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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 640 · 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. 1.165² =
  2. 2.55² =
  3. 3.195² =
  4. 4.125² =
  5. 5.25² =
  6. 6.155² =
  7. 7.85² =
  8. 8.185² =
  9. 9.195² =
  10. 10.155² =
  11. 11.55² =
  12. 12.75² =
  13. 13.95² =
  14. 14.85² =
  15. 15.85² =
  16. 16.65² =
  17. 17.155² =
  18. 18.195² =
  19. 19.35² =
  20. 20.105² =
  21. 21.175² =
  22. 22.65² =
  23. 23.15² =
  24. 24.105² =
  25. 25.45² =
  26. 26.185² =
  27. 27.195² =
  28. 28.75² =
  29. 29.15² =
  30. 30.185² =
  31. 31.55² =
  32. 32.105² =
  33. 33.25² =
  34. 34.95² =
  35. 35.115² =
  36. 36.145² =
  37. 37.165² =
  38. 38.55² =
  39. 39.65² =
  40. 40.35² =

Answer key

  1. 27225
  2. 3025
  3. 38025
  4. 15625
  5. 625
  6. 24025
  7. 7225
  8. 34225
  9. 38025
  10. 24025
  11. 3025
  12. 5625
  13. 9025
  14. 7225
  15. 7225
  16. 4225
  17. 24025
  18. 38025
  19. 1225
  20. 11025
  21. 30625
  22. 4225
  23. 225
  24. 11025
  25. 2025
  26. 34225
  27. 38025
  28. 5625
  29. 225
  30. 34225
  31. 3025
  32. 11025
  33. 625
  34. 9025
  35. 13225
  36. 21025
  37. 27225
  38. 3025
  39. 4225
  40. 1225

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