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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 920 · 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 420 =
  2. 2.1% of 2100 =
  3. 3.5% of 260 =
  4. 4.1% of 2400 =
  5. 5.50% of 24 =
  6. 6.50% of 102 =
  7. 7.50% of 244 =
  8. 8.20% of 420 =
  9. 9.20% of 445 =
  10. 10.25% of 276 =
  11. 11.50% of 142 =
  12. 12.10% of 30 =
  13. 13.75% of 76 =
  14. 14.75% of 52 =
  15. 15.10% of 580 =
  16. 16.10% of 70 =
  17. 17.1% of 1000 =
  18. 18.5% of 480 =
  19. 19.5% of 720 =
  20. 20.50% of 414 =
  21. 21.10% of 750 =
  22. 22.5% of 100 =
  23. 23.10% of 670 =
  24. 24.10% of 470 =
  25. 25.5% of 400 =
  26. 26.25% of 44 =
  27. 27.1% of 1600 =
  28. 28.10% of 730 =
  29. 29.20% of 215 =
  30. 30.75% of 136 =
  31. 31.50% of 360 =
  32. 32.75% of 240 =
  33. 33.50% of 68 =
  34. 34.20% of 190 =
  35. 35.50% of 34 =
  36. 36.5% of 220 =
  37. 37.25% of 92 =
  38. 38.10% of 120 =
  39. 39.50% of 82 =
  40. 40.75% of 168 =

Answer key

  1. 42
  2. 21
  3. 13
  4. 24
  5. 12
  6. 51
  7. 122
  8. 84
  9. 89
  10. 69
  11. 71
  12. 3
  13. 57
  14. 39
  15. 58
  16. 7
  17. 10
  18. 24
  19. 36
  20. 207
  21. 75
  22. 5
  23. 67
  24. 47
  25. 20
  26. 11
  27. 16
  28. 73
  29. 43
  30. 102
  31. 180
  32. 180
  33. 34
  34. 38
  35. 17
  36. 11
  37. 23
  38. 12
  39. 41
  40. 126

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