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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 180 · 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 210 =
  2. 2.50% of 390 =
  3. 3.75% of 80 =
  4. 4.5% of 620 =
  5. 5.1% of 2300 =
  6. 6.10% of 490 =
  7. 7.5% of 40 =
  8. 8.50% of 230 =
  9. 9.75% of 36 =
  10. 10.25% of 284 =
  11. 11.1% of 600 =
  12. 12.10% of 430 =
  13. 13.50% of 78 =
  14. 14.5% of 240 =
  15. 15.50% of 14 =
  16. 16.5% of 360 =
  17. 17.75% of 76 =
  18. 18.25% of 328 =
  19. 19.25% of 104 =
  20. 20.25% of 308 =
  21. 21.1% of 2600 =
  22. 22.1% of 1300 =
  23. 23.5% of 100 =
  24. 24.5% of 80 =
  25. 25.25% of 172 =
  26. 26.75% of 96 =
  27. 27.50% of 276 =
  28. 28.25% of 352 =
  29. 29.1% of 1200 =
  30. 30.75% of 228 =
  31. 31.50% of 196 =
  32. 32.50% of 84 =
  33. 33.75% of 72 =
  34. 34.10% of 660 =
  35. 35.25% of 132 =
  36. 36.5% of 280 =
  37. 37.20% of 390 =
  38. 38.5% of 800 =
  39. 39.1% of 2800 =
  40. 40.25% of 16 =

Answer key

  1. 105
  2. 195
  3. 60
  4. 31
  5. 23
  6. 49
  7. 2
  8. 115
  9. 27
  10. 71
  11. 6
  12. 43
  13. 39
  14. 12
  15. 7
  16. 18
  17. 57
  18. 82
  19. 26
  20. 77
  21. 26
  22. 13
  23. 5
  24. 4
  25. 43
  26. 72
  27. 138
  28. 88
  29. 12
  30. 171
  31. 98
  32. 42
  33. 54
  34. 66
  35. 33
  36. 14
  37. 78
  38. 40
  39. 28
  40. 4

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