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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 4 · 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. 1.15² =
  2. 2.145² =
  3. 3.65² =
  4. 4.165² =
  5. 5.185² =
  6. 6.105² =
  7. 7.15² =
  8. 8.125² =
  9. 9.65² =
  10. 10.145² =
  11. 11.95² =
  12. 12.75² =
  13. 13.75² =
  14. 14.195² =
  15. 15.135² =
  16. 16.65² =
  17. 17.135² =
  18. 18.15² =
  19. 19.85² =
  20. 20.35² =
  21. 21.45² =
  22. 22.135² =
  23. 23.185² =
  24. 24.105² =
  25. 25.35² =
  26. 26.25² =
  27. 27.85² =
  28. 28.155² =
  29. 29.15² =
  30. 30.65² =
  31. 31.165² =
  32. 32.55² =
  33. 33.125² =
  34. 34.35² =
  35. 35.15² =
  36. 36.185² =
  37. 37.25² =
  38. 38.25² =
  39. 39.45² =
  40. 40.115² =

Answer key

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

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