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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 790 · 40 sums
TalentJR

The trick (Ekadhikena Purvena): Take the part before the 5 — call it t. Multiply t by the next number: t × (t + 1). Write 25 after it.

NameDateTime takenScore ___ / 40
  1. 1.15² =
  2. 2.175² =
  3. 3.115² =
  4. 4.105² =
  5. 5.25² =
  6. 6.145² =
  7. 7.105² =
  8. 8.155² =
  9. 9.75² =
  10. 10.195² =
  11. 11.105² =
  12. 12.195² =
  13. 13.135² =
  14. 14.175² =
  15. 15.15² =
  16. 16.155² =
  17. 17.135² =
  18. 18.35² =
  19. 19.35² =
  20. 20.25² =
  21. 21.145² =
  22. 22.25² =
  23. 23.125² =
  24. 24.75² =
  25. 25.15² =
  26. 26.85² =
  27. 27.15² =
  28. 28.155² =
  29. 29.95² =
  30. 30.35² =
  31. 31.195² =
  32. 32.15² =
  33. 33.25² =
  34. 34.95² =
  35. 35.195² =
  36. 36.35² =
  37. 37.75² =
  38. 38.155² =
  39. 39.165² =
  40. 40.195² =

Answer key

  1. 225
  2. 30625
  3. 13225
  4. 11025
  5. 625
  6. 21025
  7. 11025
  8. 24025
  9. 5625
  10. 38025
  11. 11025
  12. 38025
  13. 18225
  14. 30625
  15. 225
  16. 24025
  17. 18225
  18. 1225
  19. 1225
  20. 625
  21. 21025
  22. 625
  23. 15625
  24. 5625
  25. 225
  26. 7225
  27. 225
  28. 24025
  29. 9025
  30. 1225
  31. 38025
  32. 225
  33. 625
  34. 9025
  35. 38025
  36. 1225
  37. 5625
  38. 24025
  39. 27225
  40. 38025

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