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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 825 · 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. 1.25% of 156 =
  2. 2.10% of 820 =
  3. 3.25% of 340 =
  4. 4.5% of 380 =
  5. 5.5% of 180 =
  6. 6.20% of 85 =
  7. 7.50% of 102 =
  8. 8.20% of 250 =
  9. 9.10% of 320 =
  10. 10.1% of 2300 =
  11. 11.1% of 1000 =
  12. 12.75% of 132 =
  13. 13.25% of 96 =
  14. 14.25% of 64 =
  15. 15.50% of 200 =
  16. 16.20% of 170 =
  17. 17.50% of 214 =
  18. 18.10% of 410 =
  19. 19.25% of 32 =
  20. 20.1% of 300 =
  21. 21.1% of 100 =
  22. 22.25% of 24 =
  23. 23.20% of 35 =
  24. 24.50% of 270 =
  25. 25.10% of 80 =
  26. 26.20% of 90 =
  27. 27.10% of 400 =
  28. 28.75% of 164 =
  29. 29.50% of 100 =
  30. 30.25% of 348 =
  31. 31.25% of 132 =
  32. 32.10% of 240 =
  33. 33.10% of 230 =
  34. 34.5% of 120 =
  35. 35.50% of 414 =
  36. 36.10% of 110 =
  37. 37.5% of 780 =
  38. 38.1% of 2700 =
  39. 39.25% of 160 =
  40. 40.20% of 275 =

Answer key

  1. 39
  2. 82
  3. 85
  4. 19
  5. 9
  6. 17
  7. 51
  8. 50
  9. 32
  10. 23
  11. 10
  12. 99
  13. 24
  14. 16
  15. 100
  16. 34
  17. 107
  18. 41
  19. 8
  20. 3
  21. 1
  22. 6
  23. 7
  24. 135
  25. 8
  26. 18
  27. 40
  28. 123
  29. 50
  30. 87
  31. 33
  32. 24
  33. 23
  34. 6
  35. 207
  36. 11
  37. 39
  38. 27
  39. 40
  40. 55

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