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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 386 · 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. 1.328 is what percent of 400?
  2. 2.8 is what percent of 50?
  3. 3.?% of 250 = 70
  4. 4.What percent of 25 is 8?
  5. 5.?% of 400 = 148
  6. 6.?% of 20 = 5
  7. 7.What percent of 150 is 51?
  8. 8.What percent of 25 is 20?
  9. 9.52 is what percent of 200?
  10. 10.85 is what percent of 250?
  11. 11.What percent of 150 is 93?
  12. 12.?% of 20 = 15
  13. 13.What percent of 20 is 2?
  14. 14.What percent of 250 is 200?
  15. 15.?% of 400 = 60
  16. 16.88 is what percent of 400?
  17. 17.What percent of 60 is 45?
  18. 18.?% of 40 = 6
  19. 19.What percent of 40 is 24?
  20. 20.What percent of 150 is 21?
  21. 21.What percent of 50 is 41?
  22. 22.114 is what percent of 120?
  23. 23.?% of 40 = 36
  24. 24.4 is what percent of 25?
  25. 25.290 is what percent of 500?
  26. 26.?% of 40 = 20
  27. 27.?% of 120 = 84
  28. 28.What percent of 80 is 12?
  29. 29.21 is what percent of 150?
  30. 30.?% of 25 = 3
  31. 31.18 is what percent of 120?
  32. 32.What percent of 80 is 24?
  33. 33.35 is what percent of 500?
  34. 34.What percent of 500 is 335?
  35. 35.What percent of 50 is 45?
  36. 36.?% of 300 = 120
  37. 37.?% of 150 = 129
  38. 38.55 is what percent of 250?
  39. 39.33 is what percent of 50?
  40. 40.30 is what percent of 120?

Answer key

  1. 82
  2. 16
  3. 28
  4. 32
  5. 37
  6. 25
  7. 34
  8. 80
  9. 26
  10. 34
  11. 62
  12. 75
  13. 10
  14. 80
  15. 15
  16. 22
  17. 75
  18. 15
  19. 60
  20. 14
  21. 82
  22. 95
  23. 90
  24. 16
  25. 58
  26. 50
  27. 70
  28. 15
  29. 14
  30. 12
  31. 15
  32. 30
  33. 7
  34. 67
  35. 90
  36. 40
  37. 86
  38. 22
  39. 66
  40. 25

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