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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 334 · 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 850 =
  2. 2.10% of 230 =
  3. 3.20% of 365 =
  4. 4.20% of 330 =
  5. 5.25% of 280 =
  6. 6.25% of 188 =
  7. 7.1% of 2100 =
  8. 8.50% of 94 =
  9. 9.10% of 800 =
  10. 10.50% of 490 =
  11. 11.5% of 40 =
  12. 12.1% of 100 =
  13. 13.10% of 80 =
  14. 14.25% of 16 =
  15. 15.20% of 170 =
  16. 16.50% of 106 =
  17. 17.25% of 68 =
  18. 18.5% of 720 =
  19. 19.5% of 340 =
  20. 20.25% of 140 =
  21. 21.5% of 800 =
  22. 22.75% of 232 =
  23. 23.1% of 1700 =
  24. 24.25% of 152 =
  25. 25.75% of 204 =
  26. 26.5% of 580 =
  27. 27.75% of 136 =
  28. 28.50% of 314 =
  29. 29.25% of 92 =
  30. 30.1% of 1000 =
  31. 31.5% of 20 =
  32. 32.50% of 324 =
  33. 33.75% of 100 =
  34. 34.50% of 128 =
  35. 35.20% of 205 =
  36. 36.1% of 1600 =
  37. 37.10% of 160 =
  38. 38.50% of 180 =
  39. 39.10% of 40 =
  40. 40.20% of 15 =

Answer key

  1. 85
  2. 23
  3. 73
  4. 66
  5. 70
  6. 47
  7. 21
  8. 47
  9. 80
  10. 245
  11. 2
  12. 1
  13. 8
  14. 4
  15. 34
  16. 53
  17. 17
  18. 36
  19. 17
  20. 35
  21. 40
  22. 174
  23. 17
  24. 38
  25. 153
  26. 29
  27. 102
  28. 157
  29. 23
  30. 10
  31. 1
  32. 162
  33. 75
  34. 64
  35. 41
  36. 16
  37. 16
  38. 90
  39. 4
  40. 3

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