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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 751 · 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 140 =
  2. 2.50% of 392 =
  3. 3.10% of 470 =
  4. 4.75% of 240 =
  5. 5.5% of 480 =
  6. 6.25% of 120 =
  7. 7.1% of 700 =
  8. 8.10% of 310 =
  9. 9.25% of 64 =
  10. 10.75% of 164 =
  11. 11.20% of 420 =
  12. 12.50% of 30 =
  13. 13.10% of 280 =
  14. 14.50% of 372 =
  15. 15.10% of 700 =
  16. 16.5% of 620 =
  17. 17.25% of 308 =
  18. 18.10% of 180 =
  19. 19.1% of 2200 =
  20. 20.25% of 76 =
  21. 21.1% of 400 =
  22. 22.25% of 296 =
  23. 23.1% of 2600 =
  24. 24.1% of 1500 =
  25. 25.5% of 680 =
  26. 26.50% of 128 =
  27. 27.5% of 580 =
  28. 28.10% of 770 =
  29. 29.25% of 168 =
  30. 30.25% of 104 =
  31. 31.20% of 185 =
  32. 32.25% of 48 =
  33. 33.50% of 280 =
  34. 34.75% of 116 =
  35. 35.10% of 60 =
  36. 36.20% of 250 =
  37. 37.75% of 172 =
  38. 38.1% of 2800 =
  39. 39.50% of 274 =
  40. 40.10% of 810 =

Answer key

  1. 7
  2. 196
  3. 47
  4. 180
  5. 24
  6. 30
  7. 7
  8. 31
  9. 16
  10. 123
  11. 84
  12. 15
  13. 28
  14. 186
  15. 70
  16. 31
  17. 77
  18. 18
  19. 22
  20. 19
  21. 4
  22. 74
  23. 26
  24. 15
  25. 34
  26. 64
  27. 29
  28. 77
  29. 42
  30. 26
  31. 37
  32. 12
  33. 140
  34. 87
  35. 6
  36. 50
  37. 129
  38. 28
  39. 137
  40. 81

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