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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 910 · 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 2100 =
  2. 2.50% of 478 =
  3. 3.25% of 368 =
  4. 4.25% of 28 =
  5. 5.75% of 220 =
  6. 6.75% of 48 =
  7. 7.5% of 480 =
  8. 8.10% of 280 =
  9. 9.75% of 180 =
  10. 10.75% of 100 =
  11. 11.50% of 260 =
  12. 12.75% of 232 =
  13. 13.1% of 1900 =
  14. 14.10% of 160 =
  15. 15.5% of 500 =
  16. 16.75% of 92 =
  17. 17.20% of 110 =
  18. 18.25% of 40 =
  19. 19.20% of 35 =
  20. 20.20% of 320 =
  21. 21.10% of 810 =
  22. 22.20% of 375 =
  23. 23.50% of 90 =
  24. 24.50% of 434 =
  25. 25.75% of 64 =
  26. 26.10% of 790 =
  27. 27.5% of 520 =
  28. 28.10% of 220 =
  29. 29.1% of 800 =
  30. 30.75% of 172 =
  31. 31.25% of 388 =
  32. 32.20% of 105 =
  33. 33.75% of 120 =
  34. 34.50% of 496 =
  35. 35.1% of 300 =
  36. 36.25% of 356 =
  37. 37.50% of 452 =
  38. 38.50% of 138 =
  39. 39.50% of 498 =
  40. 40.1% of 1400 =

Answer key

  1. 21
  2. 239
  3. 92
  4. 7
  5. 165
  6. 36
  7. 24
  8. 28
  9. 135
  10. 75
  11. 130
  12. 174
  13. 19
  14. 16
  15. 25
  16. 69
  17. 22
  18. 10
  19. 7
  20. 64
  21. 81
  22. 75
  23. 45
  24. 217
  25. 48
  26. 79
  27. 26
  28. 22
  29. 8
  30. 129
  31. 97
  32. 21
  33. 90
  34. 248
  35. 3
  36. 89
  37. 226
  38. 69
  39. 249
  40. 14

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