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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 591 · 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. 1.15² =
  2. 2.65² =
  3. 3.35² =
  4. 4.65² =
  5. 5.95² =
  6. 6.195² =
  7. 7.145² =
  8. 8.115² =
  9. 9.165² =
  10. 10.85² =
  11. 11.65² =
  12. 12.125² =
  13. 13.185² =
  14. 14.185² =
  15. 15.35² =
  16. 16.195² =
  17. 17.195² =
  18. 18.165² =
  19. 19.195² =
  20. 20.195² =
  21. 21.125² =
  22. 22.75² =
  23. 23.85² =
  24. 24.55² =
  25. 25.165² =
  26. 26.185² =
  27. 27.55² =
  28. 28.175² =
  29. 29.105² =
  30. 30.165² =
  31. 31.15² =
  32. 32.75² =
  33. 33.85² =
  34. 34.125² =
  35. 35.115² =
  36. 36.85² =
  37. 37.175² =
  38. 38.155² =
  39. 39.95² =
  40. 40.45² =

Answer key

  1. 225
  2. 4225
  3. 1225
  4. 4225
  5. 9025
  6. 38025
  7. 21025
  8. 13225
  9. 27225
  10. 7225
  11. 4225
  12. 15625
  13. 34225
  14. 34225
  15. 1225
  16. 38025
  17. 38025
  18. 27225
  19. 38025
  20. 38025
  21. 15625
  22. 5625
  23. 7225
  24. 3025
  25. 27225
  26. 34225
  27. 3025
  28. 30625
  29. 11025
  30. 27225
  31. 225
  32. 5625
  33. 7225
  34. 15625
  35. 13225
  36. 7225
  37. 30625
  38. 24025
  39. 9025
  40. 2025

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