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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 82 · 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. 1.145² =
  2. 2.125² =
  3. 3.145² =
  4. 4.185² =
  5. 5.155² =
  6. 6.65² =
  7. 7.195² =
  8. 8.25² =
  9. 9.185² =
  10. 10.145² =
  11. 11.65² =
  12. 12.85² =
  13. 13.115² =
  14. 14.45² =
  15. 15.35² =
  16. 16.65² =
  17. 17.135² =
  18. 18.165² =
  19. 19.165² =
  20. 20.195² =
  21. 21.105² =
  22. 22.125² =
  23. 23.85² =
  24. 24.175² =
  25. 25.15² =
  26. 26.115² =
  27. 27.45² =
  28. 28.65² =
  29. 29.65² =
  30. 30.145² =
  31. 31.15² =
  32. 32.115² =
  33. 33.25² =
  34. 34.145² =
  35. 35.135² =
  36. 36.115² =
  37. 37.15² =
  38. 38.115² =
  39. 39.145² =
  40. 40.175² =

Answer key

  1. 21025
  2. 15625
  3. 21025
  4. 34225
  5. 24025
  6. 4225
  7. 38025
  8. 625
  9. 34225
  10. 21025
  11. 4225
  12. 7225
  13. 13225
  14. 2025
  15. 1225
  16. 4225
  17. 18225
  18. 27225
  19. 27225
  20. 38025
  21. 11025
  22. 15625
  23. 7225
  24. 30625
  25. 225
  26. 13225
  27. 2025
  28. 4225
  29. 4225
  30. 21025
  31. 225
  32. 13225
  33. 625
  34. 21025
  35. 18225
  36. 13225
  37. 225
  38. 13225
  39. 21025
  40. 30625

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