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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 420 · 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. 1.1% of 1500 =
  2. 2.20% of 315 =
  3. 3.25% of 316 =
  4. 4.10% of 290 =
  5. 5.50% of 166 =
  6. 6.20% of 305 =
  7. 7.50% of 322 =
  8. 8.10% of 580 =
  9. 9.50% of 200 =
  10. 10.10% of 470 =
  11. 11.1% of 200 =
  12. 12.25% of 352 =
  13. 13.20% of 470 =
  14. 14.10% of 70 =
  15. 15.25% of 292 =
  16. 16.10% of 550 =
  17. 17.25% of 88 =
  18. 18.20% of 300 =
  19. 19.10% of 500 =
  20. 20.10% of 790 =
  21. 21.10% of 640 =
  22. 22.75% of 148 =
  23. 23.50% of 474 =
  24. 24.50% of 316 =
  25. 25.5% of 20 =
  26. 26.10% of 250 =
  27. 27.1% of 1600 =
  28. 28.75% of 140 =
  29. 29.20% of 275 =
  30. 30.20% of 90 =
  31. 31.50% of 352 =
  32. 32.25% of 148 =
  33. 33.75% of 76 =
  34. 34.5% of 480 =
  35. 35.5% of 560 =
  36. 36.20% of 20 =
  37. 37.1% of 2700 =
  38. 38.5% of 680 =
  39. 39.20% of 155 =
  40. 40.10% of 400 =

Answer key

  1. 15
  2. 63
  3. 79
  4. 29
  5. 83
  6. 61
  7. 161
  8. 58
  9. 100
  10. 47
  11. 2
  12. 88
  13. 94
  14. 7
  15. 73
  16. 55
  17. 22
  18. 60
  19. 50
  20. 79
  21. 64
  22. 111
  23. 237
  24. 158
  25. 1
  26. 25
  27. 16
  28. 105
  29. 55
  30. 18
  31. 176
  32. 37
  33. 57
  34. 24
  35. 28
  36. 4
  37. 27
  38. 34
  39. 31
  40. 40

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