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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 300 · 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. 2.15² =
  3. 3.145² =
  4. 4.105² =
  5. 5.85² =
  6. 6.195² =
  7. 7.185² =
  8. 8.155² =
  9. 9.155² =
  10. 10.185² =
  11. 11.65² =
  12. 12.115² =
  13. 13.195² =
  14. 14.45² =
  15. 15.135² =
  16. 16.55² =
  17. 17.75² =
  18. 18.35² =
  19. 19.15² =
  20. 20.105² =
  21. 21.55² =
  22. 22.35² =
  23. 23.185² =
  24. 24.75² =
  25. 25.95² =
  26. 26.185² =
  27. 27.55² =
  28. 28.95² =
  29. 29.15² =
  30. 30.195² =
  31. 31.185² =
  32. 32.35² =
  33. 33.75² =
  34. 34.125² =
  35. 35.55² =
  36. 36.125² =
  37. 37.135² =
  38. 38.135² =
  39. 39.35² =
  40. 40.85² =

Answer key

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

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