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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 484 · 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. 2.20% of 280 =
  3. 3.50% of 446 =
  4. 4.20% of 80 =
  5. 5.20% of 15 =
  6. 6.25% of 340 =
  7. 7.1% of 2300 =
  8. 8.25% of 284 =
  9. 9.75% of 24 =
  10. 10.75% of 60 =
  11. 11.1% of 500 =
  12. 12.75% of 224 =
  13. 13.5% of 160 =
  14. 14.75% of 12 =
  15. 15.25% of 24 =
  16. 16.10% of 500 =
  17. 17.20% of 75 =
  18. 18.50% of 496 =
  19. 19.75% of 84 =
  20. 20.1% of 2400 =
  21. 21.50% of 408 =
  22. 22.5% of 740 =
  23. 23.25% of 96 =
  24. 24.75% of 36 =
  25. 25.5% of 700 =
  26. 26.50% of 164 =
  27. 27.1% of 200 =
  28. 28.25% of 64 =
  29. 29.10% of 630 =
  30. 30.75% of 56 =
  31. 31.75% of 64 =
  32. 32.75% of 72 =
  33. 33.10% of 820 =
  34. 34.50% of 200 =
  35. 35.20% of 310 =
  36. 36.25% of 248 =
  37. 37.25% of 72 =
  38. 38.50% of 138 =
  39. 39.20% of 350 =
  40. 40.75% of 68 =

Answer key

  1. 42
  2. 56
  3. 223
  4. 16
  5. 3
  6. 85
  7. 23
  8. 71
  9. 18
  10. 45
  11. 5
  12. 168
  13. 8
  14. 9
  15. 6
  16. 50
  17. 15
  18. 248
  19. 63
  20. 24
  21. 204
  22. 37
  23. 24
  24. 27
  25. 35
  26. 82
  27. 2
  28. 16
  29. 63
  30. 42
  31. 48
  32. 54
  33. 82
  34. 100
  35. 62
  36. 62
  37. 18
  38. 69
  39. 70
  40. 51

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