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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 265 · 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 190 =
  2. 2.20% of 430 =
  3. 3.50% of 62 =
  4. 4.20% of 385 =
  5. 5.5% of 660 =
  6. 6.50% of 166 =
  7. 7.1% of 2500 =
  8. 8.1% of 1300 =
  9. 9.25% of 328 =
  10. 10.25% of 340 =
  11. 11.50% of 66 =
  12. 12.10% of 780 =
  13. 13.10% of 350 =
  14. 14.50% of 276 =
  15. 15.5% of 40 =
  16. 16.1% of 1900 =
  17. 17.10% of 440 =
  18. 18.25% of 172 =
  19. 19.1% of 400 =
  20. 20.5% of 800 =
  21. 21.50% of 432 =
  22. 22.25% of 200 =
  23. 23.10% of 500 =
  24. 24.5% of 480 =
  25. 25.20% of 355 =
  26. 26.50% of 300 =
  27. 27.50% of 284 =
  28. 28.5% of 640 =
  29. 29.25% of 96 =
  30. 30.25% of 288 =
  31. 31.20% of 50 =
  32. 32.25% of 180 =
  33. 33.25% of 232 =
  34. 34.75% of 56 =
  35. 35.75% of 240 =
  36. 36.1% of 2200 =
  37. 37.10% of 270 =
  38. 38.50% of 340 =
  39. 39.1% of 2300 =
  40. 40.5% of 200 =

Answer key

  1. 19
  2. 86
  3. 31
  4. 77
  5. 33
  6. 83
  7. 25
  8. 13
  9. 82
  10. 85
  11. 33
  12. 78
  13. 35
  14. 138
  15. 2
  16. 19
  17. 44
  18. 43
  19. 4
  20. 40
  21. 216
  22. 50
  23. 50
  24. 24
  25. 71
  26. 150
  27. 142
  28. 32
  29. 24
  30. 72
  31. 10
  32. 45
  33. 58
  34. 42
  35. 180
  36. 22
  37. 27
  38. 170
  39. 23
  40. 10

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