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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 89 · 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. 1.184 is what percent of 400?
  2. 2.?% of 20 = 2
  3. 3.What percent of 40 is 30?
  4. 4.What percent of 80 is 36?
  5. 5.?% of 50 = 44
  6. 6.?% of 25 = 13
  7. 7.What percent of 80 is 72?
  8. 8.16 is what percent of 50?
  9. 9.?% of 25 = 21
  10. 10.What percent of 500 is 380?
  11. 11.40 is what percent of 80?
  12. 12.?% of 200 = 40
  13. 13.What percent of 20 is 18?
  14. 14.2 is what percent of 25?
  15. 15.What percent of 80 is 8?
  16. 16.9 is what percent of 25?
  17. 17.19 is what percent of 20?
  18. 18.What percent of 60 is 45?
  19. 19.What percent of 20 is 10?
  20. 20.What percent of 200 is 182?
  21. 21.What percent of 300 is 270?
  22. 22.32 is what percent of 50?
  23. 23.?% of 50 = 45
  24. 24.26 is what percent of 50?
  25. 25.What percent of 120 is 36?
  26. 26.?% of 300 = 24
  27. 27.148 is what percent of 400?
  28. 28.?% of 250 = 180
  29. 29.?% of 20 = 4
  30. 30.?% of 25 = 20
  31. 31.What percent of 50 is 25?
  32. 32.What percent of 300 is 51?
  33. 33.57 is what percent of 60?
  34. 34.What percent of 150 is 111?
  35. 35.12 is what percent of 150?
  36. 36.9 is what percent of 60?
  37. 37.What percent of 120 is 6?
  38. 38.5 is what percent of 25?
  39. 39.?% of 60 = 51
  40. 40.What percent of 400 is 20?

Answer key

  1. 46
  2. 10
  3. 75
  4. 45
  5. 88
  6. 52
  7. 90
  8. 32
  9. 84
  10. 76
  11. 50
  12. 20
  13. 90
  14. 8
  15. 10
  16. 36
  17. 95
  18. 75
  19. 50
  20. 91
  21. 90
  22. 64
  23. 90
  24. 52
  25. 30
  26. 8
  27. 37
  28. 72
  29. 20
  30. 80
  31. 50
  32. 17
  33. 95
  34. 74
  35. 8
  36. 15
  37. 5
  38. 20
  39. 85
  40. 5

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