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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 5 · 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 90 =
  2. 2.20% of 490 =
  3. 3.25% of 88 =
  4. 4.5% of 440 =
  5. 5.5% of 20 =
  6. 6.50% of 300 =
  7. 7.10% of 880 =
  8. 8.50% of 176 =
  9. 9.10% of 220 =
  10. 10.10% of 290 =
  11. 11.50% of 366 =
  12. 12.50% of 262 =
  13. 13.1% of 1500 =
  14. 14.1% of 2000 =
  15. 15.50% of 296 =
  16. 16.5% of 200 =
  17. 17.20% of 170 =
  18. 18.20% of 325 =
  19. 19.25% of 272 =
  20. 20.10% of 60 =
  21. 21.10% of 270 =
  22. 22.1% of 2300 =
  23. 23.25% of 132 =
  24. 24.1% of 1200 =
  25. 25.10% of 50 =
  26. 26.75% of 156 =
  27. 27.1% of 1600 =
  28. 28.20% of 310 =
  29. 29.50% of 182 =
  30. 30.25% of 288 =
  31. 31.10% of 810 =
  32. 32.75% of 236 =
  33. 33.5% of 400 =
  34. 34.75% of 136 =
  35. 35.5% of 180 =
  36. 36.50% of 418 =
  37. 37.5% of 460 =
  38. 38.50% of 20 =
  39. 39.10% of 700 =
  40. 40.25% of 32 =

Answer key

  1. 9
  2. 98
  3. 22
  4. 22
  5. 1
  6. 150
  7. 88
  8. 88
  9. 22
  10. 29
  11. 183
  12. 131
  13. 15
  14. 20
  15. 148
  16. 10
  17. 34
  18. 65
  19. 68
  20. 6
  21. 27
  22. 23
  23. 33
  24. 12
  25. 5
  26. 117
  27. 16
  28. 62
  29. 91
  30. 72
  31. 81
  32. 177
  33. 20
  34. 102
  35. 9
  36. 209
  37. 23
  38. 10
  39. 70
  40. 8

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