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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 666 · 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 415 =
  2. 2.20% of 75 =
  3. 3.20% of 225 =
  4. 4.5% of 600 =
  5. 5.5% of 100 =
  6. 6.1% of 400 =
  7. 7.25% of 52 =
  8. 8.10% of 200 =
  9. 9.10% of 600 =
  10. 10.50% of 434 =
  11. 11.20% of 340 =
  12. 12.25% of 28 =
  13. 13.5% of 700 =
  14. 14.25% of 360 =
  15. 15.5% of 120 =
  16. 16.20% of 105 =
  17. 17.75% of 160 =
  18. 18.1% of 1800 =
  19. 19.50% of 468 =
  20. 20.50% of 462 =
  21. 21.5% of 780 =
  22. 22.10% of 270 =
  23. 23.25% of 144 =
  24. 24.50% of 288 =
  25. 25.10% of 670 =
  26. 26.50% of 18 =
  27. 27.50% of 182 =
  28. 28.50% of 348 =
  29. 29.75% of 240 =
  30. 30.5% of 260 =
  31. 31.50% of 206 =
  32. 32.20% of 310 =
  33. 33.1% of 800 =
  34. 34.10% of 770 =
  35. 35.1% of 2400 =
  36. 36.20% of 275 =
  37. 37.75% of 116 =
  38. 38.10% of 900 =
  39. 39.50% of 216 =
  40. 40.10% of 100 =

Answer key

  1. 83
  2. 15
  3. 45
  4. 30
  5. 5
  6. 4
  7. 13
  8. 20
  9. 60
  10. 217
  11. 68
  12. 7
  13. 35
  14. 90
  15. 6
  16. 21
  17. 120
  18. 18
  19. 234
  20. 231
  21. 39
  22. 27
  23. 36
  24. 144
  25. 67
  26. 9
  27. 91
  28. 174
  29. 180
  30. 13
  31. 103
  32. 62
  33. 8
  34. 77
  35. 24
  36. 55
  37. 87
  38. 90
  39. 108
  40. 10

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