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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 313 · 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 820 =
  2. 2.10% of 190 =
  3. 3.50% of 40 =
  4. 4.50% of 110 =
  5. 5.75% of 28 =
  6. 6.20% of 135 =
  7. 7.25% of 64 =
  8. 8.5% of 120 =
  9. 9.25% of 208 =
  10. 10.75% of 80 =
  11. 11.10% of 270 =
  12. 12.25% of 312 =
  13. 13.20% of 45 =
  14. 14.50% of 38 =
  15. 15.1% of 1600 =
  16. 16.5% of 280 =
  17. 17.10% of 510 =
  18. 18.25% of 56 =
  19. 19.20% of 285 =
  20. 20.20% of 230 =
  21. 21.75% of 176 =
  22. 22.25% of 92 =
  23. 23.50% of 318 =
  24. 24.20% of 265 =
  25. 25.10% of 680 =
  26. 26.5% of 100 =
  27. 27.1% of 700 =
  28. 28.75% of 216 =
  29. 29.5% of 260 =
  30. 30.1% of 1700 =
  31. 31.20% of 20 =
  32. 32.10% of 550 =
  33. 33.20% of 300 =
  34. 34.50% of 42 =
  35. 35.10% of 120 =
  36. 36.5% of 220 =
  37. 37.25% of 400 =
  38. 38.50% of 154 =
  39. 39.1% of 300 =
  40. 40.10% of 250 =

Answer key

  1. 82
  2. 19
  3. 20
  4. 55
  5. 21
  6. 27
  7. 16
  8. 6
  9. 52
  10. 60
  11. 27
  12. 78
  13. 9
  14. 19
  15. 16
  16. 14
  17. 51
  18. 14
  19. 57
  20. 46
  21. 132
  22. 23
  23. 159
  24. 53
  25. 68
  26. 5
  27. 7
  28. 162
  29. 13
  30. 17
  31. 4
  32. 55
  33. 60
  34. 21
  35. 12
  36. 11
  37. 100
  38. 77
  39. 3
  40. 25

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