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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 861 · 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. 1.20% of 285 =
  2. 2.10% of 720 =
  3. 3.10% of 210 =
  4. 4.10% of 890 =
  5. 5.50% of 292 =
  6. 6.10% of 690 =
  7. 7.20% of 160 =
  8. 8.50% of 304 =
  9. 9.10% of 390 =
  10. 10.5% of 40 =
  11. 11.1% of 1900 =
  12. 12.1% of 2700 =
  13. 13.20% of 365 =
  14. 14.10% of 20 =
  15. 15.75% of 104 =
  16. 16.20% of 75 =
  17. 17.1% of 700 =
  18. 18.50% of 490 =
  19. 19.20% of 30 =
  20. 20.20% of 25 =
  21. 21.5% of 580 =
  22. 22.20% of 235 =
  23. 23.1% of 1700 =
  24. 24.10% of 640 =
  25. 25.50% of 56 =
  26. 26.10% of 630 =
  27. 27.1% of 2800 =
  28. 28.1% of 800 =
  29. 29.5% of 780 =
  30. 30.1% of 900 =
  31. 31.75% of 128 =
  32. 32.50% of 214 =
  33. 33.20% of 95 =
  34. 34.50% of 34 =
  35. 35.20% of 20 =
  36. 36.20% of 445 =
  37. 37.75% of 16 =
  38. 38.75% of 68 =
  39. 39.5% of 680 =
  40. 40.10% of 40 =

Answer key

  1. 57
  2. 72
  3. 21
  4. 89
  5. 146
  6. 69
  7. 32
  8. 152
  9. 39
  10. 2
  11. 19
  12. 27
  13. 73
  14. 2
  15. 78
  16. 15
  17. 7
  18. 245
  19. 6
  20. 5
  21. 29
  22. 47
  23. 17
  24. 64
  25. 28
  26. 63
  27. 28
  28. 8
  29. 39
  30. 9
  31. 96
  32. 107
  33. 19
  34. 17
  35. 4
  36. 89
  37. 12
  38. 51
  39. 34
  40. 4

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