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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 353 · 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. 1.50% of 282 =
  2. 2.20% of 475 =
  3. 3.1% of 500 =
  4. 4.10% of 290 =
  5. 5.75% of 100 =
  6. 6.50% of 306 =
  7. 7.10% of 370 =
  8. 8.20% of 500 =
  9. 9.5% of 400 =
  10. 10.10% of 680 =
  11. 11.10% of 110 =
  12. 12.75% of 228 =
  13. 13.5% of 540 =
  14. 14.20% of 460 =
  15. 15.10% of 670 =
  16. 16.1% of 1400 =
  17. 17.20% of 370 =
  18. 18.25% of 244 =
  19. 19.20% of 480 =
  20. 20.1% of 400 =
  21. 21.10% of 820 =
  22. 22.5% of 140 =
  23. 23.10% of 310 =
  24. 24.75% of 112 =
  25. 25.50% of 160 =
  26. 26.10% of 400 =
  27. 27.75% of 188 =
  28. 28.75% of 108 =
  29. 29.5% of 100 =
  30. 30.5% of 40 =
  31. 31.1% of 600 =
  32. 32.5% of 60 =
  33. 33.10% of 560 =
  34. 34.5% of 780 =
  35. 35.25% of 28 =
  36. 36.75% of 44 =
  37. 37.10% of 900 =
  38. 38.5% of 240 =
  39. 39.5% of 700 =
  40. 40.20% of 225 =

Answer key

  1. 141
  2. 95
  3. 5
  4. 29
  5. 75
  6. 153
  7. 37
  8. 100
  9. 20
  10. 68
  11. 11
  12. 171
  13. 27
  14. 92
  15. 67
  16. 14
  17. 74
  18. 61
  19. 96
  20. 4
  21. 82
  22. 7
  23. 31
  24. 84
  25. 80
  26. 40
  27. 141
  28. 81
  29. 5
  30. 2
  31. 6
  32. 3
  33. 56
  34. 39
  35. 7
  36. 33
  37. 90
  38. 12
  39. 35
  40. 45

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