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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 510 · 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. 2.55² =
  3. 3.95² =
  4. 4.15² =
  5. 5.105² =
  6. 6.35² =
  7. 7.175² =
  8. 8.185² =
  9. 9.35² =
  10. 10.75² =
  11. 11.85² =
  12. 12.155² =
  13. 13.115² =
  14. 14.25² =
  15. 15.135² =
  16. 16.65² =
  17. 17.195² =
  18. 18.165² =
  19. 19.165² =
  20. 20.175² =
  21. 21.45² =
  22. 22.25² =
  23. 23.15² =
  24. 24.45² =
  25. 25.195² =
  26. 26.115² =
  27. 27.45² =
  28. 28.115² =
  29. 29.65² =
  30. 30.15² =
  31. 31.135² =
  32. 32.95² =
  33. 33.115² =
  34. 34.35² =
  35. 35.65² =
  36. 36.15² =
  37. 37.115² =
  38. 38.125² =
  39. 39.55² =
  40. 40.145² =

Answer key

  1. 3025
  2. 3025
  3. 9025
  4. 225
  5. 11025
  6. 1225
  7. 30625
  8. 34225
  9. 1225
  10. 5625
  11. 7225
  12. 24025
  13. 13225
  14. 625
  15. 18225
  16. 4225
  17. 38025
  18. 27225
  19. 27225
  20. 30625
  21. 2025
  22. 625
  23. 225
  24. 2025
  25. 38025
  26. 13225
  27. 2025
  28. 13225
  29. 4225
  30. 225
  31. 18225
  32. 9025
  33. 13225
  34. 1225
  35. 4225
  36. 225
  37. 13225
  38. 15625
  39. 3025
  40. 21025

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