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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 343 · 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 490 =
  2. 2.5% of 800 =
  3. 3.20% of 280 =
  4. 4.5% of 560 =
  5. 5.5% of 360 =
  6. 6.1% of 100 =
  7. 7.50% of 362 =
  8. 8.10% of 660 =
  9. 9.75% of 140 =
  10. 10.1% of 1300 =
  11. 11.20% of 425 =
  12. 12.20% of 90 =
  13. 13.20% of 180 =
  14. 14.50% of 50 =
  15. 15.25% of 68 =
  16. 16.75% of 228 =
  17. 17.5% of 60 =
  18. 18.75% of 72 =
  19. 19.25% of 332 =
  20. 20.75% of 36 =
  21. 21.1% of 1700 =
  22. 22.20% of 70 =
  23. 23.5% of 520 =
  24. 24.75% of 12 =
  25. 25.50% of 320 =
  26. 26.50% of 410 =
  27. 27.5% of 420 =
  28. 28.50% of 94 =
  29. 29.5% of 20 =
  30. 30.25% of 292 =
  31. 31.1% of 1800 =
  32. 32.20% of 350 =
  33. 33.50% of 358 =
  34. 34.75% of 192 =
  35. 35.20% of 305 =
  36. 36.50% of 442 =
  37. 37.75% of 188 =
  38. 38.20% of 375 =
  39. 39.5% of 500 =
  40. 40.20% of 270 =

Answer key

  1. 49
  2. 40
  3. 56
  4. 28
  5. 18
  6. 1
  7. 181
  8. 66
  9. 105
  10. 13
  11. 85
  12. 18
  13. 36
  14. 25
  15. 17
  16. 171
  17. 3
  18. 54
  19. 83
  20. 27
  21. 17
  22. 14
  23. 26
  24. 9
  25. 160
  26. 205
  27. 21
  28. 47
  29. 1
  30. 73
  31. 18
  32. 70
  33. 179
  34. 144
  35. 61
  36. 221
  37. 141
  38. 75
  39. 25
  40. 54

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