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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 503 · 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. 1.50% of 410 =
  2. 2.10% of 780 =
  3. 3.5% of 440 =
  4. 4.10% of 730 =
  5. 5.5% of 100 =
  6. 6.75% of 176 =
  7. 7.25% of 312 =
  8. 8.75% of 180 =
  9. 9.75% of 120 =
  10. 10.75% of 144 =
  11. 11.5% of 80 =
  12. 12.75% of 136 =
  13. 13.25% of 40 =
  14. 14.1% of 500 =
  15. 15.10% of 520 =
  16. 16.1% of 700 =
  17. 17.25% of 276 =
  18. 18.50% of 272 =
  19. 19.50% of 96 =
  20. 20.20% of 115 =
  21. 21.10% of 640 =
  22. 22.50% of 470 =
  23. 23.75% of 24 =
  24. 24.50% of 48 =
  25. 25.20% of 390 =
  26. 26.20% of 225 =
  27. 27.20% of 110 =
  28. 28.5% of 640 =
  29. 29.10% of 540 =
  30. 30.10% of 220 =
  31. 31.50% of 288 =
  32. 32.1% of 2800 =
  33. 33.25% of 376 =
  34. 34.25% of 24 =
  35. 35.10% of 510 =
  36. 36.5% of 240 =
  37. 37.10% of 380 =
  38. 38.5% of 600 =
  39. 39.75% of 32 =
  40. 40.5% of 120 =

Answer key

  1. 205
  2. 78
  3. 22
  4. 73
  5. 5
  6. 132
  7. 78
  8. 135
  9. 90
  10. 108
  11. 4
  12. 102
  13. 10
  14. 5
  15. 52
  16. 7
  17. 69
  18. 136
  19. 48
  20. 23
  21. 64
  22. 235
  23. 18
  24. 24
  25. 78
  26. 45
  27. 22
  28. 32
  29. 54
  30. 22
  31. 144
  32. 28
  33. 94
  34. 6
  35. 51
  36. 12
  37. 38
  38. 30
  39. 24
  40. 6

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