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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 404 · 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. 1.115² =
  2. 2.45² =
  3. 3.25² =
  4. 4.85² =
  5. 5.115² =
  6. 6.195² =
  7. 7.15² =
  8. 8.95² =
  9. 9.85² =
  10. 10.145² =
  11. 11.45² =
  12. 12.145² =
  13. 13.85² =
  14. 14.25² =
  15. 15.165² =
  16. 16.15² =
  17. 17.155² =
  18. 18.25² =
  19. 19.125² =
  20. 20.185² =
  21. 21.115² =
  22. 22.175² =
  23. 23.185² =
  24. 24.35² =
  25. 25.15² =
  26. 26.115² =
  27. 27.155² =
  28. 28.35² =
  29. 29.125² =
  30. 30.145² =
  31. 31.35² =
  32. 32.135² =
  33. 33.15² =
  34. 34.185² =
  35. 35.165² =
  36. 36.175² =
  37. 37.125² =
  38. 38.25² =
  39. 39.195² =
  40. 40.75² =

Answer key

  1. 13225
  2. 2025
  3. 625
  4. 7225
  5. 13225
  6. 38025
  7. 225
  8. 9025
  9. 7225
  10. 21025
  11. 2025
  12. 21025
  13. 7225
  14. 625
  15. 27225
  16. 225
  17. 24025
  18. 625
  19. 15625
  20. 34225
  21. 13225
  22. 30625
  23. 34225
  24. 1225
  25. 225
  26. 13225
  27. 24025
  28. 1225
  29. 15625
  30. 21025
  31. 1225
  32. 18225
  33. 225
  34. 34225
  35. 27225
  36. 30625
  37. 15625
  38. 625
  39. 38025
  40. 5625

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