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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 977 · 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 690 =
  2. 2.50% of 294 =
  3. 3.5% of 540 =
  4. 4.1% of 800 =
  5. 5.20% of 220 =
  6. 6.25% of 344 =
  7. 7.75% of 236 =
  8. 8.75% of 172 =
  9. 9.1% of 2800 =
  10. 10.25% of 108 =
  11. 11.5% of 20 =
  12. 12.25% of 112 =
  13. 13.50% of 172 =
  14. 14.5% of 420 =
  15. 15.25% of 92 =
  16. 16.10% of 680 =
  17. 17.10% of 400 =
  18. 18.10% of 800 =
  19. 19.1% of 2200 =
  20. 20.50% of 106 =
  21. 21.10% of 290 =
  22. 22.5% of 380 =
  23. 23.25% of 68 =
  24. 24.5% of 180 =
  25. 25.10% of 420 =
  26. 26.50% of 332 =
  27. 27.20% of 315 =
  28. 28.25% of 232 =
  29. 29.25% of 20 =
  30. 30.50% of 346 =
  31. 31.1% of 200 =
  32. 32.10% of 90 =
  33. 33.20% of 100 =
  34. 34.5% of 40 =
  35. 35.1% of 500 =
  36. 36.50% of 250 =
  37. 37.50% of 340 =
  38. 38.1% of 1800 =
  39. 39.1% of 1000 =
  40. 40.75% of 104 =

Answer key

  1. 69
  2. 147
  3. 27
  4. 8
  5. 44
  6. 86
  7. 177
  8. 129
  9. 28
  10. 27
  11. 1
  12. 28
  13. 86
  14. 21
  15. 23
  16. 68
  17. 40
  18. 80
  19. 22
  20. 53
  21. 29
  22. 19
  23. 17
  24. 9
  25. 42
  26. 166
  27. 63
  28. 58
  29. 5
  30. 173
  31. 2
  32. 9
  33. 20
  34. 2
  35. 5
  36. 125
  37. 170
  38. 18
  39. 10
  40. 78

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