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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 100 · 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 470 =
  2. 2.25% of 84 =
  3. 3.1% of 1400 =
  4. 4.50% of 64 =
  5. 5.5% of 640 =
  6. 6.10% of 450 =
  7. 7.1% of 2100 =
  8. 8.5% of 140 =
  9. 9.1% of 1500 =
  10. 10.1% of 500 =
  11. 11.10% of 130 =
  12. 12.75% of 112 =
  13. 13.75% of 96 =
  14. 14.5% of 560 =
  15. 15.20% of 395 =
  16. 16.50% of 500 =
  17. 17.75% of 224 =
  18. 18.50% of 420 =
  19. 19.50% of 418 =
  20. 20.25% of 120 =
  21. 21.75% of 128 =
  22. 22.75% of 188 =
  23. 23.75% of 36 =
  24. 24.20% of 355 =
  25. 25.1% of 2400 =
  26. 26.50% of 212 =
  27. 27.10% of 460 =
  28. 28.10% of 780 =
  29. 29.5% of 40 =
  30. 30.50% of 88 =
  31. 31.25% of 112 =
  32. 32.50% of 218 =
  33. 33.5% of 80 =
  34. 34.5% of 740 =
  35. 35.20% of 425 =
  36. 36.20% of 490 =
  37. 37.50% of 68 =
  38. 38.50% of 252 =
  39. 39.75% of 88 =
  40. 40.75% of 176 =

Answer key

  1. 47
  2. 21
  3. 14
  4. 32
  5. 32
  6. 45
  7. 21
  8. 7
  9. 15
  10. 5
  11. 13
  12. 84
  13. 72
  14. 28
  15. 79
  16. 250
  17. 168
  18. 210
  19. 209
  20. 30
  21. 96
  22. 141
  23. 27
  24. 71
  25. 24
  26. 106
  27. 46
  28. 78
  29. 2
  30. 44
  31. 28
  32. 109
  33. 4
  34. 37
  35. 85
  36. 98
  37. 34
  38. 126
  39. 66
  40. 132

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