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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 974 · 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. 1.102 is what percent of 200?
  2. 2.?% of 25 = 3
  3. 3.What percent of 60 is 36?
  4. 4.What percent of 40 is 14?
  5. 5.?% of 20 = 18
  6. 6.What percent of 80 is 48?
  7. 7.?% of 500 = 180
  8. 8.?% of 50 = 6
  9. 9.What percent of 120 is 54?
  10. 10.?% of 40 = 22
  11. 11.What percent of 500 is 395?
  12. 12.What percent of 400 is 44?
  13. 13.What percent of 40 is 2?
  14. 14.?% of 300 = 279
  15. 15.What percent of 20 is 19?
  16. 16.?% of 40 = 20
  17. 17.What percent of 500 is 440?
  18. 18.12 is what percent of 50?
  19. 19.?% of 400 = 56
  20. 20.33 is what percent of 50?
  21. 21.?% of 20 = 2
  22. 22.?% of 20 = 6
  23. 23.What percent of 400 is 316?
  24. 24.55 is what percent of 250?
  25. 25.What percent of 200 is 60?
  26. 26.87 is what percent of 300?
  27. 27.?% of 120 = 6
  28. 28.?% of 120 = 78
  29. 29.180 is what percent of 400?
  30. 30.8 is what percent of 20?
  31. 31.?% of 150 = 15
  32. 32.?% of 120 = 102
  33. 33.What percent of 80 is 40?
  34. 34.What percent of 150 is 30?
  35. 35.125 is what percent of 250?
  36. 36.?% of 40 = 28
  37. 37.?% of 250 = 160
  38. 38.?% of 120 = 30
  39. 39.14 is what percent of 20?
  40. 40.?% of 300 = 267

Answer key

  1. 51
  2. 12
  3. 60
  4. 35
  5. 90
  6. 60
  7. 36
  8. 12
  9. 45
  10. 55
  11. 79
  12. 11
  13. 5
  14. 93
  15. 95
  16. 50
  17. 88
  18. 24
  19. 14
  20. 66
  21. 10
  22. 30
  23. 79
  24. 22
  25. 30
  26. 29
  27. 5
  28. 65
  29. 45
  30. 40
  31. 10
  32. 85
  33. 50
  34. 20
  35. 50
  36. 70
  37. 64
  38. 25
  39. 70
  40. 89

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