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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 381 · 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 192 =
  2. 2.10% of 770 =
  3. 3.20% of 430 =
  4. 4.50% of 90 =
  5. 5.5% of 20 =
  6. 6.50% of 436 =
  7. 7.25% of 248 =
  8. 8.10% of 90 =
  9. 9.1% of 600 =
  10. 10.20% of 20 =
  11. 11.25% of 172 =
  12. 12.20% of 75 =
  13. 13.50% of 300 =
  14. 14.25% of 176 =
  15. 15.1% of 500 =
  16. 16.20% of 470 =
  17. 17.10% of 660 =
  18. 18.1% of 800 =
  19. 19.25% of 108 =
  20. 20.5% of 380 =
  21. 21.10% of 170 =
  22. 22.1% of 2300 =
  23. 23.10% of 420 =
  24. 24.25% of 132 =
  25. 25.75% of 60 =
  26. 26.1% of 2600 =
  27. 27.20% of 140 =
  28. 28.20% of 330 =
  29. 29.50% of 228 =
  30. 30.75% of 20 =
  31. 31.50% of 54 =
  32. 32.75% of 80 =
  33. 33.25% of 148 =
  34. 34.10% of 190 =
  35. 35.25% of 128 =
  36. 36.20% of 410 =
  37. 37.5% of 340 =
  38. 38.5% of 140 =
  39. 39.20% of 395 =
  40. 40.50% of 414 =

Answer key

  1. 144
  2. 77
  3. 86
  4. 45
  5. 1
  6. 218
  7. 62
  8. 9
  9. 6
  10. 4
  11. 43
  12. 15
  13. 150
  14. 44
  15. 5
  16. 94
  17. 66
  18. 8
  19. 27
  20. 19
  21. 17
  22. 23
  23. 42
  24. 33
  25. 45
  26. 26
  27. 28
  28. 66
  29. 114
  30. 15
  31. 27
  32. 60
  33. 37
  34. 19
  35. 32
  36. 82
  37. 17
  38. 7
  39. 79
  40. 207

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