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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 800 · 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 650 =
  2. 2.1% of 2400 =
  3. 3.5% of 620 =
  4. 4.10% of 630 =
  5. 5.5% of 280 =
  6. 6.50% of 158 =
  7. 7.5% of 80 =
  8. 8.1% of 3000 =
  9. 9.1% of 100 =
  10. 10.25% of 200 =
  11. 11.25% of 156 =
  12. 12.25% of 176 =
  13. 13.5% of 480 =
  14. 14.20% of 110 =
  15. 15.10% of 60 =
  16. 16.75% of 52 =
  17. 17.5% of 800 =
  18. 18.75% of 100 =
  19. 19.10% of 220 =
  20. 20.1% of 900 =
  21. 21.50% of 312 =
  22. 22.75% of 40 =
  23. 23.10% of 180 =
  24. 24.25% of 304 =
  25. 25.10% of 250 =
  26. 26.10% of 450 =
  27. 27.25% of 16 =
  28. 28.1% of 700 =
  29. 29.25% of 12 =
  30. 30.50% of 486 =
  31. 31.50% of 386 =
  32. 32.25% of 324 =
  33. 33.10% of 470 =
  34. 34.1% of 1600 =
  35. 35.20% of 330 =
  36. 36.25% of 372 =
  37. 37.10% of 510 =
  38. 38.5% of 20 =
  39. 39.1% of 1500 =
  40. 40.5% of 220 =

Answer key

  1. 65
  2. 24
  3. 31
  4. 63
  5. 14
  6. 79
  7. 4
  8. 30
  9. 1
  10. 50
  11. 39
  12. 44
  13. 24
  14. 22
  15. 6
  16. 39
  17. 40
  18. 75
  19. 22
  20. 9
  21. 156
  22. 30
  23. 18
  24. 76
  25. 25
  26. 45
  27. 4
  28. 7
  29. 3
  30. 243
  31. 193
  32. 81
  33. 47
  34. 16
  35. 66
  36. 93
  37. 51
  38. 1
  39. 15
  40. 11

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