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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 716 · 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. 2.15² =
  3. 3.95² =
  4. 4.105² =
  5. 5.55² =
  6. 6.155² =
  7. 7.65² =
  8. 8.25² =
  9. 9.75² =
  10. 10.195² =
  11. 11.15² =
  12. 12.85² =
  13. 13.95² =
  14. 14.195² =
  15. 15.115² =
  16. 16.165² =
  17. 17.195² =
  18. 18.85² =
  19. 19.115² =
  20. 20.55² =
  21. 21.35² =
  22. 22.185² =
  23. 23.45² =
  24. 24.145² =
  25. 25.115² =
  26. 26.145² =
  27. 27.105² =
  28. 28.115² =
  29. 29.95² =
  30. 30.65² =
  31. 31.115² =
  32. 32.15² =
  33. 33.175² =
  34. 34.85² =
  35. 35.75² =
  36. 36.55² =
  37. 37.55² =
  38. 38.95² =
  39. 39.25² =
  40. 40.195² =

Answer key

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

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