 6?
  35. 35.What percent of 80 is 20?
  36. 36.4 is what percent of 80?
  37. 37.4 is what percent of 25?
  38. 38.30 is what percent of 150?
  39. 39.What percent of 250 is 85?
  40. 40.?% of 300 = 30

Answer key

  1. 56
  2. 20
  3. 8
  4. 52
  5. 42
  6. 28
  7. 50
  8. 95
  9. 77
  10. 36
  11. 75
  12. 86
  13. 65
  14. 90
  15. 31
  16. 68
  17. 80
  18. 36
  19. 75
  20. 8
  21. 35
  22. 80
  23. 8
  24. 18
  25. 75
  26. 95
  27. 65
  28. 51
  29. 39
  30. 70
  31. 20
  32. 14
  33. 25
  34. 30
  35. 25
  36. 5
  37. 16
  38. 20
  39. 34
  40. 10

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