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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 661 · 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. 1.10% of 80 =
  2. 2.25% of 356 =
  3. 3.25% of 164 =
  4. 4.20% of 455 =
  5. 5.1% of 1200 =
  6. 6.20% of 270 =
  7. 7.75% of 164 =
  8. 8.5% of 360 =
  9. 9.50% of 336 =
  10. 10.75% of 88 =
  11. 11.75% of 68 =
  12. 12.50% of 306 =
  13. 13.5% of 420 =
  14. 14.10% of 780 =
  15. 15.50% of 464 =
  16. 16.1% of 2700 =
  17. 17.10% of 600 =
  18. 18.1% of 2900 =
  19. 19.10% of 90 =
  20. 20.75% of 120 =
  21. 21.1% of 1300 =
  22. 22.25% of 76 =
  23. 23.75% of 132 =
  24. 24.1% of 200 =
  25. 25.25% of 28 =
  26. 26.20% of 485 =
  27. 27.25% of 252 =
  28. 28.10% of 100 =
  29. 29.20% of 180 =
  30. 30.25% of 368 =
  31. 31.5% of 180 =
  32. 32.1% of 3000 =
  33. 33.10% of 40 =
  34. 34.20% of 60 =
  35. 35.5% of 20 =
  36. 36.10% of 70 =
  37. 37.50% of 400 =
  38. 38.20% of 255 =
  39. 39.20% of 315 =
  40. 40.1% of 300 =

Answer key

  1. 8
  2. 89
  3. 41
  4. 91
  5. 12
  6. 54
  7. 123
  8. 18
  9. 168
  10. 66
  11. 51
  12. 153
  13. 21
  14. 78
  15. 232
  16. 27
  17. 60
  18. 29
  19. 9
  20. 90
  21. 13
  22. 19
  23. 99
  24. 2
  25. 7
  26. 97
  27. 63
  28. 10
  29. 36
  30. 92
  31. 9
  32. 30
  33. 4
  34. 12
  35. 1
  36. 7
  37. 200
  38. 51
  39. 63
  40. 3

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