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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 170 · 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. 1.50% of 470 =
  2. 2.75% of 148 =
  3. 3.5% of 160 =
  4. 4.50% of 50 =
  5. 5.25% of 180 =
  6. 6.10% of 140 =
  7. 7.10% of 820 =
  8. 8.25% of 356 =
  9. 9.1% of 1700 =
  10. 10.50% of 104 =
  11. 11.20% of 405 =
  12. 12.20% of 175 =
  13. 13.1% of 1000 =
  14. 14.50% of 270 =
  15. 15.20% of 355 =
  16. 16.75% of 172 =
  17. 17.5% of 80 =
  18. 18.25% of 12 =
  19. 19.25% of 72 =
  20. 20.75% of 108 =
  21. 21.10% of 890 =
  22. 22.50% of 214 =
  23. 23.75% of 16 =
  24. 24.1% of 700 =
  25. 25.50% of 320 =
  26. 26.1% of 2000 =
  27. 27.5% of 600 =
  28. 28.75% of 132 =
  29. 29.10% of 210 =
  30. 30.1% of 2300 =
  31. 31.20% of 170 =
  32. 32.5% of 500 =
  33. 33.5% of 400 =
  34. 34.75% of 144 =
  35. 35.20% of 135 =
  36. 36.50% of 404 =
  37. 37.10% of 590 =
  38. 38.25% of 148 =
  39. 39.75% of 36 =
  40. 40.10% of 860 =

Answer key

  1. 235
  2. 111
  3. 8
  4. 25
  5. 45
  6. 14
  7. 82
  8. 89
  9. 17
  10. 52
  11. 81
  12. 35
  13. 10
  14. 135
  15. 71
  16. 129
  17. 4
  18. 3
  19. 18
  20. 81
  21. 89
  22. 107
  23. 12
  24. 7
  25. 160
  26. 20
  27. 30
  28. 99
  29. 21
  30. 23
  31. 34
  32. 25
  33. 20
  34. 108
  35. 27
  36. 202
  37. 59
  38. 37
  39. 27
  40. 86

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