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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 933 · 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 180 =
  2. 2.50% of 182 =
  3. 3.75% of 32 =
  4. 4.10% of 640 =
  5. 5.50% of 298 =
  6. 6.1% of 1400 =
  7. 7.50% of 102 =
  8. 8.75% of 92 =
  9. 9.1% of 1100 =
  10. 10.1% of 800 =
  11. 11.5% of 100 =
  12. 12.50% of 96 =
  13. 13.25% of 256 =
  14. 14.25% of 144 =
  15. 15.5% of 40 =
  16. 16.20% of 45 =
  17. 17.25% of 392 =
  18. 18.1% of 2300 =
  19. 19.1% of 1600 =
  20. 20.10% of 30 =
  21. 21.50% of 116 =
  22. 22.5% of 340 =
  23. 23.20% of 155 =
  24. 24.10% of 800 =
  25. 25.50% of 428 =
  26. 26.10% of 420 =
  27. 27.1% of 200 =
  28. 28.25% of 324 =
  29. 29.50% of 108 =
  30. 30.25% of 332 =
  31. 31.10% of 270 =
  32. 32.5% of 500 =
  33. 33.5% of 240 =
  34. 34.1% of 900 =
  35. 35.20% of 65 =
  36. 36.1% of 2700 =
  37. 37.10% of 840 =
  38. 38.75% of 208 =
  39. 39.20% of 375 =
  40. 40.1% of 1900 =

Answer key

  1. 18
  2. 91
  3. 24
  4. 64
  5. 149
  6. 14
  7. 51
  8. 69
  9. 11
  10. 8
  11. 5
  12. 48
  13. 64
  14. 36
  15. 2
  16. 9
  17. 98
  18. 23
  19. 16
  20. 3
  21. 58
  22. 17
  23. 31
  24. 80
  25. 214
  26. 42
  27. 2
  28. 81
  29. 54
  30. 83
  31. 27
  32. 25
  33. 12
  34. 9
  35. 13
  36. 27
  37. 84
  38. 156
  39. 75
  40. 19

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