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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 51 · 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. 1.125² =
  2. 2.145² =
  3. 3.145² =
  4. 4.175² =
  5. 5.35² =
  6. 6.15² =
  7. 7.145² =
  8. 8.105² =
  9. 9.65² =
  10. 10.45² =
  11. 11.55² =
  12. 12.25² =
  13. 13.135² =
  14. 14.105² =
  15. 15.155² =
  16. 16.115² =
  17. 17.25² =
  18. 18.55² =
  19. 19.135² =
  20. 20.45² =
  21. 21.125² =
  22. 22.125² =
  23. 23.155² =
  24. 24.45² =
  25. 25.75² =
  26. 26.135² =
  27. 27.175² =
  28. 28.95² =
  29. 29.35² =
  30. 30.85² =
  31. 31.95² =
  32. 32.75² =
  33. 33.195² =
  34. 34.75² =
  35. 35.35² =
  36. 36.105² =
  37. 37.75² =
  38. 38.185² =
  39. 39.95² =
  40. 40.125² =

Answer key

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

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