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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 120 · 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. 1.20% of 415 =
  2. 2.25% of 316 =
  3. 3.75% of 80 =
  4. 4.1% of 600 =
  5. 5.20% of 500 =
  6. 6.75% of 196 =
  7. 7.10% of 310 =
  8. 8.10% of 750 =
  9. 9.5% of 60 =
  10. 10.5% of 80 =
  11. 11.10% of 390 =
  12. 12.20% of 410 =
  13. 13.5% of 420 =
  14. 14.50% of 462 =
  15. 15.1% of 1700 =
  16. 16.75% of 132 =
  17. 17.50% of 284 =
  18. 18.1% of 400 =
  19. 19.1% of 1900 =
  20. 20.10% of 830 =
  21. 21.75% of 56 =
  22. 22.50% of 150 =
  23. 23.10% of 730 =
  24. 24.1% of 500 =
  25. 25.5% of 160 =
  26. 26.20% of 95 =
  27. 27.25% of 180 =
  28. 28.25% of 388 =
  29. 29.50% of 66 =
  30. 30.50% of 140 =
  31. 31.75% of 40 =
  32. 32.50% of 228 =
  33. 33.10% of 110 =
  34. 34.75% of 116 =
  35. 35.25% of 52 =
  36. 36.5% of 540 =
  37. 37.50% of 92 =
  38. 38.20% of 430 =
  39. 39.20% of 35 =
  40. 40.1% of 1100 =

Answer key

  1. 83
  2. 79
  3. 60
  4. 6
  5. 100
  6. 147
  7. 31
  8. 75
  9. 3
  10. 4
  11. 39
  12. 82
  13. 21
  14. 231
  15. 17
  16. 99
  17. 142
  18. 4
  19. 19
  20. 83
  21. 42
  22. 75
  23. 73
  24. 5
  25. 8
  26. 19
  27. 45
  28. 97
  29. 33
  30. 70
  31. 30
  32. 114
  33. 11
  34. 87
  35. 13
  36. 27
  37. 46
  38. 86
  39. 7
  40. 11

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