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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 647 · 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 28 =
  2. 2.20% of 150 =
  3. 3.20% of 15 =
  4. 4.25% of 56 =
  5. 5.10% of 50 =
  6. 6.20% of 300 =
  7. 7.75% of 168 =
  8. 8.50% of 430 =
  9. 9.25% of 40 =
  10. 10.75% of 144 =
  11. 11.1% of 1000 =
  12. 12.50% of 26 =
  13. 13.75% of 72 =
  14. 14.10% of 270 =
  15. 15.50% of 132 =
  16. 16.50% of 294 =
  17. 17.10% of 40 =
  18. 18.1% of 1400 =
  19. 19.5% of 180 =
  20. 20.10% of 570 =
  21. 21.75% of 88 =
  22. 22.1% of 2200 =
  23. 23.10% of 540 =
  24. 24.10% of 700 =
  25. 25.25% of 356 =
  26. 26.10% of 80 =
  27. 27.75% of 132 =
  28. 28.75% of 128 =
  29. 29.50% of 276 =
  30. 30.25% of 76 =
  31. 31.25% of 380 =
  32. 32.5% of 140 =
  33. 33.1% of 100 =
  34. 34.50% of 54 =
  35. 35.20% of 250 =
  36. 36.5% of 20 =
  37. 37.5% of 40 =
  38. 38.50% of 342 =
  39. 39.25% of 400 =
  40. 40.10% of 480 =

Answer key

  1. 21
  2. 30
  3. 3
  4. 14
  5. 5
  6. 60
  7. 126
  8. 215
  9. 10
  10. 108
  11. 10
  12. 13
  13. 54
  14. 27
  15. 66
  16. 147
  17. 4
  18. 14
  19. 9
  20. 57
  21. 66
  22. 22
  23. 54
  24. 70
  25. 89
  26. 8
  27. 99
  28. 96
  29. 138
  30. 19
  31. 95
  32. 7
  33. 1
  34. 27
  35. 50
  36. 1
  37. 2
  38. 171
  39. 100
  40. 48

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