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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 391 · 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. 1.125² =
  2. 2.155² =
  3. 3.45² =
  4. 4.155² =
  5. 5.155² =
  6. 6.25² =
  7. 7.85² =
  8. 8.45² =
  9. 9.125² =
  10. 10.35² =
  11. 11.145² =
  12. 12.175² =
  13. 13.25² =
  14. 14.25² =
  15. 15.15² =
  16. 16.75² =
  17. 17.135² =
  18. 18.15² =
  19. 19.35² =
  20. 20.25² =
  21. 21.95² =
  22. 22.125² =
  23. 23.35² =
  24. 24.175² =
  25. 25.25² =
  26. 26.45² =
  27. 27.25² =
  28. 28.15² =
  29. 29.165² =
  30. 30.45² =
  31. 31.185² =
  32. 32.45² =
  33. 33.105² =
  34. 34.65² =
  35. 35.165² =
  36. 36.145² =
  37. 37.15² =
  38. 38.185² =
  39. 39.145² =
  40. 40.165² =

Answer key

  1. 15625
  2. 24025
  3. 2025
  4. 24025
  5. 24025
  6. 625
  7. 7225
  8. 2025
  9. 15625
  10. 1225
  11. 21025
  12. 30625
  13. 625
  14. 625
  15. 225
  16. 5625
  17. 18225
  18. 225
  19. 1225
  20. 625
  21. 9025
  22. 15625
  23. 1225
  24. 30625
  25. 625
  26. 2025
  27. 625
  28. 225
  29. 27225
  30. 2025
  31. 34225
  32. 2025
  33. 11025
  34. 4225
  35. 27225
  36. 21025
  37. 225
  38. 34225
  39. 21025
  40. 27225

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