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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 949 · 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 190 =
  2. 2.20% of 140 =
  3. 3.25% of 16 =
  4. 4.10% of 550 =
  5. 5.50% of 58 =
  6. 6.50% of 170 =
  7. 7.10% of 800 =
  8. 8.1% of 1500 =
  9. 9.25% of 284 =
  10. 10.10% of 660 =
  11. 11.50% of 450 =
  12. 12.25% of 40 =
  13. 13.75% of 100 =
  14. 14.5% of 60 =
  15. 15.75% of 216 =
  16. 16.5% of 500 =
  17. 17.1% of 2800 =
  18. 18.20% of 75 =
  19. 19.50% of 100 =
  20. 20.75% of 220 =
  21. 21.10% of 390 =
  22. 22.20% of 330 =
  23. 23.75% of 224 =
  24. 24.1% of 1000 =
  25. 25.25% of 168 =
  26. 26.75% of 36 =
  27. 27.50% of 260 =
  28. 28.1% of 2600 =
  29. 29.75% of 40 =
  30. 30.1% of 2000 =
  31. 31.50% of 280 =
  32. 32.1% of 1400 =
  33. 33.50% of 482 =
  34. 34.25% of 96 =
  35. 35.1% of 1800 =
  36. 36.50% of 16 =
  37. 37.20% of 315 =
  38. 38.75% of 136 =
  39. 39.50% of 86 =
  40. 40.20% of 455 =

Answer key

  1. 19
  2. 28
  3. 4
  4. 55
  5. 29
  6. 85
  7. 80
  8. 15
  9. 71
  10. 66
  11. 225
  12. 10
  13. 75
  14. 3
  15. 162
  16. 25
  17. 28
  18. 15
  19. 50
  20. 165
  21. 39
  22. 66
  23. 168
  24. 10
  25. 42
  26. 27
  27. 130
  28. 26
  29. 30
  30. 20
  31. 140
  32. 14
  33. 241
  34. 24
  35. 18
  36. 8
  37. 63
  38. 102
  39. 43
  40. 91

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