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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 480 · 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 20 is 8?
  2. 2.?% of 20 = 17
  3. 3.What percent of 60 is 12?
  4. 4.25 is what percent of 50?
  5. 5.?% of 40 = 6
  6. 6.?% of 250 = 150
  7. 7.14 is what percent of 20?
  8. 8.250 is what percent of 500?
  9. 9.?% of 300 = 201
  10. 10.78 is what percent of 200?
  11. 11.What percent of 20 is 9?
  12. 12.What percent of 150 is 105?
  13. 13.19 is what percent of 20?
  14. 14.?% of 40 = 18
  15. 15.What percent of 150 is 78?
  16. 16.What percent of 60 is 51?
  17. 17.What percent of 300 is 24?
  18. 18.285 is what percent of 500?
  19. 19.285 is what percent of 300?
  20. 20.?% of 40 = 24
  21. 21.?% of 250 = 25
  22. 22.What percent of 120 is 12?
  23. 23.What percent of 400 is 112?
  24. 24.What percent of 80 is 12?
  25. 25.?% of 400 = 356
  26. 26.?% of 250 = 130
  27. 27.400 is what percent of 500?
  28. 28.What percent of 80 is 72?
  29. 29.What percent of 80 is 24?
  30. 30.18 is what percent of 120?
  31. 31.95 is what percent of 250?
  32. 32.?% of 150 = 114
  33. 33.?% of 500 = 410
  34. 34.What percent of 20 is 15?
  35. 35.?% of 40 = 8
  36. 36.What percent of 500 is 50?
  37. 37.?% of 300 = 159
  38. 38.What percent of 400 is 288?
  39. 39.What percent of 80 is 32?
  40. 40.12 is what percent of 60?

Answer key

  1. 40
  2. 85
  3. 20
  4. 50
  5. 15
  6. 60
  7. 70
  8. 50
  9. 67
  10. 39
  11. 45
  12. 70
  13. 95
  14. 45
  15. 52
  16. 85
  17. 8
  18. 57
  19. 95
  20. 60
  21. 10
  22. 10
  23. 28
  24. 15
  25. 89
  26. 52
  27. 80
  28. 90
  29. 30
  30. 15
  31. 38
  32. 76
  33. 82
  34. 75
  35. 20
  36. 10
  37. 53
  38. 72
  39. 40
  40. 20

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