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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 707 · 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. 1.45 is what percent of 150?
  2. 2.What percent of 500 is 430?
  3. 3.9 is what percent of 20?
  4. 4.What percent of 40 is 14?
  5. 5.What percent of 50 is 15?
  6. 6.What percent of 50 is 3?
  7. 7.72 is what percent of 120?
  8. 8.?% of 60 = 39
  9. 9.What percent of 200 is 144?
  10. 10.What percent of 20 is 12?
  11. 11.?% of 25 = 2
  12. 12.?% of 80 = 60
  13. 13.?% of 80 = 16
  14. 14.What percent of 500 is 280?
  15. 15.30 is what percent of 40?
  16. 16.What percent of 200 is 44?
  17. 17.12 is what percent of 25?
  18. 18.?% of 400 = 308
  19. 19.What percent of 250 is 15?
  20. 20.?% of 300 = 222
  21. 21.What percent of 300 is 252?
  22. 22.?% of 80 = 4
  23. 23.160 is what percent of 250?
  24. 24.57 is what percent of 60?
  25. 25.?% of 400 = 188
  26. 26.What percent of 20 is 9?
  27. 27.16 is what percent of 50?
  28. 28.What percent of 500 is 25?
  29. 29.?% of 20 = 13
  30. 30.?% of 120 = 54
  31. 31.102 is what percent of 120?
  32. 32.30 is what percent of 120?
  33. 33.What percent of 150 is 45?
  34. 34.?% of 300 = 246
  35. 35.455 is what percent of 500?
  36. 36.7 is what percent of 20?
  37. 37.What percent of 120 is 60?
  38. 38.?% of 250 = 180
  39. 39.?% of 20 = 16
  40. 40.8 is what percent of 80?

Answer key

  1. 30
  2. 86
  3. 45
  4. 35
  5. 30
  6. 6
  7. 60
  8. 65
  9. 72
  10. 60
  11. 8
  12. 75
  13. 20
  14. 56
  15. 75
  16. 22
  17. 48
  18. 77
  19. 6
  20. 74
  21. 84
  22. 5
  23. 64
  24. 95
  25. 47
  26. 45
  27. 32
  28. 5
  29. 65
  30. 45
  31. 85
  32. 25
  33. 30
  34. 82
  35. 91
  36. 35
  37. 50
  38. 72
  39. 80
  40. 10

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