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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 205 · 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. 1.65² =
  2. 2.55² =
  3. 3.25² =
  4. 4.185² =
  5. 5.125² =
  6. 6.55² =
  7. 7.35² =
  8. 8.155² =
  9. 9.45² =
  10. 10.15² =
  11. 11.115² =
  12. 12.75² =
  13. 13.115² =
  14. 14.195² =
  15. 15.155² =
  16. 16.125² =
  17. 17.55² =
  18. 18.35² =
  19. 19.45² =
  20. 20.195² =
  21. 21.45² =
  22. 22.175² =
  23. 23.175² =
  24. 24.155² =
  25. 25.165² =
  26. 26.145² =
  27. 27.185² =
  28. 28.145² =
  29. 29.145² =
  30. 30.125² =
  31. 31.55² =
  32. 32.35² =
  33. 33.105² =
  34. 34.75² =
  35. 35.105² =
  36. 36.135² =
  37. 37.145² =
  38. 38.35² =
  39. 39.25² =
  40. 40.85² =

Answer key

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

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