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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 779 · 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. 1.105 is what percent of 500?
  2. 2.?% of 500 = 60
  3. 3.64 is what percent of 200?
  4. 4.What percent of 400 is 288?
  5. 5.What percent of 250 is 90?
  6. 6.What percent of 150 is 42?
  7. 7.24 is what percent of 400?
  8. 8.20 is what percent of 80?
  9. 9.What percent of 120 is 90?
  10. 10.155 is what percent of 250?
  11. 11.What percent of 400 is 372?
  12. 12.What percent of 50 is 12?
  13. 13.8 is what percent of 80?
  14. 14.18 is what percent of 120?
  15. 15.What percent of 25 is 8?
  16. 16.?% of 250 = 190
  17. 17.?% of 400 = 320
  18. 18.?% of 200 = 162
  19. 19.What percent of 25 is 6?
  20. 20.What percent of 60 is 27?
  21. 21.?% of 200 = 88
  22. 22.?% of 80 = 4
  23. 23.?% of 200 = 180
  24. 24.8 is what percent of 50?
  25. 25.116 is what percent of 200?
  26. 26.16 is what percent of 40?
  27. 27.?% of 400 = 324
  28. 28.What percent of 400 is 104?
  29. 29.68 is what percent of 80?
  30. 30.What percent of 200 is 174?
  31. 31.21 is what percent of 300?
  32. 32.170 is what percent of 200?
  33. 33.?% of 50 = 39
  34. 34.What percent of 300 is 186?
  35. 35.?% of 50 = 11
  36. 36.225 is what percent of 250?
  37. 37.?% of 300 = 234
  38. 38.What percent of 200 is 44?
  39. 39.17 is what percent of 20?
  40. 40.?% of 25 = 5

Answer key

  1. 21
  2. 12
  3. 32
  4. 72
  5. 36
  6. 28
  7. 6
  8. 25
  9. 75
  10. 62
  11. 93
  12. 24
  13. 10
  14. 15
  15. 32
  16. 76
  17. 80
  18. 81
  19. 24
  20. 45
  21. 44
  22. 5
  23. 90
  24. 16
  25. 58
  26. 40
  27. 81
  28. 26
  29. 85
  30. 87
  31. 7
  32. 85
  33. 78
  34. 62
  35. 22
  36. 90
  37. 78
  38. 22
  39. 85
  40. 20

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