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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 570 · 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.?% of 50 = 33
  2. 2.What percent of 25 is 2?
  3. 3.What percent of 20 is 8?
  4. 4.?% of 20 = 19
  5. 5.What percent of 50 is 44?
  6. 6.?% of 400 = 80
  7. 7.What percent of 20 is 11?
  8. 8.220 is what percent of 250?
  9. 9.What percent of 200 is 74?
  10. 10.?% of 40 = 34
  11. 11.12 is what percent of 60?
  12. 12.What percent of 500 is 465?
  13. 13.What percent of 50 is 39?
  14. 14.?% of 25 = 16
  15. 15.65 is what percent of 500?
  16. 16.?% of 120 = 78
  17. 17.8 is what percent of 40?
  18. 18.75 is what percent of 150?
  19. 19.?% of 50 = 16
  20. 20.What percent of 300 is 51?
  21. 21.What percent of 300 is 102?
  22. 22.?% of 150 = 9
  23. 23.?% of 500 = 325
  24. 24.What percent of 250 is 55?
  25. 25.25 is what percent of 50?
  26. 26.What percent of 500 is 145?
  27. 27.120 is what percent of 300?
  28. 28.?% of 150 = 57
  29. 29.?% of 25 = 14
  30. 30.?% of 40 = 6
  31. 31.6 is what percent of 120?
  32. 32.What percent of 80 is 72?
  33. 33.What percent of 200 is 142?
  34. 34.?% of 50 = 26
  35. 35.What percent of 50 is 12?
  36. 36.What percent of 400 is 172?
  37. 37.What percent of 80 is 4?
  38. 38.32 is what percent of 80?
  39. 39.?% of 20 = 5
  40. 40.?% of 60 = 6

Answer key

  1. 66
  2. 8
  3. 40
  4. 95
  5. 88
  6. 20
  7. 55
  8. 88
  9. 37
  10. 85
  11. 20
  12. 93
  13. 78
  14. 64
  15. 13
  16. 65
  17. 20
  18. 50
  19. 32
  20. 17
  21. 34
  22. 6
  23. 65
  24. 22
  25. 50
  26. 29
  27. 40
  28. 38
  29. 56
  30. 15
  31. 5
  32. 90
  33. 71
  34. 52
  35. 24
  36. 43
  37. 5
  38. 40
  39. 25
  40. 10

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