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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 667 · 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. 1.45² =
  2. 2.25² =
  3. 3.75² =
  4. 4.35² =
  5. 5.15² =
  6. 6.145² =
  7. 7.25² =
  8. 8.165² =
  9. 9.55² =
  10. 10.155² =
  11. 11.65² =
  12. 12.145² =
  13. 13.45² =
  14. 14.55² =
  15. 15.155² =
  16. 16.35² =
  17. 17.125² =
  18. 18.95² =
  19. 19.125² =
  20. 20.105² =
  21. 21.155² =
  22. 22.35² =
  23. 23.165² =
  24. 24.195² =
  25. 25.105² =
  26. 26.15² =
  27. 27.35² =
  28. 28.55² =
  29. 29.135² =
  30. 30.115² =
  31. 31.65² =
  32. 32.25² =
  33. 33.85² =
  34. 34.15² =
  35. 35.135² =
  36. 36.165² =
  37. 37.25² =
  38. 38.95² =
  39. 39.65² =
  40. 40.165² =

Answer key

  1. 2025
  2. 625
  3. 5625
  4. 1225
  5. 225
  6. 21025
  7. 625
  8. 27225
  9. 3025
  10. 24025
  11. 4225
  12. 21025
  13. 2025
  14. 3025
  15. 24025
  16. 1225
  17. 15625
  18. 9025
  19. 15625
  20. 11025
  21. 24025
  22. 1225
  23. 27225
  24. 38025
  25. 11025
  26. 225
  27. 1225
  28. 3025
  29. 18225
  30. 13225
  31. 4225
  32. 625
  33. 7225
  34. 225
  35. 18225
  36. 27225
  37. 625
  38. 9025
  39. 4225
  40. 27225

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