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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 180 · 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. 1.55² =
  2. 2.105² =
  3. 3.105² =
  4. 4.55² =
  5. 5.35² =
  6. 6.135² =
  7. 7.25² =
  8. 8.15² =
  9. 9.155² =
  10. 10.175² =
  11. 11.35² =
  12. 12.95² =
  13. 13.165² =
  14. 14.165² =
  15. 15.115² =
  16. 16.195² =
  17. 17.145² =
  18. 18.85² =
  19. 19.65² =
  20. 20.75² =
  21. 21.165² =
  22. 22.45² =
  23. 23.75² =
  24. 24.125² =
  25. 25.45² =
  26. 26.165² =
  27. 27.165² =
  28. 28.175² =
  29. 29.65² =
  30. 30.165² =
  31. 31.155² =
  32. 32.135² =
  33. 33.125² =
  34. 34.125² =
  35. 35.175² =
  36. 36.165² =
  37. 37.165² =
  38. 38.155² =
  39. 39.125² =
  40. 40.155² =

Answer key

  1. 3025
  2. 11025
  3. 11025
  4. 3025
  5. 1225
  6. 18225
  7. 625
  8. 225
  9. 24025
  10. 30625
  11. 1225
  12. 9025
  13. 27225
  14. 27225
  15. 13225
  16. 38025
  17. 21025
  18. 7225
  19. 4225
  20. 5625
  21. 27225
  22. 2025
  23. 5625
  24. 15625
  25. 2025
  26. 27225
  27. 27225
  28. 30625
  29. 4225
  30. 27225
  31. 24025
  32. 18225
  33. 15625
  34. 15625
  35. 30625
  36. 27225
  37. 27225
  38. 24025
  39. 15625
  40. 24025

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