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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 237 · 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 80 = 28
  3. 3.36 is what percent of 80?
  4. 4.70 is what percent of 250?
  5. 5.?% of 20 = 7
  6. 6.156 is what percent of 400?
  7. 7.57 is what percent of 60?
  8. 8.What percent of 120 is 36?
  9. 9.450 is what percent of 500?
  10. 10.What percent of 120 is 72?
  11. 11.What percent of 500 is 450?
  12. 12.What percent of 150 is 24?
  13. 13.?% of 60 = 27
  14. 14.What percent of 200 is 38?
  15. 15.78 is what percent of 300?
  16. 16.7 is what percent of 20?
  17. 17.What percent of 50 is 21?
  18. 18.What percent of 500 is 130?
  19. 19.292 is what percent of 400?
  20. 20.What percent of 300 is 78?
  21. 21.15 is what percent of 20?
  22. 22.?% of 300 = 186
  23. 23.?% of 50 = 11
  24. 24.12 is what percent of 25?
  25. 25.24 is what percent of 120?
  26. 26.What percent of 20 is 10?
  27. 27.?% of 300 = 189
  28. 28.What percent of 120 is 42?
  29. 29.?% of 500 = 425
  30. 30.?% of 50 = 45
  31. 31.6 is what percent of 120?
  32. 32.?% of 120 = 96
  33. 33.?% of 250 = 30
  34. 34.What percent of 25 is 3?
  35. 35.30 is what percent of 120?
  36. 36.What percent of 20 is 2?
  37. 37.?% of 250 = 50
  38. 38.?% of 400 = 208
  39. 39.?% of 500 = 470
  40. 40.?% of 250 = 210

Answer key

  1. 46
  2. 35
  3. 45
  4. 28
  5. 35
  6. 39
  7. 95
  8. 30
  9. 90
  10. 60
  11. 90
  12. 16
  13. 45
  14. 19
  15. 26
  16. 35
  17. 42
  18. 26
  19. 73
  20. 26
  21. 75
  22. 62
  23. 22
  24. 48
  25. 20
  26. 50
  27. 63
  28. 35
  29. 85
  30. 90
  31. 5
  32. 80
  33. 12
  34. 12
  35. 25
  36. 10
  37. 20
  38. 52
  39. 94
  40. 84

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