← Percentages in seconds lesson New set →

Percentage Worksheet – Mental Maths

Speed calculation lesson 12: Percentages in seconds · Set 420 · 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 360 =
  2. 2.25% of 770 =
  3. 3.20% of 590 =
  4. 4.5% of 430 =
  5. 5.20% of 270 =
  6. 6.10% of 410 =
  7. 7.50% of 540 =
  8. 8.20% of 160 =
  9. 9.20% of 620 =
  10. 10.1% of 680 =
  11. 11.10% of 560 =
  12. 12.25% of 70 =
  13. 13.5% of 660 =
  14. 14.10% of 110 =
  15. 15.20% of 150 =
  16. 16.1% of 350 =
  17. 17.1% of 610 =
  18. 18.5% of 290 =
  19. 19.15% of 260 =
  20. 20.15% of 680 =
  21. 21.25% of 400 =
  22. 22.1% of 280 =
  23. 23.20% of 20 =
  24. 24.10% of 390 =
  25. 25.20% of 210 =
  26. 26.15% of 800 =
  27. 27.50% of 250 =
  28. 28.50% of 600 =
  29. 29.5% of 190 =
  30. 30.5% of 190 =
  31. 31.10% of 60 =
  32. 32.5% of 140 =
  33. 33.15% of 340 =
  34. 34.5% of 720 =
  35. 35.50% of 480 =
  36. 36.1% of 30 =
  37. 37.15% of 350 =
  38. 38.5% of 210 =
  39. 39.20% of 510 =
  40. 40.20% of 90 =

Answer key

  1. 90
  2. 192.5
  3. 118
  4. 21.5
  5. 54
  6. 41
  7. 270
  8. 32
  9. 124
  10. 6.8
  11. 56
  12. 17.5
  13. 33
  14. 11
  15. 30
  16. 3.5
  17. 6.1
  18. 14.5
  19. 39
  20. 102
  21. 100
  22. 2.8
  23. 4
  24. 39
  25. 42
  26. 120
  27. 125
  28. 300
  29. 9.5
  30. 9.5
  31. 6
  32. 7
  33. 51
  34. 36
  35. 240
  36. 0.3
  37. 52.5
  38. 10.5
  39. 102
  40. 18

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