← Percentages in seconds lesson New set →

Percentage Worksheet – Mental Maths

Speed calculation lesson 12: Percentages in seconds · Set 629 · 40 questions
TalentJR

The fast method (Build from 10%): 10%: divide by 10. 1%: divide by 100. 5% = half of 10%, 20% = double 10%, 15% = 10% + 5%. 50% = half, 25% = half of a half.

NameDateTime takenScore ___ / 40
  1. 1.25% of 350 =
  2. 2.1% of 300 =
  3. 3.1% of 840 =
  4. 4.1% of 800 =
  5. 5.5% of 510 =
  6. 6.25% of 680 =
  7. 7.5% of 730 =
  8. 8.5% of 270 =
  9. 9.10% of 180 =
  10. 10.25% of 610 =
  11. 11.10% of 240 =
  12. 12.25% of 170 =
  13. 13.10% of 370 =
  14. 14.50% of 50 =
  15. 15.20% of 870 =
  16. 16.50% of 620 =
  17. 17.10% of 760 =
  18. 18.10% of 660 =
  19. 19.1% of 890 =
  20. 20.1% of 300 =
  21. 21.1% of 460 =
  22. 22.15% of 840 =
  23. 23.1% of 300 =
  24. 24.20% of 420 =
  25. 25.20% of 530 =
  26. 26.5% of 380 =
  27. 27.20% of 160 =
  28. 28.50% of 750 =
  29. 29.20% of 420 =
  30. 30.25% of 820 =
  31. 31.15% of 630 =
  32. 32.1% of 340 =
  33. 33.50% of 320 =
  34. 34.15% of 800 =
  35. 35.15% of 670 =
  36. 36.5% of 110 =
  37. 37.5% of 50 =
  38. 38.50% of 550 =
  39. 39.1% of 50 =
  40. 40.5% of 160 =

Answer key

  1. 87.5
  2. 3
  3. 8.4
  4. 8
  5. 25.5
  6. 170
  7. 36.5
  8. 13.5
  9. 18
  10. 152.5
  11. 24
  12. 42.5
  13. 37
  14. 25
  15. 174
  16. 310
  17. 76
  18. 66
  19. 8.9
  20. 3
  21. 4.6
  22. 126
  23. 3
  24. 84
  25. 106
  26. 19
  27. 32
  28. 375
  29. 84
  30. 205
  31. 94.5
  32. 3.4
  33. 160
  34. 120
  35. 100.5
  36. 5.5
  37. 2.5
  38. 275
  39. 0.5
  40. 8

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths