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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 104 · 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. 2.25% of 48 =
  3. 3.25% of 84 =
  4. 4.10% of 680 =
  5. 5.5% of 240 =
  6. 6.5% of 760 =
  7. 7.5% of 80 =
  8. 8.10% of 80 =
  9. 9.1% of 2300 =
  10. 10.50% of 98 =
  11. 11.25% of 352 =
  12. 12.20% of 15 =
  13. 13.75% of 140 =
  14. 14.5% of 140 =
  15. 15.20% of 185 =
  16. 16.10% of 220 =
  17. 17.10% of 410 =
  18. 18.75% of 20 =
  19. 19.20% of 205 =
  20. 20.5% of 200 =
  21. 21.5% of 420 =
  22. 22.75% of 176 =
  23. 23.25% of 152 =
  24. 24.10% of 90 =
  25. 25.50% of 96 =
  26. 26.20% of 100 =
  27. 27.5% of 320 =
  28. 28.1% of 1700 =
  29. 29.10% of 530 =
  30. 30.5% of 360 =
  31. 31.10% of 840 =
  32. 32.1% of 2400 =
  33. 33.1% of 1400 =
  34. 34.5% of 400 =
  35. 35.1% of 1300 =
  36. 36.20% of 120 =
  37. 37.50% of 342 =
  38. 38.10% of 280 =
  39. 39.50% of 344 =
  40. 40.50% of 66 =

Answer key

  1. 83
  2. 12
  3. 21
  4. 68
  5. 12
  6. 38
  7. 4
  8. 8
  9. 23
  10. 49
  11. 88
  12. 3
  13. 105
  14. 7
  15. 37
  16. 22
  17. 41
  18. 15
  19. 41
  20. 10
  21. 21
  22. 132
  23. 38
  24. 9
  25. 48
  26. 20
  27. 16
  28. 17
  29. 53
  30. 18
  31. 84
  32. 24
  33. 14
  34. 20
  35. 13
  36. 24
  37. 171
  38. 28
  39. 172
  40. 33

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