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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 465 · 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. 3.35² =
  4. 4.155² =
  5. 5.55² =
  6. 6.105² =
  7. 7.75² =
  8. 8.85² =
  9. 9.175² =
  10. 10.15² =
  11. 11.175² =
  12. 12.85² =
  13. 13.15² =
  14. 14.135² =
  15. 15.145² =
  16. 16.25² =
  17. 17.195² =
  18. 18.165² =
  19. 19.135² =
  20. 20.105² =
  21. 21.165² =
  22. 22.105² =
  23. 23.25² =
  24. 24.25² =
  25. 25.75² =
  26. 26.185² =
  27. 27.115² =
  28. 28.25² =
  29. 29.55² =
  30. 30.195² =
  31. 31.95² =
  32. 32.55² =
  33. 33.175² =
  34. 34.45² =
  35. 35.165² =
  36. 36.175² =
  37. 37.165² =
  38. 38.35² =
  39. 39.65² =
  40. 40.155² =

Answer key

  1. 4225
  2. 225
  3. 1225
  4. 24025
  5. 3025
  6. 11025
  7. 5625
  8. 7225
  9. 30625
  10. 225
  11. 30625
  12. 7225
  13. 225
  14. 18225
  15. 21025
  16. 625
  17. 38025
  18. 27225
  19. 18225
  20. 11025
  21. 27225
  22. 11025
  23. 625
  24. 625
  25. 5625
  26. 34225
  27. 13225
  28. 625
  29. 3025
  30. 38025
  31. 9025
  32. 3025
  33. 30625
  34. 2025
  35. 27225
  36. 30625
  37. 27225
  38. 1225
  39. 4225
  40. 24025

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