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Percentage Shortcuts Worksheet – 10%, 25%, 50%

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 819 · 40 questions
TalentJR

How to work it out (Halves and tenths): 10%: divide by 10. 1%: divide by 100. 50%: halve. 25%: halve, then halve again. 75% = 50% + 25%. 5%: half of 10%. 20%: double 10%.

NameDateTime takenScore ___ / 40
  1. 1.75% of 240 =
  2. 2.1% of 2800 =
  3. 3.20% of 240 =
  4. 4.1% of 700 =
  5. 5.1% of 2100 =
  6. 6.20% of 60 =
  7. 7.20% of 430 =
  8. 8.25% of 384 =
  9. 9.25% of 84 =
  10. 10.10% of 780 =
  11. 11.50% of 74 =
  12. 12.20% of 495 =
  13. 13.10% of 610 =
  14. 14.50% of 174 =
  15. 15.1% of 300 =
  16. 16.10% of 150 =
  17. 17.75% of 64 =
  18. 18.75% of 216 =
  19. 19.20% of 180 =
  20. 20.25% of 372 =
  21. 21.1% of 1200 =
  22. 22.5% of 20 =
  23. 23.1% of 1500 =
  24. 24.50% of 300 =
  25. 25.5% of 740 =
  26. 26.50% of 496 =
  27. 27.25% of 328 =
  28. 28.5% of 460 =
  29. 29.50% of 340 =
  30. 30.50% of 50 =
  31. 31.10% of 360 =
  32. 32.50% of 86 =
  33. 33.20% of 30 =
  34. 34.25% of 96 =
  35. 35.20% of 445 =
  36. 36.50% of 366 =
  37. 37.20% of 485 =
  38. 38.10% of 90 =
  39. 39.20% of 65 =
  40. 40.75% of 132 =

Answer key

  1. 180
  2. 28
  3. 48
  4. 7
  5. 21
  6. 12
  7. 86
  8. 96
  9. 21
  10. 78
  11. 37
  12. 99
  13. 61
  14. 87
  15. 3
  16. 15
  17. 48
  18. 162
  19. 36
  20. 93
  21. 12
  22. 1
  23. 15
  24. 150
  25. 37
  26. 248
  27. 82
  28. 23
  29. 170
  30. 25
  31. 36
  32. 43
  33. 6
  34. 24
  35. 89
  36. 183
  37. 97
  38. 9
  39. 13
  40. 99

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