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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 168 · 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. 1.45² =
  2. 2.125² =
  3. 3.25² =
  4. 4.155² =
  5. 5.175² =
  6. 6.15² =
  7. 7.65² =
  8. 8.175² =
  9. 9.65² =
  10. 10.135² =
  11. 11.15² =
  12. 12.95² =
  13. 13.85² =
  14. 14.175² =
  15. 15.15² =
  16. 16.145² =
  17. 17.55² =
  18. 18.55² =
  19. 19.65² =
  20. 20.185² =
  21. 21.195² =
  22. 22.185² =
  23. 23.45² =
  24. 24.115² =
  25. 25.125² =
  26. 26.105² =
  27. 27.135² =
  28. 28.85² =
  29. 29.65² =
  30. 30.35² =
  31. 31.45² =
  32. 32.15² =
  33. 33.185² =
  34. 34.165² =
  35. 35.75² =
  36. 36.195² =
  37. 37.75² =
  38. 38.195² =
  39. 39.125² =
  40. 40.15² =

Answer key

  1. 2025
  2. 15625
  3. 625
  4. 24025
  5. 30625
  6. 225
  7. 4225
  8. 30625
  9. 4225
  10. 18225
  11. 225
  12. 9025
  13. 7225
  14. 30625
  15. 225
  16. 21025
  17. 3025
  18. 3025
  19. 4225
  20. 34225
  21. 38025
  22. 34225
  23. 2025
  24. 13225
  25. 15625
  26. 11025
  27. 18225
  28. 7225
  29. 4225
  30. 1225
  31. 2025
  32. 225
  33. 34225
  34. 27225
  35. 5625
  36. 38025
  37. 5625
  38. 38025
  39. 15625
  40. 225

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