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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 100 · 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. 1.85² =
  2. 2.195² =
  3. 3.85² =
  4. 4.125² =
  5. 5.135² =
  6. 6.75² =
  7. 7.35² =
  8. 8.185² =
  9. 9.75² =
  10. 10.15² =
  11. 11.185² =
  12. 12.45² =
  13. 13.175² =
  14. 14.145² =
  15. 15.155² =
  16. 16.195² =
  17. 17.25² =
  18. 18.65² =
  19. 19.15² =
  20. 20.45² =
  21. 21.195² =
  22. 22.25² =
  23. 23.65² =
  24. 24.35² =
  25. 25.185² =
  26. 26.15² =
  27. 27.115² =
  28. 28.45² =
  29. 29.105² =
  30. 30.15² =
  31. 31.15² =
  32. 32.55² =
  33. 33.85² =
  34. 34.105² =
  35. 35.195² =
  36. 36.175² =
  37. 37.195² =
  38. 38.45² =
  39. 39.75² =
  40. 40.55² =

Answer key

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

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