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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 100 · 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 150 = 33
  2. 2.What percent of 40 is 8?
  3. 3.What percent of 20 is 15?
  4. 4.63 is what percent of 150?
  5. 5.?% of 40 = 28
  6. 6.136 is what percent of 400?
  7. 7.What percent of 150 is 45?
  8. 8.What percent of 150 is 69?
  9. 9.?% of 500 = 70
  10. 10.What percent of 300 is 135?
  11. 11.?% of 20 = 3
  12. 12.?% of 60 = 45
  13. 13.What percent of 40 is 16?
  14. 14.?% of 50 = 28
  15. 15.92 is what percent of 200?
  16. 16.What percent of 60 is 45?
  17. 17.72 is what percent of 150?
  18. 18.?% of 400 = 296
  19. 19.What percent of 40 is 6?
  20. 20.?% of 40 = 26
  21. 21.What percent of 250 is 120?
  22. 22.265 is what percent of 500?
  23. 23.6 is what percent of 60?
  24. 24.What percent of 40 is 26?
  25. 25.?% of 50 = 10
  26. 26.What percent of 300 is 270?
  27. 27.What percent of 50 is 15?
  28. 28.?% of 80 = 12
  29. 29.What percent of 50 is 38?
  30. 30.?% of 200 = 26
  31. 31.What percent of 250 is 220?
  32. 32.What percent of 400 is 236?
  33. 33.What percent of 20 is 18?
  34. 34.?% of 250 = 210
  35. 35.What percent of 300 is 279?
  36. 36.9 is what percent of 60?
  37. 37.3 is what percent of 25?
  38. 38.?% of 50 = 22
  39. 39.75 is what percent of 250?
  40. 40.46 is what percent of 50?

Answer key

  1. 22
  2. 20
  3. 75
  4. 42
  5. 70
  6. 34
  7. 30
  8. 46
  9. 14
  10. 45
  11. 15
  12. 75
  13. 40
  14. 56
  15. 46
  16. 75
  17. 48
  18. 74
  19. 15
  20. 65
  21. 48
  22. 53
  23. 10
  24. 65
  25. 20
  26. 90
  27. 30
  28. 15
  29. 76
  30. 13
  31. 88
  32. 59
  33. 90
  34. 84
  35. 93
  36. 15
  37. 12
  38. 44
  39. 30
  40. 92

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