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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 117 · 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. 1.50% of 70 =
  2. 2.1% of 2100 =
  3. 3.50% of 214 =
  4. 4.10% of 400 =
  5. 5.1% of 2800 =
  6. 6.10% of 120 =
  7. 7.10% of 660 =
  8. 8.50% of 478 =
  9. 9.10% of 590 =
  10. 10.50% of 246 =
  11. 11.75% of 76 =
  12. 12.10% of 80 =
  13. 13.10% of 270 =
  14. 14.25% of 340 =
  15. 15.25% of 384 =
  16. 16.75% of 188 =
  17. 17.50% of 344 =
  18. 18.20% of 275 =
  19. 19.25% of 44 =
  20. 20.1% of 2300 =
  21. 21.5% of 500 =
  22. 22.1% of 600 =
  23. 23.10% of 670 =
  24. 24.25% of 164 =
  25. 25.1% of 200 =
  26. 26.5% of 320 =
  27. 27.1% of 2900 =
  28. 28.20% of 470 =
  29. 29.10% of 840 =
  30. 30.25% of 188 =
  31. 31.75% of 196 =
  32. 32.5% of 280 =
  33. 33.10% of 390 =
  34. 34.75% of 52 =
  35. 35.50% of 248 =
  36. 36.10% of 140 =
  37. 37.10% of 800 =
  38. 38.1% of 2600 =
  39. 39.50% of 72 =
  40. 40.10% of 560 =

Answer key

  1. 35
  2. 21
  3. 107
  4. 40
  5. 28
  6. 12
  7. 66
  8. 239
  9. 59
  10. 123
  11. 57
  12. 8
  13. 27
  14. 85
  15. 96
  16. 141
  17. 172
  18. 55
  19. 11
  20. 23
  21. 25
  22. 6
  23. 67
  24. 41
  25. 2
  26. 16
  27. 29
  28. 94
  29. 84
  30. 47
  31. 147
  32. 14
  33. 39
  34. 39
  35. 124
  36. 14
  37. 80
  38. 26
  39. 36
  40. 56

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