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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 442 · 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 225 =
  2. 2.1% of 500 =
  3. 3.10% of 60 =
  4. 4.75% of 28 =
  5. 5.75% of 20 =
  6. 6.75% of 56 =
  7. 7.25% of 32 =
  8. 8.1% of 1800 =
  9. 9.20% of 190 =
  10. 10.50% of 158 =
  11. 11.25% of 80 =
  12. 12.75% of 216 =
  13. 13.1% of 400 =
  14. 14.20% of 420 =
  15. 15.25% of 116 =
  16. 16.25% of 192 =
  17. 17.25% of 48 =
  18. 18.5% of 20 =
  19. 19.75% of 80 =
  20. 20.50% of 62 =
  21. 21.5% of 760 =
  22. 22.50% of 130 =
  23. 23.10% of 470 =
  24. 24.75% of 40 =
  25. 25.20% of 110 =
  26. 26.75% of 228 =
  27. 27.20% of 135 =
  28. 28.10% of 840 =
  29. 29.75% of 232 =
  30. 30.20% of 65 =
  31. 31.20% of 430 =
  32. 32.10% of 350 =
  33. 33.5% of 40 =
  34. 34.1% of 2200 =
  35. 35.75% of 60 =
  36. 36.1% of 1100 =
  37. 37.20% of 305 =
  38. 38.1% of 1600 =
  39. 39.10% of 680 =
  40. 40.5% of 620 =

Answer key

  1. 45
  2. 5
  3. 6
  4. 21
  5. 15
  6. 42
  7. 8
  8. 18
  9. 38
  10. 79
  11. 20
  12. 162
  13. 4
  14. 84
  15. 29
  16. 48
  17. 12
  18. 1
  19. 60
  20. 31
  21. 38
  22. 65
  23. 47
  24. 30
  25. 22
  26. 171
  27. 27
  28. 84
  29. 174
  30. 13
  31. 86
  32. 35
  33. 2
  34. 22
  35. 45
  36. 11
  37. 61
  38. 16
  39. 68
  40. 31

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