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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 189 · 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. 1.45² =
  2. 2.155² =
  3. 3.175² =
  4. 4.115² =
  5. 5.65² =
  6. 6.115² =
  7. 7.85² =
  8. 8.155² =
  9. 9.115² =
  10. 10.165² =
  11. 11.85² =
  12. 12.45² =
  13. 13.175² =
  14. 14.25² =
  15. 15.145² =
  16. 16.55² =
  17. 17.45² =
  18. 18.185² =
  19. 19.195² =
  20. 20.145² =
  21. 21.45² =
  22. 22.35² =
  23. 23.65² =
  24. 24.55² =
  25. 25.65² =
  26. 26.195² =
  27. 27.45² =
  28. 28.45² =
  29. 29.195² =
  30. 30.185² =
  31. 31.25² =
  32. 32.185² =
  33. 33.195² =
  34. 34.105² =
  35. 35.105² =
  36. 36.185² =
  37. 37.155² =
  38. 38.95² =
  39. 39.195² =
  40. 40.175² =

Answer key

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

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