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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 371 · 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. 1.1% of 1800 =
  2. 2.10% of 20 =
  3. 3.25% of 360 =
  4. 4.10% of 240 =
  5. 5.25% of 184 =
  6. 6.1% of 1500 =
  7. 7.1% of 2600 =
  8. 8.50% of 348 =
  9. 9.25% of 352 =
  10. 10.50% of 414 =
  11. 11.10% of 70 =
  12. 12.10% of 790 =
  13. 13.10% of 740 =
  14. 14.25% of 288 =
  15. 15.5% of 300 =
  16. 16.1% of 1700 =
  17. 17.10% of 460 =
  18. 18.75% of 52 =
  19. 19.25% of 304 =
  20. 20.75% of 80 =
  21. 21.20% of 165 =
  22. 22.25% of 284 =
  23. 23.1% of 600 =
  24. 24.50% of 232 =
  25. 25.25% of 176 =
  26. 26.50% of 154 =
  27. 27.5% of 580 =
  28. 28.50% of 310 =
  29. 29.10% of 720 =
  30. 30.1% of 500 =
  31. 31.75% of 68 =
  32. 32.1% of 2300 =
  33. 33.10% of 270 =
  34. 34.10% of 120 =
  35. 35.25% of 348 =
  36. 36.50% of 342 =
  37. 37.10% of 780 =
  38. 38.50% of 112 =
  39. 39.10% of 110 =
  40. 40.20% of 20 =

Answer key

  1. 18
  2. 2
  3. 90
  4. 24
  5. 46
  6. 15
  7. 26
  8. 174
  9. 88
  10. 207
  11. 7
  12. 79
  13. 74
  14. 72
  15. 15
  16. 17
  17. 46
  18. 39
  19. 76
  20. 60
  21. 33
  22. 71
  23. 6
  24. 116
  25. 44
  26. 77
  27. 29
  28. 155
  29. 72
  30. 5
  31. 51
  32. 23
  33. 27
  34. 12
  35. 87
  36. 171
  37. 78
  38. 56
  39. 11
  40. 4

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