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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 38 · 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. 1.35² =
  2. 2.65² =
  3. 3.145² =
  4. 4.55² =
  5. 5.175² =
  6. 6.115² =
  7. 7.145² =
  8. 8.75² =
  9. 9.125² =
  10. 10.15² =
  11. 11.15² =
  12. 12.55² =
  13. 13.155² =
  14. 14.15² =
  15. 15.35² =
  16. 16.85² =
  17. 17.45² =
  18. 18.15² =
  19. 19.165² =
  20. 20.85² =
  21. 21.55² =
  22. 22.95² =
  23. 23.15² =
  24. 24.165² =
  25. 25.25² =
  26. 26.35² =
  27. 27.165² =
  28. 28.155² =
  29. 29.115² =
  30. 30.145² =
  31. 31.135² =
  32. 32.135² =
  33. 33.105² =
  34. 34.25² =
  35. 35.55² =
  36. 36.15² =
  37. 37.85² =
  38. 38.145² =
  39. 39.65² =
  40. 40.15² =

Answer key

  1. 1225
  2. 4225
  3. 21025
  4. 3025
  5. 30625
  6. 13225
  7. 21025
  8. 5625
  9. 15625
  10. 225
  11. 225
  12. 3025
  13. 24025
  14. 225
  15. 1225
  16. 7225
  17. 2025
  18. 225
  19. 27225
  20. 7225
  21. 3025
  22. 9025
  23. 225
  24. 27225
  25. 625
  26. 1225
  27. 27225
  28. 24025
  29. 13225
  30. 21025
  31. 18225
  32. 18225
  33. 11025
  34. 625
  35. 3025
  36. 225
  37. 7225
  38. 21025
  39. 4225
  40. 225

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