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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 897 · 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 300 = 15
  2. 2.What percent of 20 is 17?
  3. 3.?% of 120 = 78
  4. 4.8 is what percent of 80?
  5. 5.9 is what percent of 25?
  6. 6.?% of 80 = 44
  7. 7.6 is what percent of 60?
  8. 8.24 is what percent of 60?
  9. 9.?% of 500 = 300
  10. 10.What percent of 400 is 272?
  11. 11.What percent of 60 is 48?
  12. 12.What percent of 200 is 18?
  13. 13.99 is what percent of 300?
  14. 14.What percent of 80 is 64?
  15. 15.85 is what percent of 250?
  16. 16.What percent of 120 is 72?
  17. 17.?% of 500 = 390
  18. 18.What percent of 25 is 16?
  19. 19.14 is what percent of 40?
  20. 20.?% of 300 = 129
  21. 21.?% of 150 = 132
  22. 22.?% of 400 = 300
  23. 23.?% of 500 = 415
  24. 24.What percent of 60 is 33?
  25. 25.?% of 20 = 4
  26. 26.63 is what percent of 300?
  27. 27.34 is what percent of 40?
  28. 28.18 is what percent of 20?
  29. 29.?% of 400 = 56
  30. 30.What percent of 40 is 28?
  31. 31.15 is what percent of 150?
  32. 32.What percent of 40 is 6?
  33. 33.66 is what percent of 120?
  34. 34.27 is what percent of 150?
  35. 35.40 is what percent of 200?
  36. 36.What percent of 300 is 141?
  37. 37.What percent of 500 is 295?
  38. 38.What percent of 20 is 3?
  39. 39.What percent of 120 is 18?
  40. 40.?% of 80 = 12

Answer key

  1. 5
  2. 85
  3. 65
  4. 10
  5. 36
  6. 55
  7. 10
  8. 40
  9. 60
  10. 68
  11. 80
  12. 9
  13. 33
  14. 80
  15. 34
  16. 60
  17. 78
  18. 64
  19. 35
  20. 43
  21. 88
  22. 75
  23. 83
  24. 55
  25. 20
  26. 21
  27. 85
  28. 90
  29. 14
  30. 70
  31. 10
  32. 15
  33. 55
  34. 18
  35. 20
  36. 47
  37. 59
  38. 15
  39. 15
  40. 15

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