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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 810 · 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 90 =
  2. 2.75% of 220 =
  3. 3.50% of 396 =
  4. 4.50% of 402 =
  5. 5.10% of 40 =
  6. 6.75% of 76 =
  7. 7.5% of 160 =
  8. 8.10% of 220 =
  9. 9.20% of 55 =
  10. 10.25% of 116 =
  11. 11.25% of 32 =
  12. 12.75% of 124 =
  13. 13.25% of 120 =
  14. 14.5% of 560 =
  15. 15.10% of 620 =
  16. 16.25% of 228 =
  17. 17.5% of 800 =
  18. 18.10% of 370 =
  19. 19.20% of 460 =
  20. 20.1% of 1600 =
  21. 21.1% of 2200 =
  22. 22.75% of 80 =
  23. 23.1% of 400 =
  24. 24.50% of 324 =
  25. 25.1% of 2800 =
  26. 26.10% of 280 =
  27. 27.10% of 640 =
  28. 28.20% of 125 =
  29. 29.50% of 330 =
  30. 30.25% of 188 =
  31. 31.20% of 415 =
  32. 32.10% of 210 =
  33. 33.25% of 320 =
  34. 34.75% of 172 =
  35. 35.10% of 650 =
  36. 36.50% of 26 =
  37. 37.75% of 56 =
  38. 38.1% of 1400 =
  39. 39.75% of 216 =
  40. 40.5% of 640 =

Answer key

  1. 9
  2. 165
  3. 198
  4. 201
  5. 4
  6. 57
  7. 8
  8. 22
  9. 11
  10. 29
  11. 8
  12. 93
  13. 30
  14. 28
  15. 62
  16. 57
  17. 40
  18. 37
  19. 92
  20. 16
  21. 22
  22. 60
  23. 4
  24. 162
  25. 28
  26. 28
  27. 64
  28. 25
  29. 165
  30. 47
  31. 83
  32. 21
  33. 80
  34. 129
  35. 65
  36. 13
  37. 42
  38. 14
  39. 162
  40. 32

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