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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 13 · 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 290 =
  2. 2.10% of 280 =
  3. 3.25% of 36 =
  4. 4.1% of 2200 =
  5. 5.5% of 380 =
  6. 6.10% of 650 =
  7. 7.25% of 24 =
  8. 8.25% of 108 =
  9. 9.50% of 484 =
  10. 10.5% of 20 =
  11. 11.50% of 98 =
  12. 12.1% of 1800 =
  13. 13.20% of 340 =
  14. 14.50% of 86 =
  15. 15.10% of 130 =
  16. 16.50% of 208 =
  17. 17.10% of 200 =
  18. 18.75% of 56 =
  19. 19.20% of 415 =
  20. 20.1% of 2600 =
  21. 21.10% of 710 =
  22. 22.75% of 144 =
  23. 23.5% of 680 =
  24. 24.5% of 180 =
  25. 25.25% of 116 =
  26. 26.1% of 2800 =
  27. 27.5% of 140 =
  28. 28.10% of 160 =
  29. 29.25% of 192 =
  30. 30.10% of 400 =
  31. 31.50% of 224 =
  32. 32.5% of 480 =
  33. 33.10% of 30 =
  34. 34.1% of 700 =
  35. 35.5% of 80 =
  36. 36.10% of 430 =
  37. 37.10% of 550 =
  38. 38.25% of 216 =
  39. 39.1% of 800 =
  40. 40.75% of 124 =

Answer key

  1. 145
  2. 28
  3. 9
  4. 22
  5. 19
  6. 65
  7. 6
  8. 27
  9. 242
  10. 1
  11. 49
  12. 18
  13. 68
  14. 43
  15. 13
  16. 104
  17. 20
  18. 42
  19. 83
  20. 26
  21. 71
  22. 108
  23. 34
  24. 9
  25. 29
  26. 28
  27. 7
  28. 16
  29. 48
  30. 40
  31. 112
  32. 24
  33. 3
  34. 7
  35. 4
  36. 43
  37. 55
  38. 54
  39. 8
  40. 93

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