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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 633 · 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 308 =
  2. 2.75% of 220 =
  3. 3.1% of 3000 =
  4. 4.75% of 148 =
  5. 5.5% of 620 =
  6. 6.25% of 40 =
  7. 7.25% of 372 =
  8. 8.75% of 176 =
  9. 9.10% of 850 =
  10. 10.1% of 2100 =
  11. 11.25% of 12 =
  12. 12.5% of 180 =
  13. 13.1% of 1500 =
  14. 14.20% of 160 =
  15. 15.20% of 135 =
  16. 16.75% of 64 =
  17. 17.5% of 600 =
  18. 18.1% of 100 =
  19. 19.10% of 720 =
  20. 20.1% of 1300 =
  21. 21.20% of 305 =
  22. 22.5% of 480 =
  23. 23.10% of 200 =
  24. 24.5% of 40 =
  25. 25.50% of 76 =
  26. 26.20% of 235 =
  27. 27.1% of 1100 =
  28. 28.5% of 580 =
  29. 29.75% of 124 =
  30. 30.50% of 384 =
  31. 31.50% of 122 =
  32. 32.75% of 116 =
  33. 33.25% of 172 =
  34. 34.10% of 220 =
  35. 35.25% of 204 =
  36. 36.10% of 180 =
  37. 37.10% of 290 =
  38. 38.1% of 2400 =
  39. 39.10% of 170 =
  40. 40.10% of 20 =

Answer key

  1. 154
  2. 165
  3. 30
  4. 111
  5. 31
  6. 10
  7. 93
  8. 132
  9. 85
  10. 21
  11. 3
  12. 9
  13. 15
  14. 32
  15. 27
  16. 48
  17. 30
  18. 1
  19. 72
  20. 13
  21. 61
  22. 24
  23. 20
  24. 2
  25. 38
  26. 47
  27. 11
  28. 29
  29. 93
  30. 192
  31. 61
  32. 87
  33. 43
  34. 22
  35. 51
  36. 18
  37. 29
  38. 24
  39. 17
  40. 2

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