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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 570 · 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. 1.25% of 308 =
  2. 2.5% of 440 =
  3. 3.5% of 320 =
  4. 4.1% of 2600 =
  5. 5.10% of 220 =
  6. 6.5% of 400 =
  7. 7.75% of 68 =
  8. 8.20% of 60 =
  9. 9.25% of 180 =
  10. 10.50% of 52 =
  11. 11.1% of 1400 =
  12. 12.5% of 100 =
  13. 13.10% of 810 =
  14. 14.20% of 350 =
  15. 15.50% of 132 =
  16. 16.25% of 376 =
  17. 17.1% of 900 =
  18. 18.1% of 1500 =
  19. 19.50% of 252 =
  20. 20.20% of 85 =
  21. 21.1% of 2800 =
  22. 22.50% of 344 =
  23. 23.50% of 22 =
  24. 24.50% of 338 =
  25. 25.25% of 96 =
  26. 26.20% of 40 =
  27. 27.50% of 106 =
  28. 28.20% of 20 =
  29. 29.20% of 70 =
  30. 30.50% of 318 =
  31. 31.5% of 80 =
  32. 32.10% of 460 =
  33. 33.5% of 480 =
  34. 34.10% of 110 =
  35. 35.20% of 430 =
  36. 36.20% of 90 =
  37. 37.25% of 120 =
  38. 38.25% of 316 =
  39. 39.50% of 294 =
  40. 40.10% of 720 =

Answer key

  1. 77
  2. 22
  3. 16
  4. 26
  5. 22
  6. 20
  7. 51
  8. 12
  9. 45
  10. 26
  11. 14
  12. 5
  13. 81
  14. 70
  15. 66
  16. 94
  17. 9
  18. 15
  19. 126
  20. 17
  21. 28
  22. 172
  23. 11
  24. 169
  25. 24
  26. 8
  27. 53
  28. 4
  29. 14
  30. 159
  31. 4
  32. 46
  33. 24
  34. 11
  35. 86
  36. 18
  37. 30
  38. 79
  39. 147
  40. 72

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