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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 243 · 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. 1.115² =
  2. 2.15² =
  3. 3.115² =
  4. 4.65² =
  5. 5.175² =
  6. 6.85² =
  7. 7.145² =
  8. 8.55² =
  9. 9.15² =
  10. 10.35² =
  11. 11.155² =
  12. 12.185² =
  13. 13.65² =
  14. 14.35² =
  15. 15.165² =
  16. 16.55² =
  17. 17.45² =
  18. 18.35² =
  19. 19.175² =
  20. 20.35² =
  21. 21.195² =
  22. 22.165² =
  23. 23.25² =
  24. 24.115² =
  25. 25.195² =
  26. 26.45² =
  27. 27.85² =
  28. 28.15² =
  29. 29.85² =
  30. 30.125² =
  31. 31.115² =
  32. 32.75² =
  33. 33.45² =
  34. 34.75² =
  35. 35.125² =
  36. 36.55² =
  37. 37.175² =
  38. 38.145² =
  39. 39.55² =
  40. 40.55² =

Answer key

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

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