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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 341 · 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 240 =
  2. 2.10% of 190 =
  3. 3.10% of 790 =
  4. 4.75% of 208 =
  5. 5.50% of 378 =
  6. 6.20% of 410 =
  7. 7.50% of 16 =
  8. 8.5% of 40 =
  9. 9.1% of 300 =
  10. 10.75% of 28 =
  11. 11.75% of 136 =
  12. 12.1% of 1400 =
  13. 13.25% of 332 =
  14. 14.75% of 128 =
  15. 15.50% of 152 =
  16. 16.75% of 72 =
  17. 17.50% of 246 =
  18. 18.25% of 184 =
  19. 19.50% of 166 =
  20. 20.5% of 220 =
  21. 21.25% of 88 =
  22. 22.5% of 620 =
  23. 23.5% of 720 =
  24. 24.5% of 320 =
  25. 25.1% of 1900 =
  26. 26.10% of 660 =
  27. 27.1% of 2200 =
  28. 28.75% of 224 =
  29. 29.5% of 100 =
  30. 30.10% of 90 =
  31. 31.75% of 228 =
  32. 32.25% of 124 =
  33. 33.75% of 156 =
  34. 34.20% of 420 =
  35. 35.5% of 380 =
  36. 36.1% of 400 =
  37. 37.1% of 1500 =
  38. 38.25% of 228 =
  39. 39.5% of 680 =
  40. 40.10% of 890 =

Answer key

  1. 24
  2. 19
  3. 79
  4. 156
  5. 189
  6. 82
  7. 8
  8. 2
  9. 3
  10. 21
  11. 102
  12. 14
  13. 83
  14. 96
  15. 76
  16. 54
  17. 123
  18. 46
  19. 83
  20. 11
  21. 22
  22. 31
  23. 36
  24. 16
  25. 19
  26. 66
  27. 22
  28. 168
  29. 5
  30. 9
  31. 171
  32. 31
  33. 117
  34. 84
  35. 19
  36. 4
  37. 15
  38. 57
  39. 34
  40. 89

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