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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 728 · 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. 2.165² =
  3. 3.135² =
  4. 4.155² =
  5. 5.95² =
  6. 6.195² =
  7. 7.95² =
  8. 8.85² =
  9. 9.145² =
  10. 10.135² =
  11. 11.15² =
  12. 12.65² =
  13. 13.65² =
  14. 14.155² =
  15. 15.45² =
  16. 16.135² =
  17. 17.55² =
  18. 18.85² =
  19. 19.115² =
  20. 20.15² =
  21. 21.175² =
  22. 22.105² =
  23. 23.125² =
  24. 24.145² =
  25. 25.185² =
  26. 26.135² =
  27. 27.145² =
  28. 28.125² =
  29. 29.135² =
  30. 30.135² =
  31. 31.185² =
  32. 32.175² =
  33. 33.125² =
  34. 34.135² =
  35. 35.165² =
  36. 36.75² =
  37. 37.25² =
  38. 38.75² =
  39. 39.115² =
  40. 40.155² =

Answer key

  1. 7225
  2. 27225
  3. 18225
  4. 24025
  5. 9025
  6. 38025
  7. 9025
  8. 7225
  9. 21025
  10. 18225
  11. 225
  12. 4225
  13. 4225
  14. 24025
  15. 2025
  16. 18225
  17. 3025
  18. 7225
  19. 13225
  20. 225
  21. 30625
  22. 11025
  23. 15625
  24. 21025
  25. 34225
  26. 18225
  27. 21025
  28. 15625
  29. 18225
  30. 18225
  31. 34225
  32. 30625
  33. 15625
  34. 18225
  35. 27225
  36. 5625
  37. 625
  38. 5625
  39. 13225
  40. 24025

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