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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 57 · 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. 1.5% of 20 =
  2. 2.5% of 340 =
  3. 3.5% of 220 =
  4. 4.50% of 384 =
  5. 5.10% of 20 =
  6. 6.10% of 740 =
  7. 7.10% of 590 =
  8. 8.1% of 2800 =
  9. 9.1% of 1700 =
  10. 10.1% of 1100 =
  11. 11.50% of 34 =
  12. 12.75% of 236 =
  13. 13.20% of 25 =
  14. 14.5% of 380 =
  15. 15.20% of 200 =
  16. 16.20% of 365 =
  17. 17.1% of 2200 =
  18. 18.10% of 70 =
  19. 19.1% of 2400 =
  20. 20.25% of 48 =
  21. 21.25% of 140 =
  22. 22.20% of 70 =
  23. 23.10% of 460 =
  24. 24.1% of 1200 =
  25. 25.10% of 370 =
  26. 26.10% of 830 =
  27. 27.20% of 75 =
  28. 28.10% of 580 =
  29. 29.5% of 400 =
  30. 30.20% of 485 =
  31. 31.50% of 102 =
  32. 32.50% of 414 =
  33. 33.1% of 700 =
  34. 34.5% of 420 =
  35. 35.10% of 750 =
  36. 36.20% of 150 =
  37. 37.1% of 500 =
  38. 38.75% of 16 =
  39. 39.20% of 450 =
  40. 40.20% of 430 =

Answer key

  1. 1
  2. 17
  3. 11
  4. 192
  5. 2
  6. 74
  7. 59
  8. 28
  9. 17
  10. 11
  11. 17
  12. 177
  13. 5
  14. 19
  15. 40
  16. 73
  17. 22
  18. 7
  19. 24
  20. 12
  21. 35
  22. 14
  23. 46
  24. 12
  25. 37
  26. 83
  27. 15
  28. 58
  29. 20
  30. 97
  31. 51
  32. 207
  33. 7
  34. 21
  35. 75
  36. 30
  37. 5
  38. 12
  39. 90
  40. 86

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