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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 44 · 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 5?
  2. 2.What percent of 120 is 114?
  3. 3.?% of 40 = 38
  4. 4.What percent of 20 is 7?
  5. 5.What percent of 50 is 19?
  6. 6.What percent of 25 is 21?
  7. 7.78 is what percent of 120?
  8. 8.6 is what percent of 40?
  9. 9.What percent of 200 is 62?
  10. 10.?% of 40 = 28
  11. 11.?% of 40 = 16
  12. 12.What percent of 300 is 63?
  13. 13.115 is what percent of 500?
  14. 14.18 is what percent of 120?
  15. 15.?% of 300 = 126
  16. 16.?% of 40 = 36
  17. 17.What percent of 50 is 10?
  18. 18.?% of 500 = 155
  19. 19.What percent of 300 is 174?
  20. 20.?% of 120 = 36
  21. 21.?% of 60 = 12
  22. 22.175 is what percent of 250?
  23. 23.What percent of 300 is 156?
  24. 24.?% of 80 = 72
  25. 25.?% of 120 = 60
  26. 26.What percent of 150 is 33?
  27. 27.16 is what percent of 80?
  28. 28.?% of 300 = 285
  29. 29.What percent of 500 is 230?
  30. 30.14 is what percent of 50?
  31. 31.?% of 200 = 180
  32. 32.What percent of 40 is 6?
  33. 33.?% of 50 = 7
  34. 34.30 is what percent of 150?
  35. 35.?% of 25 = 12
  36. 36.11 is what percent of 50?
  37. 37.24 is what percent of 120?
  38. 38.30 is what percent of 500?
  39. 39.What percent of 200 is 188?
  40. 40.84 is what percent of 300?

Answer key

  1. 20
  2. 95
  3. 95
  4. 35
  5. 38
  6. 84
  7. 65
  8. 15
  9. 31
  10. 70
  11. 40
  12. 21
  13. 23
  14. 15
  15. 42
  16. 90
  17. 20
  18. 31
  19. 58
  20. 30
  21. 20
  22. 70
  23. 52
  24. 90
  25. 50
  26. 22
  27. 20
  28. 95
  29. 46
  30. 28
  31. 90
  32. 15
  33. 14
  34. 20
  35. 48
  36. 22
  37. 20
  38. 6
  39. 94
  40. 28

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