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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 645 · 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. 1.55² =
  2. 2.55² =
  3. 3.155² =
  4. 4.115² =
  5. 5.85² =
  6. 6.25² =
  7. 7.155² =
  8. 8.105² =
  9. 9.25² =
  10. 10.135² =
  11. 11.75² =
  12. 12.75² =
  13. 13.135² =
  14. 14.145² =
  15. 15.25² =
  16. 16.15² =
  17. 17.115² =
  18. 18.185² =
  19. 19.165² =
  20. 20.135² =
  21. 21.65² =
  22. 22.125² =
  23. 23.55² =
  24. 24.15² =
  25. 25.105² =
  26. 26.145² =
  27. 27.15² =
  28. 28.165² =
  29. 29.155² =
  30. 30.115² =
  31. 31.15² =
  32. 32.15² =
  33. 33.85² =
  34. 34.85² =
  35. 35.45² =
  36. 36.45² =
  37. 37.55² =
  38. 38.115² =
  39. 39.115² =
  40. 40.125² =

Answer key

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

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