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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 150 · 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. 2.135² =
  3. 3.85² =
  4. 4.135² =
  5. 5.175² =
  6. 6.175² =
  7. 7.45² =
  8. 8.65² =
  9. 9.35² =
  10. 10.35² =
  11. 11.195² =
  12. 12.195² =
  13. 13.65² =
  14. 14.155² =
  15. 15.155² =
  16. 16.35² =
  17. 17.155² =
  18. 18.65² =
  19. 19.195² =
  20. 20.45² =
  21. 21.85² =
  22. 22.165² =
  23. 23.55² =
  24. 24.145² =
  25. 25.65² =
  26. 26.165² =
  27. 27.15² =
  28. 28.175² =
  29. 29.85² =
  30. 30.165² =
  31. 31.85² =
  32. 32.45² =
  33. 33.145² =
  34. 34.35² =
  35. 35.45² =
  36. 36.35² =
  37. 37.155² =
  38. 38.125² =
  39. 39.135² =
  40. 40.15² =

Answer key

  1. 2025
  2. 18225
  3. 7225
  4. 18225
  5. 30625
  6. 30625
  7. 2025
  8. 4225
  9. 1225
  10. 1225
  11. 38025
  12. 38025
  13. 4225
  14. 24025
  15. 24025
  16. 1225
  17. 24025
  18. 4225
  19. 38025
  20. 2025
  21. 7225
  22. 27225
  23. 3025
  24. 21025
  25. 4225
  26. 27225
  27. 225
  28. 30625
  29. 7225
  30. 27225
  31. 7225
  32. 2025
  33. 21025
  34. 1225
  35. 2025
  36. 1225
  37. 24025
  38. 15625
  39. 18225
  40. 225

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