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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 577 · 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. 1.5% of 100 =
  2. 2.50% of 486 =
  3. 3.20% of 45 =
  4. 4.10% of 170 =
  5. 5.75% of 108 =
  6. 6.25% of 212 =
  7. 7.50% of 314 =
  8. 8.10% of 840 =
  9. 9.1% of 2100 =
  10. 10.75% of 196 =
  11. 11.75% of 20 =
  12. 12.5% of 680 =
  13. 13.5% of 80 =
  14. 14.50% of 54 =
  15. 15.20% of 50 =
  16. 16.20% of 395 =
  17. 17.1% of 1000 =
  18. 18.50% of 354 =
  19. 19.20% of 345 =
  20. 20.1% of 2900 =
  21. 21.20% of 435 =
  22. 22.75% of 28 =
  23. 23.1% of 2800 =
  24. 24.50% of 50 =
  25. 25.75% of 56 =
  26. 26.50% of 488 =
  27. 27.50% of 200 =
  28. 28.1% of 1500 =
  29. 29.25% of 392 =
  30. 30.25% of 16 =
  31. 31.20% of 280 =
  32. 32.10% of 110 =
  33. 33.5% of 140 =
  34. 34.5% of 440 =
  35. 35.75% of 48 =
  36. 36.5% of 520 =
  37. 37.10% of 810 =
  38. 38.10% of 290 =
  39. 39.1% of 2400 =
  40. 40.1% of 1100 =

Answer key

  1. 5
  2. 243
  3. 9
  4. 17
  5. 81
  6. 53
  7. 157
  8. 84
  9. 21
  10. 147
  11. 15
  12. 34
  13. 4
  14. 27
  15. 10
  16. 79
  17. 10
  18. 177
  19. 69
  20. 29
  21. 87
  22. 21
  23. 28
  24. 25
  25. 42
  26. 244
  27. 100
  28. 15
  29. 98
  30. 4
  31. 56
  32. 11
  33. 7
  34. 22
  35. 36
  36. 26
  37. 81
  38. 29
  39. 24
  40. 11

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