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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 344 · 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 270 =
  2. 2.10% of 100 =
  3. 3.10% of 410 =
  4. 4.10% of 740 =
  5. 5.10% of 730 =
  6. 6.10% of 80 =
  7. 7.50% of 144 =
  8. 8.10% of 620 =
  9. 9.10% of 300 =
  10. 10.25% of 344 =
  11. 11.50% of 376 =
  12. 12.25% of 80 =
  13. 13.25% of 368 =
  14. 14.10% of 20 =
  15. 15.50% of 134 =
  16. 16.10% of 800 =
  17. 17.10% of 290 =
  18. 18.50% of 396 =
  19. 19.20% of 150 =
  20. 20.75% of 60 =
  21. 21.50% of 34 =
  22. 22.50% of 426 =
  23. 23.1% of 1500 =
  24. 24.1% of 2400 =
  25. 25.1% of 1400 =
  26. 26.10% of 60 =
  27. 27.10% of 90 =
  28. 28.5% of 100 =
  29. 29.50% of 326 =
  30. 30.25% of 88 =
  31. 31.25% of 176 =
  32. 32.50% of 46 =
  33. 33.75% of 24 =
  34. 34.20% of 380 =
  35. 35.10% of 600 =
  36. 36.25% of 372 =
  37. 37.20% of 20 =
  38. 38.50% of 22 =
  39. 39.75% of 40 =
  40. 40.10% of 510 =

Answer key

  1. 27
  2. 10
  3. 41
  4. 74
  5. 73
  6. 8
  7. 72
  8. 62
  9. 30
  10. 86
  11. 188
  12. 20
  13. 92
  14. 2
  15. 67
  16. 80
  17. 29
  18. 198
  19. 30
  20. 45
  21. 17
  22. 213
  23. 15
  24. 24
  25. 14
  26. 6
  27. 9
  28. 5
  29. 163
  30. 22
  31. 44
  32. 23
  33. 18
  34. 76
  35. 60
  36. 93
  37. 4
  38. 11
  39. 30
  40. 51

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