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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 128 · 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. 1.20% of 135 =
  2. 2.1% of 1700 =
  3. 3.25% of 20 =
  4. 4.10% of 830 =
  5. 5.20% of 425 =
  6. 6.50% of 210 =
  7. 7.20% of 400 =
  8. 8.5% of 120 =
  9. 9.1% of 2900 =
  10. 10.1% of 1500 =
  11. 11.10% of 140 =
  12. 12.20% of 280 =
  13. 13.25% of 292 =
  14. 14.25% of 124 =
  15. 15.25% of 40 =
  16. 16.10% of 780 =
  17. 17.10% of 240 =
  18. 18.75% of 60 =
  19. 19.1% of 2300 =
  20. 20.25% of 28 =
  21. 21.10% of 510 =
  22. 22.75% of 164 =
  23. 23.20% of 290 =
  24. 24.1% of 1000 =
  25. 25.75% of 220 =
  26. 26.25% of 24 =
  27. 27.75% of 204 =
  28. 28.5% of 340 =
  29. 29.10% of 170 =
  30. 30.75% of 28 =
  31. 31.20% of 485 =
  32. 32.50% of 112 =
  33. 33.20% of 285 =
  34. 34.10% of 340 =
  35. 35.25% of 100 =
  36. 36.10% of 520 =
  37. 37.5% of 560 =
  38. 38.25% of 316 =
  39. 39.75% of 52 =
  40. 40.20% of 35 =

Answer key

  1. 27
  2. 17
  3. 5
  4. 83
  5. 85
  6. 105
  7. 80
  8. 6
  9. 29
  10. 15
  11. 14
  12. 56
  13. 73
  14. 31
  15. 10
  16. 78
  17. 24
  18. 45
  19. 23
  20. 7
  21. 51
  22. 123
  23. 58
  24. 10
  25. 165
  26. 6
  27. 153
  28. 17
  29. 17
  30. 21
  31. 97
  32. 56
  33. 57
  34. 34
  35. 25
  36. 52
  37. 28
  38. 79
  39. 39
  40. 7

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