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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 195 · 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. 1.85² =
  2. 2.105² =
  3. 3.145² =
  4. 4.35² =
  5. 5.115² =
  6. 6.55² =
  7. 7.15² =
  8. 8.45² =
  9. 9.35² =
  10. 10.125² =
  11. 11.45² =
  12. 12.125² =
  13. 13.155² =
  14. 14.125² =
  15. 15.75² =
  16. 16.185² =
  17. 17.15² =
  18. 18.85² =
  19. 19.135² =
  20. 20.35² =
  21. 21.115² =
  22. 22.175² =
  23. 23.85² =
  24. 24.175² =
  25. 25.135² =
  26. 26.165² =
  27. 27.45² =
  28. 28.25² =
  29. 29.185² =
  30. 30.125² =
  31. 31.105² =
  32. 32.175² =
  33. 33.35² =
  34. 34.75² =
  35. 35.145² =
  36. 36.115² =
  37. 37.135² =
  38. 38.65² =
  39. 39.185² =
  40. 40.145² =

Answer key

  1. 7225
  2. 11025
  3. 21025
  4. 1225
  5. 13225
  6. 3025
  7. 225
  8. 2025
  9. 1225
  10. 15625
  11. 2025
  12. 15625
  13. 24025
  14. 15625
  15. 5625
  16. 34225
  17. 225
  18. 7225
  19. 18225
  20. 1225
  21. 13225
  22. 30625
  23. 7225
  24. 30625
  25. 18225
  26. 27225
  27. 2025
  28. 625
  29. 34225
  30. 15625
  31. 11025
  32. 30625
  33. 1225
  34. 5625
  35. 21025
  36. 13225
  37. 18225
  38. 4225
  39. 34225
  40. 21025

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