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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 24 · 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 40 =
  2. 2.75% of 108 =
  3. 3.10% of 530 =
  4. 4.20% of 390 =
  5. 5.1% of 500 =
  6. 6.20% of 145 =
  7. 7.50% of 220 =
  8. 8.25% of 216 =
  9. 9.25% of 208 =
  10. 10.20% of 75 =
  11. 11.20% of 460 =
  12. 12.25% of 16 =
  13. 13.25% of 88 =
  14. 14.75% of 128 =
  15. 15.20% of 255 =
  16. 16.20% of 500 =
  17. 17.20% of 435 =
  18. 18.50% of 198 =
  19. 19.10% of 490 =
  20. 20.20% of 425 =
  21. 21.20% of 445 =
  22. 22.1% of 100 =
  23. 23.20% of 115 =
  24. 24.20% of 260 =
  25. 25.75% of 52 =
  26. 26.75% of 12 =
  27. 27.75% of 140 =
  28. 28.5% of 220 =
  29. 29.5% of 180 =
  30. 30.75% of 88 =
  31. 31.25% of 196 =
  32. 32.1% of 1200 =
  33. 33.5% of 800 =
  34. 34.75% of 148 =
  35. 35.1% of 1100 =
  36. 36.5% of 540 =
  37. 37.25% of 116 =
  38. 38.75% of 28 =
  39. 39.20% of 165 =
  40. 40.75% of 228 =

Answer key

  1. 4
  2. 81
  3. 53
  4. 78
  5. 5
  6. 29
  7. 110
  8. 54
  9. 52
  10. 15
  11. 92
  12. 4
  13. 22
  14. 96
  15. 51
  16. 100
  17. 87
  18. 99
  19. 49
  20. 85
  21. 89
  22. 1
  23. 23
  24. 52
  25. 39
  26. 9
  27. 105
  28. 11
  29. 9
  30. 66
  31. 49
  32. 12
  33. 40
  34. 111
  35. 11
  36. 27
  37. 29
  38. 21
  39. 33
  40. 171

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