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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 402 · 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. 1.125² =
  2. 2.125² =
  3. 3.105² =
  4. 4.15² =
  5. 5.155² =
  6. 6.175² =
  7. 7.105² =
  8. 8.175² =
  9. 9.65² =
  10. 10.195² =
  11. 11.85² =
  12. 12.155² =
  13. 13.175² =
  14. 14.25² =
  15. 15.145² =
  16. 16.175² =
  17. 17.85² =
  18. 18.105² =
  19. 19.165² =
  20. 20.25² =
  21. 21.55² =
  22. 22.55² =
  23. 23.25² =
  24. 24.35² =
  25. 25.45² =
  26. 26.65² =
  27. 27.25² =
  28. 28.55² =
  29. 29.165² =
  30. 30.155² =
  31. 31.115² =
  32. 32.135² =
  33. 33.135² =
  34. 34.165² =
  35. 35.175² =
  36. 36.135² =
  37. 37.45² =
  38. 38.185² =
  39. 39.65² =
  40. 40.155² =

Answer key

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

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