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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 21 · 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 24 =
  2. 2.20% of 235 =
  3. 3.50% of 470 =
  4. 4.50% of 348 =
  5. 5.10% of 230 =
  6. 6.75% of 120 =
  7. 7.75% of 12 =
  8. 8.25% of 160 =
  9. 9.75% of 240 =
  10. 10.20% of 145 =
  11. 11.20% of 340 =
  12. 12.50% of 258 =
  13. 13.20% of 410 =
  14. 14.20% of 435 =
  15. 15.75% of 64 =
  16. 16.50% of 300 =
  17. 17.50% of 24 =
  18. 18.25% of 212 =
  19. 19.1% of 2800 =
  20. 20.5% of 400 =
  21. 21.50% of 112 =
  22. 22.1% of 2700 =
  23. 23.5% of 640 =
  24. 24.10% of 160 =
  25. 25.5% of 800 =
  26. 26.75% of 124 =
  27. 27.10% of 130 =
  28. 28.20% of 160 =
  29. 29.25% of 128 =
  30. 30.10% of 840 =
  31. 31.5% of 660 =
  32. 32.5% of 40 =
  33. 33.25% of 232 =
  34. 34.10% of 740 =
  35. 35.5% of 360 =
  36. 36.20% of 125 =
  37. 37.5% of 520 =
  38. 38.25% of 288 =
  39. 39.10% of 880 =
  40. 40.10% of 40 =

Answer key

  1. 18
  2. 47
  3. 235
  4. 174
  5. 23
  6. 90
  7. 9
  8. 40
  9. 180
  10. 29
  11. 68
  12. 129
  13. 82
  14. 87
  15. 48
  16. 150
  17. 12
  18. 53
  19. 28
  20. 20
  21. 56
  22. 27
  23. 32
  24. 16
  25. 40
  26. 93
  27. 13
  28. 32
  29. 32
  30. 84
  31. 33
  32. 2
  33. 58
  34. 74
  35. 18
  36. 25
  37. 26
  38. 72
  39. 88
  40. 4

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