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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 550 · 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 = 22
  2. 2.36 is what percent of 80?
  3. 3.?% of 40 = 14
  4. 4.72 is what percent of 80?
  5. 5.What percent of 40 is 24?
  6. 6.What percent of 25 is 23?
  7. 7.?% of 50 = 5
  8. 8.129 is what percent of 150?
  9. 9.?% of 40 = 12
  10. 10.What percent of 80 is 40?
  11. 11.?% of 500 = 145
  12. 12.What percent of 400 is 124?
  13. 13.What percent of 50 is 32?
  14. 14.What percent of 25 is 21?
  15. 15.What percent of 50 is 37?
  16. 16.33 is what percent of 50?
  17. 17.What percent of 120 is 78?
  18. 18.?% of 80 = 36
  19. 19.?% of 60 = 27
  20. 20.8 is what percent of 50?
  21. 21.What percent of 200 is 114?
  22. 22.5 is what percent of 25?
  23. 23.?% of 50 = 10
  24. 24.325 is what percent of 500?
  25. 25.What percent of 40 is 4?
  26. 26.?% of 60 = 51
  27. 27.What percent of 500 is 80?
  28. 28.30 is what percent of 40?
  29. 29.116 is what percent of 400?
  30. 30.356 is what percent of 400?
  31. 31.26 is what percent of 50?
  32. 32.What percent of 40 is 34?
  33. 33.What percent of 25 is 6?
  34. 34.?% of 25 = 18
  35. 35.What percent of 25 is 20?
  36. 36.5 is what percent of 20?
  37. 37.176 is what percent of 200?
  38. 38.What percent of 150 is 135?
  39. 39.?% of 20 = 14
  40. 40.What percent of 150 is 36?

Answer key

  1. 88
  2. 45
  3. 35
  4. 90
  5. 60
  6. 92
  7. 10
  8. 86
  9. 30
  10. 50
  11. 29
  12. 31
  13. 64
  14. 84
  15. 74
  16. 66
  17. 65
  18. 45
  19. 45
  20. 16
  21. 57
  22. 20
  23. 20
  24. 65
  25. 10
  26. 85
  27. 16
  28. 75
  29. 29
  30. 89
  31. 52
  32. 85
  33. 24
  34. 72
  35. 80
  36. 25
  37. 88
  38. 90
  39. 70
  40. 24

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