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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 400 · 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. 1.135² =
  2. 2.155² =
  3. 3.25² =
  4. 4.35² =
  5. 5.75² =
  6. 6.185² =
  7. 7.95² =
  8. 8.175² =
  9. 9.55² =
  10. 10.75² =
  11. 11.135² =
  12. 12.145² =
  13. 13.145² =
  14. 14.105² =
  15. 15.45² =
  16. 16.145² =
  17. 17.75² =
  18. 18.125² =
  19. 19.75² =
  20. 20.165² =
  21. 21.25² =
  22. 22.15² =
  23. 23.15² =
  24. 24.75² =
  25. 25.25² =
  26. 26.95² =
  27. 27.45² =
  28. 28.25² =
  29. 29.135² =
  30. 30.45² =
  31. 31.165² =
  32. 32.85² =
  33. 33.15² =
  34. 34.85² =
  35. 35.25² =
  36. 36.175² =
  37. 37.145² =
  38. 38.145² =
  39. 39.65² =
  40. 40.45² =

Answer key

  1. 18225
  2. 24025
  3. 625
  4. 1225
  5. 5625
  6. 34225
  7. 9025
  8. 30625
  9. 3025
  10. 5625
  11. 18225
  12. 21025
  13. 21025
  14. 11025
  15. 2025
  16. 21025
  17. 5625
  18. 15625
  19. 5625
  20. 27225
  21. 625
  22. 225
  23. 225
  24. 5625
  25. 625
  26. 9025
  27. 2025
  28. 625
  29. 18225
  30. 2025
  31. 27225
  32. 7225
  33. 225
  34. 7225
  35. 625
  36. 30625
  37. 21025
  38. 21025
  39. 4225
  40. 2025

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