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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 429 · 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. 1.25% of 340 =
  2. 2.5% of 220 =
  3. 3.10% of 30 =
  4. 4.1% of 900 =
  5. 5.25% of 236 =
  6. 6.75% of 224 =
  7. 7.1% of 2400 =
  8. 8.5% of 380 =
  9. 9.10% of 260 =
  10. 10.1% of 1400 =
  11. 11.5% of 260 =
  12. 12.25% of 272 =
  13. 13.1% of 600 =
  14. 14.10% of 250 =
  15. 15.20% of 445 =
  16. 16.10% of 110 =
  17. 17.5% of 140 =
  18. 18.10% of 650 =
  19. 19.25% of 148 =
  20. 20.20% of 60 =
  21. 21.50% of 142 =
  22. 22.5% of 640 =
  23. 23.1% of 1800 =
  24. 24.5% of 520 =
  25. 25.5% of 80 =
  26. 26.25% of 24 =
  27. 27.50% of 438 =
  28. 28.50% of 366 =
  29. 29.75% of 220 =
  30. 30.75% of 208 =
  31. 31.50% of 94 =
  32. 32.50% of 44 =
  33. 33.25% of 160 =
  34. 34.75% of 20 =
  35. 35.5% of 800 =
  36. 36.25% of 252 =
  37. 37.25% of 300 =
  38. 38.10% of 230 =
  39. 39.10% of 860 =
  40. 40.20% of 100 =

Answer key

  1. 85
  2. 11
  3. 3
  4. 9
  5. 59
  6. 168
  7. 24
  8. 19
  9. 26
  10. 14
  11. 13
  12. 68
  13. 6
  14. 25
  15. 89
  16. 11
  17. 7
  18. 65
  19. 37
  20. 12
  21. 71
  22. 32
  23. 18
  24. 26
  25. 4
  26. 6
  27. 219
  28. 183
  29. 165
  30. 156
  31. 47
  32. 22
  33. 40
  34. 15
  35. 40
  36. 63
  37. 75
  38. 23
  39. 86
  40. 20

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