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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 255 · 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. 1.165² =
  2. 2.55² =
  3. 3.45² =
  4. 4.65² =
  5. 5.175² =
  6. 6.185² =
  7. 7.35² =
  8. 8.135² =
  9. 9.165² =
  10. 10.185² =
  11. 11.25² =
  12. 12.165² =
  13. 13.165² =
  14. 14.85² =
  15. 15.195² =
  16. 16.15² =
  17. 17.15² =
  18. 18.45² =
  19. 19.55² =
  20. 20.155² =
  21. 21.15² =
  22. 22.35² =
  23. 23.175² =
  24. 24.175² =
  25. 25.115² =
  26. 26.95² =
  27. 27.125² =
  28. 28.115² =
  29. 29.105² =
  30. 30.105² =
  31. 31.35² =
  32. 32.15² =
  33. 33.35² =
  34. 34.185² =
  35. 35.45² =
  36. 36.145² =
  37. 37.145² =
  38. 38.35² =
  39. 39.115² =
  40. 40.125² =

Answer key

  1. 27225
  2. 3025
  3. 2025
  4. 4225
  5. 30625
  6. 34225
  7. 1225
  8. 18225
  9. 27225
  10. 34225
  11. 625
  12. 27225
  13. 27225
  14. 7225
  15. 38025
  16. 225
  17. 225
  18. 2025
  19. 3025
  20. 24025
  21. 225
  22. 1225
  23. 30625
  24. 30625
  25. 13225
  26. 9025
  27. 15625
  28. 13225
  29. 11025
  30. 11025
  31. 1225
  32. 225
  33. 1225
  34. 34225
  35. 2025
  36. 21025
  37. 21025
  38. 1225
  39. 13225
  40. 15625

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