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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 924 · 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. 1.1% of 2100 =
  2. 2.10% of 870 =
  3. 3.50% of 442 =
  4. 4.10% of 690 =
  5. 5.20% of 245 =
  6. 6.1% of 2800 =
  7. 7.5% of 500 =
  8. 8.20% of 125 =
  9. 9.50% of 166 =
  10. 10.5% of 180 =
  11. 11.75% of 100 =
  12. 12.50% of 230 =
  13. 13.1% of 1800 =
  14. 14.10% of 900 =
  15. 15.25% of 332 =
  16. 16.10% of 380 =
  17. 17.1% of 1700 =
  18. 18.25% of 192 =
  19. 19.1% of 2300 =
  20. 20.75% of 228 =
  21. 21.25% of 132 =
  22. 22.1% of 1200 =
  23. 23.20% of 395 =
  24. 24.20% of 385 =
  25. 25.25% of 36 =
  26. 26.20% of 370 =
  27. 27.5% of 240 =
  28. 28.10% of 260 =
  29. 29.10% of 760 =
  30. 30.10% of 730 =
  31. 31.5% of 520 =
  32. 32.25% of 252 =
  33. 33.10% of 340 =
  34. 34.1% of 500 =
  35. 35.25% of 156 =
  36. 36.5% of 280 =
  37. 37.1% of 100 =
  38. 38.25% of 348 =
  39. 39.10% of 520 =
  40. 40.25% of 44 =

Answer key

  1. 21
  2. 87
  3. 221
  4. 69
  5. 49
  6. 28
  7. 25
  8. 25
  9. 83
  10. 9
  11. 75
  12. 115
  13. 18
  14. 90
  15. 83
  16. 38
  17. 17
  18. 48
  19. 23
  20. 171
  21. 33
  22. 12
  23. 79
  24. 77
  25. 9
  26. 74
  27. 12
  28. 26
  29. 76
  30. 73
  31. 26
  32. 63
  33. 34
  34. 5
  35. 39
  36. 14
  37. 1
  38. 87
  39. 52
  40. 11

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