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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 14 · 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. 1.50% of 452 =
  2. 2.5% of 140 =
  3. 3.25% of 392 =
  4. 4.50% of 454 =
  5. 5.20% of 135 =
  6. 6.50% of 42 =
  7. 7.25% of 280 =
  8. 8.1% of 600 =
  9. 9.75% of 136 =
  10. 10.20% of 30 =
  11. 11.5% of 440 =
  12. 12.10% of 620 =
  13. 13.20% of 105 =
  14. 14.5% of 220 =
  15. 15.75% of 168 =
  16. 16.50% of 180 =
  17. 17.50% of 486 =
  18. 18.1% of 1300 =
  19. 19.10% of 30 =
  20. 20.5% of 300 =
  21. 21.10% of 770 =
  22. 22.20% of 250 =
  23. 23.10% of 640 =
  24. 24.25% of 92 =
  25. 25.5% of 320 =
  26. 26.75% of 228 =
  27. 27.1% of 1400 =
  28. 28.20% of 275 =
  29. 29.25% of 340 =
  30. 30.10% of 460 =
  31. 31.25% of 264 =
  32. 32.25% of 272 =
  33. 33.75% of 156 =
  34. 34.75% of 140 =
  35. 35.50% of 34 =
  36. 36.25% of 352 =
  37. 37.75% of 200 =
  38. 38.20% of 205 =
  39. 39.50% of 426 =
  40. 40.10% of 410 =

Answer key

  1. 226
  2. 7
  3. 98
  4. 227
  5. 27
  6. 21
  7. 70
  8. 6
  9. 102
  10. 6
  11. 22
  12. 62
  13. 21
  14. 11
  15. 126
  16. 90
  17. 243
  18. 13
  19. 3
  20. 15
  21. 77
  22. 50
  23. 64
  24. 23
  25. 16
  26. 171
  27. 14
  28. 55
  29. 85
  30. 46
  31. 66
  32. 68
  33. 117
  34. 105
  35. 17
  36. 88
  37. 150
  38. 41
  39. 213
  40. 41

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