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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 326 · 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 28 =
  2. 2.5% of 220 =
  3. 3.20% of 280 =
  4. 4.25% of 308 =
  5. 5.25% of 128 =
  6. 6.10% of 870 =
  7. 7.5% of 320 =
  8. 8.75% of 144 =
  9. 9.75% of 128 =
  10. 10.10% of 400 =
  11. 11.50% of 52 =
  12. 12.20% of 395 =
  13. 13.25% of 80 =
  14. 14.20% of 300 =
  15. 15.20% of 140 =
  16. 16.5% of 80 =
  17. 17.1% of 400 =
  18. 18.1% of 800 =
  19. 19.1% of 1900 =
  20. 20.50% of 40 =
  21. 21.20% of 250 =
  22. 22.20% of 35 =
  23. 23.20% of 90 =
  24. 24.5% of 380 =
  25. 25.50% of 240 =
  26. 26.50% of 484 =
  27. 27.1% of 100 =
  28. 28.20% of 225 =
  29. 29.50% of 440 =
  30. 30.20% of 370 =
  31. 31.5% of 160 =
  32. 32.1% of 1000 =
  33. 33.25% of 400 =
  34. 34.50% of 204 =
  35. 35.75% of 136 =
  36. 36.5% of 460 =
  37. 37.25% of 212 =
  38. 38.50% of 460 =
  39. 39.20% of 235 =
  40. 40.5% of 420 =

Answer key

  1. 21
  2. 11
  3. 56
  4. 77
  5. 32
  6. 87
  7. 16
  8. 108
  9. 96
  10. 40
  11. 26
  12. 79
  13. 20
  14. 60
  15. 28
  16. 4
  17. 4
  18. 8
  19. 19
  20. 20
  21. 50
  22. 7
  23. 18
  24. 19
  25. 120
  26. 242
  27. 1
  28. 45
  29. 220
  30. 74
  31. 8
  32. 10
  33. 100
  34. 102
  35. 102
  36. 23
  37. 53
  38. 230
  39. 47
  40. 21

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