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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 880 · 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. 1.115² =
  2. 2.125² =
  3. 3.55² =
  4. 4.115² =
  5. 5.65² =
  6. 6.135² =
  7. 7.35² =
  8. 8.115² =
  9. 9.25² =
  10. 10.15² =
  11. 11.155² =
  12. 12.65² =
  13. 13.45² =
  14. 14.105² =
  15. 15.135² =
  16. 16.195² =
  17. 17.145² =
  18. 18.185² =
  19. 19.105² =
  20. 20.95² =
  21. 21.55² =
  22. 22.125² =
  23. 23.75² =
  24. 24.95² =
  25. 25.145² =
  26. 26.45² =
  27. 27.105² =
  28. 28.65² =
  29. 29.65² =
  30. 30.35² =
  31. 31.15² =
  32. 32.115² =
  33. 33.15² =
  34. 34.35² =
  35. 35.115² =
  36. 36.85² =
  37. 37.135² =
  38. 38.75² =
  39. 39.35² =
  40. 40.45² =

Answer key

  1. 13225
  2. 15625
  3. 3025
  4. 13225
  5. 4225
  6. 18225
  7. 1225
  8. 13225
  9. 625
  10. 225
  11. 24025
  12. 4225
  13. 2025
  14. 11025
  15. 18225
  16. 38025
  17. 21025
  18. 34225
  19. 11025
  20. 9025
  21. 3025
  22. 15625
  23. 5625
  24. 9025
  25. 21025
  26. 2025
  27. 11025
  28. 4225
  29. 4225
  30. 1225
  31. 225
  32. 13225
  33. 225
  34. 1225
  35. 13225
  36. 7225
  37. 18225
  38. 5625
  39. 1225
  40. 2025

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