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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 816 · 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. 2.105² =
  3. 3.155² =
  4. 4.165² =
  5. 5.25² =
  6. 6.145² =
  7. 7.155² =
  8. 8.25² =
  9. 9.85² =
  10. 10.125² =
  11. 11.175² =
  12. 12.95² =
  13. 13.175² =
  14. 14.185² =
  15. 15.45² =
  16. 16.145² =
  17. 17.105² =
  18. 18.105² =
  19. 19.15² =
  20. 20.75² =
  21. 21.15² =
  22. 22.105² =
  23. 23.15² =
  24. 24.55² =
  25. 25.175² =
  26. 26.155² =
  27. 27.45² =
  28. 28.45² =
  29. 29.125² =
  30. 30.175² =
  31. 31.95² =
  32. 32.105² =
  33. 33.75² =
  34. 34.165² =
  35. 35.25² =
  36. 36.105² =
  37. 37.55² =
  38. 38.55² =
  39. 39.165² =
  40. 40.95² =

Answer key

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

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