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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 777 · 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. 2.195² =
  3. 3.145² =
  4. 4.115² =
  5. 5.135² =
  6. 6.75² =
  7. 7.145² =
  8. 8.125² =
  9. 9.135² =
  10. 10.125² =
  11. 11.55² =
  12. 12.25² =
  13. 13.75² =
  14. 14.195² =
  15. 15.35² =
  16. 16.185² =
  17. 17.65² =
  18. 18.115² =
  19. 19.15² =
  20. 20.195² =
  21. 21.55² =
  22. 22.85² =
  23. 23.115² =
  24. 24.45² =
  25. 25.35² =
  26. 26.135² =
  27. 27.35² =
  28. 28.95² =
  29. 29.135² =
  30. 30.15² =
  31. 31.125² =
  32. 32.125² =
  33. 33.145² =
  34. 34.35² =
  35. 35.115² =
  36. 36.65² =
  37. 37.145² =
  38. 38.85² =
  39. 39.165² =
  40. 40.15² =

Answer key

  1. 225
  2. 38025
  3. 21025
  4. 13225
  5. 18225
  6. 5625
  7. 21025
  8. 15625
  9. 18225
  10. 15625
  11. 3025
  12. 625
  13. 5625
  14. 38025
  15. 1225
  16. 34225
  17. 4225
  18. 13225
  19. 225
  20. 38025
  21. 3025
  22. 7225
  23. 13225
  24. 2025
  25. 1225
  26. 18225
  27. 1225
  28. 9025
  29. 18225
  30. 225
  31. 15625
  32. 15625
  33. 21025
  34. 1225
  35. 13225
  36. 4225
  37. 21025
  38. 7225
  39. 27225
  40. 225

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