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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 7 · 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 230 =
  2. 2.10% of 660 =
  3. 3.50% of 352 =
  4. 4.1% of 1200 =
  5. 5.25% of 36 =
  6. 6.50% of 262 =
  7. 7.20% of 130 =
  8. 8.10% of 480 =
  9. 9.5% of 680 =
  10. 10.10% of 680 =
  11. 11.1% of 2900 =
  12. 12.75% of 136 =
  13. 13.5% of 120 =
  14. 14.5% of 780 =
  15. 15.75% of 12 =
  16. 16.75% of 76 =
  17. 17.20% of 100 =
  18. 18.5% of 320 =
  19. 19.10% of 760 =
  20. 20.50% of 80 =
  21. 21.50% of 500 =
  22. 22.20% of 410 =
  23. 23.1% of 300 =
  24. 24.1% of 1500 =
  25. 25.5% of 100 =
  26. 26.1% of 900 =
  27. 27.25% of 312 =
  28. 28.25% of 28 =
  29. 29.25% of 144 =
  30. 30.5% of 200 =
  31. 31.1% of 3000 =
  32. 32.50% of 322 =
  33. 33.1% of 2200 =
  34. 34.50% of 124 =
  35. 35.50% of 106 =
  36. 36.50% of 244 =
  37. 37.10% of 610 =
  38. 38.50% of 178 =
  39. 39.75% of 208 =
  40. 40.20% of 260 =

Answer key

  1. 23
  2. 66
  3. 176
  4. 12
  5. 9
  6. 131
  7. 26
  8. 48
  9. 34
  10. 68
  11. 29
  12. 102
  13. 6
  14. 39
  15. 9
  16. 57
  17. 20
  18. 16
  19. 76
  20. 40
  21. 250
  22. 82
  23. 3
  24. 15
  25. 5
  26. 9
  27. 78
  28. 7
  29. 36
  30. 10
  31. 30
  32. 161
  33. 22
  34. 62
  35. 53
  36. 122
  37. 61
  38. 89
  39. 156
  40. 52

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