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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 296 · 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. 1.5% of 640 =
  2. 2.1% of 1500 =
  3. 3.1% of 1100 =
  4. 4.75% of 180 =
  5. 5.75% of 108 =
  6. 6.1% of 1200 =
  7. 7.5% of 360 =
  8. 8.75% of 44 =
  9. 9.20% of 170 =
  10. 10.50% of 408 =
  11. 11.1% of 900 =
  12. 12.25% of 300 =
  13. 13.20% of 145 =
  14. 14.25% of 372 =
  15. 15.20% of 235 =
  16. 16.25% of 324 =
  17. 17.50% of 232 =
  18. 18.10% of 870 =
  19. 19.20% of 470 =
  20. 20.1% of 2600 =
  21. 21.75% of 220 =
  22. 22.5% of 380 =
  23. 23.50% of 84 =
  24. 24.10% of 670 =
  25. 25.75% of 72 =
  26. 26.50% of 246 =
  27. 27.25% of 264 =
  28. 28.20% of 155 =
  29. 29.50% of 114 =
  30. 30.1% of 500 =
  31. 31.25% of 172 =
  32. 32.1% of 2500 =
  33. 33.75% of 216 =
  34. 34.10% of 300 =
  35. 35.10% of 530 =
  36. 36.1% of 2300 =
  37. 37.5% of 660 =
  38. 38.25% of 392 =
  39. 39.5% of 40 =
  40. 40.75% of 236 =

Answer key

  1. 32
  2. 15
  3. 11
  4. 135
  5. 81
  6. 12
  7. 18
  8. 33
  9. 34
  10. 204
  11. 9
  12. 75
  13. 29
  14. 93
  15. 47
  16. 81
  17. 116
  18. 87
  19. 94
  20. 26
  21. 165
  22. 19
  23. 42
  24. 67
  25. 54
  26. 123
  27. 66
  28. 31
  29. 57
  30. 5
  31. 43
  32. 25
  33. 162
  34. 30
  35. 53
  36. 23
  37. 33
  38. 98
  39. 2
  40. 177

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