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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 906 · 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. 1.115² =
  2. 2.175² =
  3. 3.135² =
  4. 4.145² =
  5. 5.55² =
  6. 6.65² =
  7. 7.185² =
  8. 8.15² =
  9. 9.25² =
  10. 10.145² =
  11. 11.35² =
  12. 12.75² =
  13. 13.95² =
  14. 14.125² =
  15. 15.115² =
  16. 16.105² =
  17. 17.165² =
  18. 18.65² =
  19. 19.95² =
  20. 20.25² =
  21. 21.195² =
  22. 22.65² =
  23. 23.185² =
  24. 24.125² =
  25. 25.195² =
  26. 26.105² =
  27. 27.145² =
  28. 28.15² =
  29. 29.145² =
  30. 30.75² =
  31. 31.65² =
  32. 32.145² =
  33. 33.145² =
  34. 34.75² =
  35. 35.15² =
  36. 36.115² =
  37. 37.125² =
  38. 38.25² =
  39. 39.65² =
  40. 40.185² =

Answer key

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

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