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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 725 · 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 400 =
  2. 2.20% of 425 =
  3. 3.20% of 250 =
  4. 4.20% of 330 =
  5. 5.75% of 176 =
  6. 6.20% of 275 =
  7. 7.5% of 140 =
  8. 8.50% of 108 =
  9. 9.25% of 344 =
  10. 10.10% of 830 =
  11. 11.20% of 420 =
  12. 12.20% of 305 =
  13. 13.10% of 560 =
  14. 14.10% of 720 =
  15. 15.50% of 114 =
  16. 16.25% of 264 =
  17. 17.50% of 330 =
  18. 18.1% of 1700 =
  19. 19.50% of 492 =
  20. 20.75% of 192 =
  21. 21.1% of 1600 =
  22. 22.5% of 720 =
  23. 23.10% of 460 =
  24. 24.50% of 248 =
  25. 25.25% of 380 =
  26. 26.10% of 450 =
  27. 27.10% of 300 =
  28. 28.25% of 68 =
  29. 29.20% of 345 =
  30. 30.75% of 84 =
  31. 31.25% of 332 =
  32. 32.10% of 570 =
  33. 33.75% of 116 =
  34. 34.20% of 465 =
  35. 35.10% of 630 =
  36. 36.20% of 40 =
  37. 37.1% of 2400 =
  38. 38.5% of 320 =
  39. 39.10% of 670 =
  40. 40.20% of 220 =

Answer key

  1. 100
  2. 85
  3. 50
  4. 66
  5. 132
  6. 55
  7. 7
  8. 54
  9. 86
  10. 83
  11. 84
  12. 61
  13. 56
  14. 72
  15. 57
  16. 66
  17. 165
  18. 17
  19. 246
  20. 144
  21. 16
  22. 36
  23. 46
  24. 124
  25. 95
  26. 45
  27. 30
  28. 17
  29. 69
  30. 63
  31. 83
  32. 57
  33. 87
  34. 93
  35. 63
  36. 8
  37. 24
  38. 16
  39. 67
  40. 44

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