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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 17 · 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. 1.75% of 180 =
  2. 2.10% of 390 =
  3. 3.5% of 360 =
  4. 4.50% of 212 =
  5. 5.10% of 140 =
  6. 6.5% of 680 =
  7. 7.5% of 660 =
  8. 8.25% of 32 =
  9. 9.25% of 372 =
  10. 10.50% of 122 =
  11. 11.10% of 240 =
  12. 12.10% of 540 =
  13. 13.25% of 28 =
  14. 14.1% of 100 =
  15. 15.25% of 152 =
  16. 16.10% of 380 =
  17. 17.20% of 425 =
  18. 18.1% of 2600 =
  19. 19.25% of 20 =
  20. 20.1% of 1400 =
  21. 21.1% of 1900 =
  22. 22.50% of 232 =
  23. 23.20% of 335 =
  24. 24.20% of 180 =
  25. 25.1% of 800 =
  26. 26.20% of 260 =
  27. 27.5% of 120 =
  28. 28.5% of 580 =
  29. 29.25% of 364 =
  30. 30.75% of 96 =
  31. 31.5% of 720 =
  32. 32.75% of 184 =
  33. 33.50% of 344 =
  34. 34.75% of 12 =
  35. 35.20% of 305 =
  36. 36.5% of 800 =
  37. 37.25% of 72 =
  38. 38.25% of 96 =
  39. 39.25% of 48 =
  40. 40.75% of 228 =

Answer key

  1. 135
  2. 39
  3. 18
  4. 106
  5. 14
  6. 34
  7. 33
  8. 8
  9. 93
  10. 61
  11. 24
  12. 54
  13. 7
  14. 1
  15. 38
  16. 38
  17. 85
  18. 26
  19. 5
  20. 14
  21. 19
  22. 116
  23. 67
  24. 36
  25. 8
  26. 52
  27. 6
  28. 29
  29. 91
  30. 72
  31. 36
  32. 138
  33. 172
  34. 9
  35. 61
  36. 40
  37. 18
  38. 24
  39. 12
  40. 171

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