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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 288 · 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. 1.155² =
  2. 2.135² =
  3. 3.125² =
  4. 4.15² =
  5. 5.65² =
  6. 6.55² =
  7. 7.45² =
  8. 8.175² =
  9. 9.25² =
  10. 10.25² =
  11. 11.105² =
  12. 12.115² =
  13. 13.65² =
  14. 14.55² =
  15. 15.145² =
  16. 16.195² =
  17. 17.155² =
  18. 18.125² =
  19. 19.115² =
  20. 20.175² =
  21. 21.195² =
  22. 22.55² =
  23. 23.155² =
  24. 24.65² =
  25. 25.25² =
  26. 26.55² =
  27. 27.45² =
  28. 28.55² =
  29. 29.55² =
  30. 30.135² =
  31. 31.15² =
  32. 32.85² =
  33. 33.165² =
  34. 34.15² =
  35. 35.175² =
  36. 36.95² =
  37. 37.195² =
  38. 38.175² =
  39. 39.15² =
  40. 40.75² =

Answer key

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

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