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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 465 · 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 420 =
  2. 2.10% of 410 =
  3. 3.50% of 104 =
  4. 4.20% of 170 =
  5. 5.5% of 140 =
  6. 6.20% of 330 =
  7. 7.75% of 168 =
  8. 8.5% of 40 =
  9. 9.25% of 72 =
  10. 10.25% of 88 =
  11. 11.10% of 840 =
  12. 12.1% of 2900 =
  13. 13.50% of 434 =
  14. 14.75% of 184 =
  15. 15.10% of 780 =
  16. 16.25% of 148 =
  17. 17.1% of 800 =
  18. 18.1% of 400 =
  19. 19.10% of 160 =
  20. 20.10% of 100 =
  21. 21.5% of 580 =
  22. 22.1% of 2300 =
  23. 23.1% of 1700 =
  24. 24.1% of 2400 =
  25. 25.50% of 30 =
  26. 26.50% of 392 =
  27. 27.25% of 232 =
  28. 28.20% of 50 =
  29. 29.20% of 120 =
  30. 30.25% of 376 =
  31. 31.10% of 870 =
  32. 32.25% of 240 =
  33. 33.1% of 200 =
  34. 34.5% of 180 =
  35. 35.25% of 116 =
  36. 36.50% of 378 =
  37. 37.75% of 56 =
  38. 38.75% of 36 =
  39. 39.25% of 256 =
  40. 40.1% of 1600 =

Answer key

  1. 42
  2. 41
  3. 52
  4. 34
  5. 7
  6. 66
  7. 126
  8. 2
  9. 18
  10. 22
  11. 84
  12. 29
  13. 217
  14. 138
  15. 78
  16. 37
  17. 8
  18. 4
  19. 16
  20. 10
  21. 29
  22. 23
  23. 17
  24. 24
  25. 15
  26. 196
  27. 58
  28. 10
  29. 24
  30. 94
  31. 87
  32. 60
  33. 2
  34. 9
  35. 29
  36. 189
  37. 42
  38. 27
  39. 64
  40. 16

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