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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 678 · 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. 1.6 is what percent of 20?
  2. 2.What percent of 200 is 140?
  3. 3.?% of 40 = 8
  4. 4.?% of 250 = 205
  5. 5.What percent of 120 is 24?
  6. 6.?% of 80 = 56
  7. 7.What percent of 20 is 15?
  8. 8.What percent of 250 is 40?
  9. 9.What percent of 300 is 174?
  10. 10.What percent of 500 is 330?
  11. 11.?% of 500 = 30
  12. 12.?% of 80 = 4
  13. 13.24 is what percent of 120?
  14. 14.33 is what percent of 60?
  15. 15.246 is what percent of 300?
  16. 16.What percent of 150 is 21?
  17. 17.?% of 40 = 28
  18. 18.What percent of 250 is 70?
  19. 19.What percent of 50 is 35?
  20. 20.What percent of 20 is 3?
  21. 21.What percent of 60 is 30?
  22. 22.8 is what percent of 80?
  23. 23.What percent of 80 is 56?
  24. 24.What percent of 25 is 8?
  25. 25.?% of 120 = 54
  26. 26.?% of 60 = 24
  27. 27.?% of 25 = 17
  28. 28.?% of 40 = 32
  29. 29.What percent of 400 is 72?
  30. 30.15 is what percent of 150?
  31. 31.17 is what percent of 20?
  32. 32.What percent of 200 is 146?
  33. 33.?% of 80 = 36
  34. 34.?% of 120 = 66
  35. 35.2 is what percent of 20?
  36. 36.60 is what percent of 400?
  37. 37.What percent of 20 is 18?
  38. 38.22 is what percent of 40?
  39. 39.?% of 80 = 40
  40. 40.26 is what percent of 40?

Answer key

  1. 30
  2. 70
  3. 20
  4. 82
  5. 20
  6. 70
  7. 75
  8. 16
  9. 58
  10. 66
  11. 6
  12. 5
  13. 20
  14. 55
  15. 82
  16. 14
  17. 70
  18. 28
  19. 70
  20. 15
  21. 50
  22. 10
  23. 70
  24. 32
  25. 45
  26. 40
  27. 68
  28. 80
  29. 18
  30. 10
  31. 85
  32. 73
  33. 45
  34. 55
  35. 10
  36. 15
  37. 90
  38. 55
  39. 50
  40. 65

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