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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 419 · 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 85 =
  2. 2.1% of 3000 =
  3. 3.1% of 2100 =
  4. 4.20% of 65 =
  5. 5.50% of 38 =
  6. 6.10% of 100 =
  7. 7.10% of 700 =
  8. 8.5% of 280 =
  9. 9.1% of 200 =
  10. 10.5% of 720 =
  11. 11.1% of 1400 =
  12. 12.50% of 198 =
  13. 13.20% of 235 =
  14. 14.10% of 610 =
  15. 15.10% of 90 =
  16. 16.10% of 570 =
  17. 17.10% of 830 =
  18. 18.50% of 62 =
  19. 19.10% of 550 =
  20. 20.10% of 300 =
  21. 21.10% of 260 =
  22. 22.5% of 480 =
  23. 23.25% of 140 =
  24. 24.5% of 40 =
  25. 25.50% of 262 =
  26. 26.5% of 100 =
  27. 27.75% of 108 =
  28. 28.1% of 1200 =
  29. 29.75% of 64 =
  30. 30.75% of 192 =
  31. 31.25% of 380 =
  32. 32.50% of 268 =
  33. 33.20% of 325 =
  34. 34.50% of 156 =
  35. 35.5% of 120 =
  36. 36.1% of 2400 =
  37. 37.25% of 204 =
  38. 38.1% of 700 =
  39. 39.25% of 364 =
  40. 40.10% of 330 =

Answer key

  1. 17
  2. 30
  3. 21
  4. 13
  5. 19
  6. 10
  7. 70
  8. 14
  9. 2
  10. 36
  11. 14
  12. 99
  13. 47
  14. 61
  15. 9
  16. 57
  17. 83
  18. 31
  19. 55
  20. 30
  21. 26
  22. 24
  23. 35
  24. 2
  25. 131
  26. 5
  27. 81
  28. 12
  29. 48
  30. 144
  31. 95
  32. 134
  33. 65
  34. 78
  35. 6
  36. 24
  37. 51
  38. 7
  39. 91
  40. 33

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