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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 329 · 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 40 =
  2. 2.25% of 68 =
  3. 3.10% of 700 =
  4. 4.50% of 194 =
  5. 5.20% of 105 =
  6. 6.25% of 92 =
  7. 7.20% of 400 =
  8. 8.25% of 280 =
  9. 9.1% of 600 =
  10. 10.1% of 2200 =
  11. 11.20% of 255 =
  12. 12.10% of 820 =
  13. 13.5% of 680 =
  14. 14.1% of 1500 =
  15. 15.10% of 280 =
  16. 16.75% of 72 =
  17. 17.10% of 340 =
  18. 18.75% of 152 =
  19. 19.10% of 220 =
  20. 20.25% of 252 =
  21. 21.75% of 124 =
  22. 22.5% of 220 =
  23. 23.10% of 490 =
  24. 24.5% of 40 =
  25. 25.25% of 376 =
  26. 26.50% of 206 =
  27. 27.75% of 100 =
  28. 28.5% of 80 =
  29. 29.20% of 460 =
  30. 30.10% of 540 =
  31. 31.20% of 50 =
  32. 32.20% of 285 =
  33. 33.25% of 284 =
  34. 34.1% of 1800 =
  35. 35.20% of 135 =
  36. 36.5% of 800 =
  37. 37.10% of 190 =
  38. 38.25% of 220 =
  39. 39.50% of 418 =
  40. 40.20% of 420 =

Answer key

  1. 30
  2. 17
  3. 70
  4. 97
  5. 21
  6. 23
  7. 80
  8. 70
  9. 6
  10. 22
  11. 51
  12. 82
  13. 34
  14. 15
  15. 28
  16. 54
  17. 34
  18. 114
  19. 22
  20. 63
  21. 93
  22. 11
  23. 49
  24. 2
  25. 94
  26. 103
  27. 75
  28. 4
  29. 92
  30. 54
  31. 10
  32. 57
  33. 71
  34. 18
  35. 27
  36. 40
  37. 19
  38. 55
  39. 209
  40. 84

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