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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 827 · 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. 1.10% of 80 =
  2. 2.5% of 640 =
  3. 3.5% of 240 =
  4. 4.10% of 250 =
  5. 5.1% of 1400 =
  6. 6.20% of 270 =
  7. 7.25% of 56 =
  8. 8.1% of 2500 =
  9. 9.5% of 600 =
  10. 10.20% of 225 =
  11. 11.10% of 70 =
  12. 12.50% of 34 =
  13. 13.5% of 420 =
  14. 14.25% of 360 =
  15. 15.75% of 100 =
  16. 16.5% of 700 =
  17. 17.10% of 440 =
  18. 18.20% of 260 =
  19. 19.5% of 580 =
  20. 20.25% of 16 =
  21. 21.50% of 198 =
  22. 22.20% of 135 =
  23. 23.75% of 224 =
  24. 24.25% of 268 =
  25. 25.1% of 1600 =
  26. 26.75% of 212 =
  27. 27.5% of 200 =
  28. 28.75% of 56 =
  29. 29.20% of 120 =
  30. 30.25% of 72 =
  31. 31.20% of 280 =
  32. 32.75% of 172 =
  33. 33.50% of 170 =
  34. 34.1% of 2900 =
  35. 35.75% of 24 =
  36. 36.20% of 160 =
  37. 37.1% of 2800 =
  38. 38.75% of 160 =
  39. 39.10% of 520 =
  40. 40.1% of 900 =

Answer key

  1. 8
  2. 32
  3. 12
  4. 25
  5. 14
  6. 54
  7. 14
  8. 25
  9. 30
  10. 45
  11. 7
  12. 17
  13. 21
  14. 90
  15. 75
  16. 35
  17. 44
  18. 52
  19. 29
  20. 4
  21. 99
  22. 27
  23. 168
  24. 67
  25. 16
  26. 159
  27. 10
  28. 42
  29. 24
  30. 18
  31. 56
  32. 129
  33. 85
  34. 29
  35. 18
  36. 32
  37. 28
  38. 120
  39. 52
  40. 9

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