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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 23 · 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. 2.115² =
  3. 3.35² =
  4. 4.15² =
  5. 5.55² =
  6. 6.25² =
  7. 7.15² =
  8. 8.155² =
  9. 9.145² =
  10. 10.115² =
  11. 11.125² =
  12. 12.35² =
  13. 13.45² =
  14. 14.35² =
  15. 15.125² =
  16. 16.185² =
  17. 17.85² =
  18. 18.145² =
  19. 19.35² =
  20. 20.155² =
  21. 21.35² =
  22. 22.75² =
  23. 23.55² =
  24. 24.175² =
  25. 25.15² =
  26. 26.95² =
  27. 27.195² =
  28. 28.135² =
  29. 29.95² =
  30. 30.155² =
  31. 31.45² =
  32. 32.75² =
  33. 33.45² =
  34. 34.125² =
  35. 35.155² =
  36. 36.105² =
  37. 37.155² =
  38. 38.85² =
  39. 39.195² =
  40. 40.195² =

Answer key

  1. 1225
  2. 13225
  3. 1225
  4. 225
  5. 3025
  6. 625
  7. 225
  8. 24025
  9. 21025
  10. 13225
  11. 15625
  12. 1225
  13. 2025
  14. 1225
  15. 15625
  16. 34225
  17. 7225
  18. 21025
  19. 1225
  20. 24025
  21. 1225
  22. 5625
  23. 3025
  24. 30625
  25. 225
  26. 9025
  27. 38025
  28. 18225
  29. 9025
  30. 24025
  31. 2025
  32. 5625
  33. 2025
  34. 15625
  35. 24025
  36. 11025
  37. 24025
  38. 7225
  39. 38025
  40. 38025

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