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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 190 · 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. 1.35² =
  2. 2.195² =
  3. 3.15² =
  4. 4.195² =
  5. 5.165² =
  6. 6.35² =
  7. 7.55² =
  8. 8.135² =
  9. 9.135² =
  10. 10.125² =
  11. 11.165² =
  12. 12.105² =
  13. 13.85² =
  14. 14.195² =
  15. 15.25² =
  16. 16.45² =
  17. 17.25² =
  18. 18.55² =
  19. 19.25² =
  20. 20.25² =
  21. 21.45² =
  22. 22.45² =
  23. 23.165² =
  24. 24.45² =
  25. 25.65² =
  26. 26.15² =
  27. 27.15² =
  28. 28.185² =
  29. 29.55² =
  30. 30.145² =
  31. 31.65² =
  32. 32.115² =
  33. 33.95² =
  34. 34.105² =
  35. 35.155² =
  36. 36.15² =
  37. 37.45² =
  38. 38.185² =
  39. 39.65² =
  40. 40.155² =

Answer key

  1. 1225
  2. 38025
  3. 225
  4. 38025
  5. 27225
  6. 1225
  7. 3025
  8. 18225
  9. 18225
  10. 15625
  11. 27225
  12. 11025
  13. 7225
  14. 38025
  15. 625
  16. 2025
  17. 625
  18. 3025
  19. 625
  20. 625
  21. 2025
  22. 2025
  23. 27225
  24. 2025
  25. 4225
  26. 225
  27. 225
  28. 34225
  29. 3025
  30. 21025
  31. 4225
  32. 13225
  33. 9025
  34. 11025
  35. 24025
  36. 225
  37. 2025
  38. 34225
  39. 4225
  40. 24025

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