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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 2 · 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. 1.5% of 680 =
  2. 2.1% of 1800 =
  3. 3.5% of 160 =
  4. 4.75% of 228 =
  5. 5.10% of 320 =
  6. 6.75% of 168 =
  7. 7.20% of 120 =
  8. 8.1% of 1700 =
  9. 9.10% of 250 =
  10. 10.50% of 194 =
  11. 11.75% of 124 =
  12. 12.5% of 260 =
  13. 13.25% of 108 =
  14. 14.75% of 136 =
  15. 15.1% of 2200 =
  16. 16.1% of 1400 =
  17. 17.1% of 1900 =
  18. 18.1% of 1200 =
  19. 19.75% of 240 =
  20. 20.75% of 92 =
  21. 21.1% of 2000 =
  22. 22.1% of 800 =
  23. 23.10% of 310 =
  24. 24.25% of 76 =
  25. 25.20% of 455 =
  26. 26.5% of 180 =
  27. 27.1% of 500 =
  28. 28.5% of 640 =
  29. 29.10% of 30 =
  30. 30.75% of 220 =
  31. 31.50% of 314 =
  32. 32.75% of 20 =
  33. 33.1% of 2300 =
  34. 34.20% of 95 =
  35. 35.25% of 88 =
  36. 36.25% of 100 =
  37. 37.10% of 70 =
  38. 38.50% of 462 =
  39. 39.5% of 420 =
  40. 40.25% of 80 =

Answer key

  1. 34
  2. 18
  3. 8
  4. 171
  5. 32
  6. 126
  7. 24
  8. 17
  9. 25
  10. 97
  11. 93
  12. 13
  13. 27
  14. 102
  15. 22
  16. 14
  17. 19
  18. 12
  19. 180
  20. 69
  21. 20
  22. 8
  23. 31
  24. 19
  25. 91
  26. 9
  27. 5
  28. 32
  29. 3
  30. 165
  31. 157
  32. 15
  33. 23
  34. 19
  35. 22
  36. 25
  37. 7
  38. 231
  39. 21
  40. 20

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