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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 652 · 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 170 =
  2. 2.1% of 1800 =
  3. 3.10% of 260 =
  4. 4.20% of 260 =
  5. 5.5% of 560 =
  6. 6.1% of 800 =
  7. 7.25% of 28 =
  8. 8.20% of 140 =
  9. 9.5% of 20 =
  10. 10.20% of 455 =
  11. 11.50% of 58 =
  12. 12.25% of 92 =
  13. 13.50% of 56 =
  14. 14.50% of 12 =
  15. 15.5% of 720 =
  16. 16.1% of 1200 =
  17. 17.5% of 420 =
  18. 18.20% of 485 =
  19. 19.50% of 424 =
  20. 20.75% of 92 =
  21. 21.5% of 220 =
  22. 22.5% of 320 =
  23. 23.10% of 200 =
  24. 24.75% of 132 =
  25. 25.50% of 324 =
  26. 26.25% of 52 =
  27. 27.75% of 136 =
  28. 28.10% of 390 =
  29. 29.20% of 335 =
  30. 30.75% of 196 =
  31. 31.5% of 660 =
  32. 32.25% of 324 =
  33. 33.10% of 690 =
  34. 34.5% of 760 =
  35. 35.25% of 60 =
  36. 36.50% of 308 =
  37. 37.25% of 196 =
  38. 38.1% of 1400 =
  39. 39.10% of 140 =
  40. 40.1% of 2500 =

Answer key

  1. 17
  2. 18
  3. 26
  4. 52
  5. 28
  6. 8
  7. 7
  8. 28
  9. 1
  10. 91
  11. 29
  12. 23
  13. 28
  14. 6
  15. 36
  16. 12
  17. 21
  18. 97
  19. 212
  20. 69
  21. 11
  22. 16
  23. 20
  24. 99
  25. 162
  26. 13
  27. 102
  28. 39
  29. 67
  30. 147
  31. 33
  32. 81
  33. 69
  34. 38
  35. 15
  36. 154
  37. 49
  38. 14
  39. 14
  40. 25

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