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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 821 · 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. 1.10% of 120 =
  2. 2.20% of 50 =
  3. 3.5% of 220 =
  4. 4.5% of 140 =
  5. 5.20% of 485 =
  6. 6.5% of 500 =
  7. 7.25% of 104 =
  8. 8.1% of 3000 =
  9. 9.25% of 196 =
  10. 10.10% of 380 =
  11. 11.1% of 400 =
  12. 12.5% of 20 =
  13. 13.50% of 374 =
  14. 14.20% of 380 =
  15. 15.5% of 80 =
  16. 16.50% of 338 =
  17. 17.20% of 490 =
  18. 18.1% of 700 =
  19. 19.5% of 520 =
  20. 20.50% of 420 =
  21. 21.50% of 340 =
  22. 22.5% of 120 =
  23. 23.20% of 425 =
  24. 24.25% of 336 =
  25. 25.50% of 404 =
  26. 26.75% of 232 =
  27. 27.50% of 64 =
  28. 28.75% of 64 =
  29. 29.10% of 160 =
  30. 30.50% of 66 =
  31. 31.10% of 80 =
  32. 32.10% of 200 =
  33. 33.50% of 408 =
  34. 34.25% of 264 =
  35. 35.5% of 560 =
  36. 36.75% of 144 =
  37. 37.25% of 352 =
  38. 38.1% of 2400 =
  39. 39.75% of 12 =
  40. 40.50% of 110 =

Answer key

  1. 12
  2. 10
  3. 11
  4. 7
  5. 97
  6. 25
  7. 26
  8. 30
  9. 49
  10. 38
  11. 4
  12. 1
  13. 187
  14. 76
  15. 4
  16. 169
  17. 98
  18. 7
  19. 26
  20. 210
  21. 170
  22. 6
  23. 85
  24. 84
  25. 202
  26. 174
  27. 32
  28. 48
  29. 16
  30. 33
  31. 8
  32. 20
  33. 204
  34. 66
  35. 28
  36. 108
  37. 88
  38. 24
  39. 9
  40. 55

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