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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 530 · 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. 1.1% of 2100 =
  2. 2.75% of 224 =
  3. 3.5% of 340 =
  4. 4.50% of 276 =
  5. 5.10% of 780 =
  6. 6.5% of 80 =
  7. 7.50% of 232 =
  8. 8.25% of 76 =
  9. 9.50% of 292 =
  10. 10.5% of 300 =
  11. 11.10% of 630 =
  12. 12.5% of 720 =
  13. 13.50% of 280 =
  14. 14.75% of 80 =
  15. 15.20% of 85 =
  16. 16.10% of 700 =
  17. 17.20% of 140 =
  18. 18.1% of 1300 =
  19. 19.20% of 70 =
  20. 20.50% of 188 =
  21. 21.75% of 192 =
  22. 22.10% of 670 =
  23. 23.10% of 720 =
  24. 24.5% of 800 =
  25. 25.10% of 740 =
  26. 26.20% of 500 =
  27. 27.1% of 1700 =
  28. 28.10% of 340 =
  29. 29.20% of 135 =
  30. 30.20% of 220 =
  31. 31.20% of 150 =
  32. 32.75% of 52 =
  33. 33.75% of 20 =
  34. 34.10% of 850 =
  35. 35.25% of 204 =
  36. 36.1% of 2300 =
  37. 37.1% of 2000 =
  38. 38.50% of 220 =
  39. 39.20% of 125 =
  40. 40.10% of 60 =

Answer key

  1. 21
  2. 168
  3. 17
  4. 138
  5. 78
  6. 4
  7. 116
  8. 19
  9. 146
  10. 15
  11. 63
  12. 36
  13. 140
  14. 60
  15. 17
  16. 70
  17. 28
  18. 13
  19. 14
  20. 94
  21. 144
  22. 67
  23. 72
  24. 40
  25. 74
  26. 100
  27. 17
  28. 34
  29. 27
  30. 44
  31. 30
  32. 39
  33. 15
  34. 85
  35. 51
  36. 23
  37. 20
  38. 110
  39. 25
  40. 6

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