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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 691 · 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. 1.25² =
  2. 2.145² =
  3. 3.155² =
  4. 4.145² =
  5. 5.65² =
  6. 6.15² =
  7. 7.165² =
  8. 8.65² =
  9. 9.35² =
  10. 10.45² =
  11. 11.195² =
  12. 12.185² =
  13. 13.15² =
  14. 14.65² =
  15. 15.165² =
  16. 16.55² =
  17. 17.85² =
  18. 18.135² =
  19. 19.155² =
  20. 20.55² =
  21. 21.145² =
  22. 22.15² =
  23. 23.65² =
  24. 24.185² =
  25. 25.95² =
  26. 26.165² =
  27. 27.135² =
  28. 28.115² =
  29. 29.155² =
  30. 30.15² =
  31. 31.55² =
  32. 32.65² =
  33. 33.75² =
  34. 34.85² =
  35. 35.145² =
  36. 36.125² =
  37. 37.155² =
  38. 38.115² =
  39. 39.15² =
  40. 40.155² =

Answer key

  1. 625
  2. 21025
  3. 24025
  4. 21025
  5. 4225
  6. 225
  7. 27225
  8. 4225
  9. 1225
  10. 2025
  11. 38025
  12. 34225
  13. 225
  14. 4225
  15. 27225
  16. 3025
  17. 7225
  18. 18225
  19. 24025
  20. 3025
  21. 21025
  22. 225
  23. 4225
  24. 34225
  25. 9025
  26. 27225
  27. 18225
  28. 13225
  29. 24025
  30. 225
  31. 3025
  32. 4225
  33. 5625
  34. 7225
  35. 21025
  36. 15625
  37. 24025
  38. 13225
  39. 225
  40. 24025

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