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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 639 · 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. 2.125² =
  3. 3.25² =
  4. 4.165² =
  5. 5.115² =
  6. 6.65² =
  7. 7.185² =
  8. 8.175² =
  9. 9.45² =
  10. 10.195² =
  11. 11.15² =
  12. 12.175² =
  13. 13.55² =
  14. 14.155² =
  15. 15.155² =
  16. 16.155² =
  17. 17.65² =
  18. 18.145² =
  19. 19.35² =
  20. 20.115² =
  21. 21.155² =
  22. 22.45² =
  23. 23.95² =
  24. 24.185² =
  25. 25.85² =
  26. 26.115² =
  27. 27.35² =
  28. 28.155² =
  29. 29.95² =
  30. 30.15² =
  31. 31.125² =
  32. 32.105² =
  33. 33.95² =
  34. 34.195² =
  35. 35.65² =
  36. 36.35² =
  37. 37.105² =
  38. 38.45² =
  39. 39.195² =
  40. 40.135² =

Answer key

  1. 1225
  2. 15625
  3. 625
  4. 27225
  5. 13225
  6. 4225
  7. 34225
  8. 30625
  9. 2025
  10. 38025
  11. 225
  12. 30625
  13. 3025
  14. 24025
  15. 24025
  16. 24025
  17. 4225
  18. 21025
  19. 1225
  20. 13225
  21. 24025
  22. 2025
  23. 9025
  24. 34225
  25. 7225
  26. 13225
  27. 1225
  28. 24025
  29. 9025
  30. 225
  31. 15625
  32. 11025
  33. 9025
  34. 38025
  35. 4225
  36. 1225
  37. 11025
  38. 2025
  39. 38025
  40. 18225

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