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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 37 · 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.What percent of 50 is 19?
  2. 2.What percent of 50 is 9?
  3. 3.345 is what percent of 500?
  4. 4.What percent of 20 is 10?
  5. 5.?% of 60 = 18
  6. 6.60 is what percent of 120?
  7. 7.?% of 20 = 11
  8. 8.?% of 400 = 200
  9. 9.What percent of 25 is 20?
  10. 10.14 is what percent of 20?
  11. 11.What percent of 300 is 87?
  12. 12.What percent of 25 is 10?
  13. 13.What percent of 150 is 45?
  14. 14.?% of 40 = 16
  15. 15.What percent of 80 is 32?
  16. 16.?% of 40 = 22
  17. 17.What percent of 400 is 108?
  18. 18.What percent of 120 is 18?
  19. 19.12 is what percent of 80?
  20. 20.What percent of 50 is 30?
  21. 21.?% of 120 = 12
  22. 22.What percent of 400 is 28?
  23. 23.285 is what percent of 500?
  24. 24.What percent of 150 is 117?
  25. 25.?% of 400 = 284
  26. 26.?% of 20 = 4
  27. 27.?% of 60 = 21
  28. 28.What percent of 50 is 46?
  29. 29.?% of 150 = 15
  30. 30.What percent of 80 is 68?
  31. 31.What percent of 25 is 2?
  32. 32.What percent of 400 is 264?
  33. 33.4 is what percent of 50?
  34. 34.?% of 150 = 27
  35. 35.?% of 25 = 15
  36. 36.76 is what percent of 80?
  37. 37.?% of 20 = 5
  38. 38.What percent of 60 is 6?
  39. 39.What percent of 40 is 6?
  40. 40.420 is what percent of 500?

Answer key

  1. 38
  2. 18
  3. 69
  4. 50
  5. 30
  6. 50
  7. 55
  8. 50
  9. 80
  10. 70
  11. 29
  12. 40
  13. 30
  14. 40
  15. 40
  16. 55
  17. 27
  18. 15
  19. 15
  20. 60
  21. 10
  22. 7
  23. 57
  24. 78
  25. 71
  26. 20
  27. 35
  28. 92
  29. 10
  30. 85
  31. 8
  32. 66
  33. 8
  34. 18
  35. 60
  36. 95
  37. 25
  38. 10
  39. 15
  40. 84

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