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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 680 · 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. 1.155² =
  2. 2.165² =
  3. 3.105² =
  4. 4.25² =
  5. 5.155² =
  6. 6.25² =
  7. 7.145² =
  8. 8.125² =
  9. 9.195² =
  10. 10.105² =
  11. 11.155² =
  12. 12.145² =
  13. 13.185² =
  14. 14.95² =
  15. 15.25² =
  16. 16.185² =
  17. 17.55² =
  18. 18.175² =
  19. 19.115² =
  20. 20.15² =
  21. 21.155² =
  22. 22.15² =
  23. 23.55² =
  24. 24.105² =
  25. 25.165² =
  26. 26.155² =
  27. 27.105² =
  28. 28.125² =
  29. 29.25² =
  30. 30.55² =
  31. 31.165² =
  32. 32.145² =
  33. 33.105² =
  34. 34.35² =
  35. 35.145² =
  36. 36.65² =
  37. 37.15² =
  38. 38.75² =
  39. 39.45² =
  40. 40.145² =

Answer key

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

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