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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 802 · 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. 1.50% of 278 =
  2. 2.10% of 820 =
  3. 3.10% of 310 =
  4. 4.10% of 630 =
  5. 5.50% of 206 =
  6. 6.50% of 78 =
  7. 7.50% of 224 =
  8. 8.5% of 780 =
  9. 9.75% of 108 =
  10. 10.5% of 480 =
  11. 11.75% of 180 =
  12. 12.75% of 116 =
  13. 13.25% of 228 =
  14. 14.1% of 2500 =
  15. 15.25% of 380 =
  16. 16.5% of 680 =
  17. 17.1% of 1900 =
  18. 18.20% of 345 =
  19. 19.10% of 20 =
  20. 20.50% of 80 =
  21. 21.10% of 560 =
  22. 22.75% of 220 =
  23. 23.50% of 332 =
  24. 24.50% of 324 =
  25. 25.10% of 530 =
  26. 26.5% of 100 =
  27. 27.25% of 12 =
  28. 28.25% of 56 =
  29. 29.50% of 394 =
  30. 30.5% of 240 =
  31. 31.1% of 1100 =
  32. 32.20% of 60 =
  33. 33.20% of 45 =
  34. 34.50% of 298 =
  35. 35.10% of 270 =
  36. 36.20% of 255 =
  37. 37.1% of 800 =
  38. 38.1% of 2100 =
  39. 39.20% of 420 =
  40. 40.25% of 396 =

Answer key

  1. 139
  2. 82
  3. 31
  4. 63
  5. 103
  6. 39
  7. 112
  8. 39
  9. 81
  10. 24
  11. 135
  12. 87
  13. 57
  14. 25
  15. 95
  16. 34
  17. 19
  18. 69
  19. 2
  20. 40
  21. 56
  22. 165
  23. 166
  24. 162
  25. 53
  26. 5
  27. 3
  28. 14
  29. 197
  30. 12
  31. 11
  32. 12
  33. 9
  34. 149
  35. 27
  36. 51
  37. 8
  38. 21
  39. 84
  40. 99

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