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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 686 · 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. 2.15² =
  3. 3.55² =
  4. 4.35² =
  5. 5.75² =
  6. 6.25² =
  7. 7.95² =
  8. 8.15² =
  9. 9.125² =
  10. 10.95² =
  11. 11.25² =
  12. 12.65² =
  13. 13.165² =
  14. 14.35² =
  15. 15.105² =
  16. 16.65² =
  17. 17.55² =
  18. 18.95² =
  19. 19.135² =
  20. 20.125² =
  21. 21.185² =
  22. 22.195² =
  23. 23.45² =
  24. 24.35² =
  25. 25.145² =
  26. 26.195² =
  27. 27.105² =
  28. 28.175² =
  29. 29.145² =
  30. 30.45² =
  31. 31.95² =
  32. 32.195² =
  33. 33.185² =
  34. 34.115² =
  35. 35.155² =
  36. 36.145² =
  37. 37.105² =
  38. 38.45² =
  39. 39.35² =
  40. 40.175² =

Answer key

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

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