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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 381 · 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 250 = 20
  2. 2.?% of 120 = 108
  3. 3.What percent of 80 is 64?
  4. 4.28 is what percent of 50?
  5. 5.What percent of 20 is 6?
  6. 6.?% of 500 = 50
  7. 7.?% of 60 = 24
  8. 8.?% of 300 = 75
  9. 9.?% of 40 = 28
  10. 10.What percent of 60 is 15?
  11. 11.?% of 120 = 96
  12. 12.215 is what percent of 500?
  13. 13.?% of 400 = 312
  14. 14.What percent of 400 is 224?
  15. 15.42 is what percent of 120?
  16. 16.?% of 40 = 12
  17. 17.What percent of 200 is 42?
  18. 18.What percent of 40 is 30?
  19. 19.What percent of 500 is 345?
  20. 20.28 is what percent of 400?
  21. 21.What percent of 20 is 11?
  22. 22.What percent of 150 is 60?
  23. 23.13 is what percent of 20?
  24. 24.50 is what percent of 200?
  25. 25.50 is what percent of 250?
  26. 26.What percent of 120 is 24?
  27. 27.38 is what percent of 50?
  28. 28.What percent of 120 is 12?
  29. 29.What percent of 60 is 12?
  30. 30.175 is what percent of 250?
  31. 31.What percent of 250 is 50?
  32. 32.184 is what percent of 400?
  33. 33.What percent of 50 is 23?
  34. 34.?% of 150 = 135
  35. 35.What percent of 50 is 11?
  36. 36.?% of 500 = 225
  37. 37.?% of 20 = 4
  38. 38.What percent of 250 is 25?
  39. 39.?% of 250 = 70
  40. 40.What percent of 20 is 5?

Answer key

  1. 8
  2. 90
  3. 80
  4. 56
  5. 30
  6. 10
  7. 40
  8. 25
  9. 70
  10. 25
  11. 80
  12. 43
  13. 78
  14. 56
  15. 35
  16. 30
  17. 21
  18. 75
  19. 69
  20. 7
  21. 55
  22. 40
  23. 65
  24. 25
  25. 20
  26. 20
  27. 76
  28. 10
  29. 20
  30. 70
  31. 20
  32. 46
  33. 46
  34. 90
  35. 22
  36. 45
  37. 20
  38. 10
  39. 28
  40. 25

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