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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 720 · 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. 2.15² =
  3. 3.165² =
  4. 4.15² =
  5. 5.45² =
  6. 6.25² =
  7. 7.195² =
  8. 8.105² =
  9. 9.105² =
  10. 10.165² =
  11. 11.195² =
  12. 12.115² =
  13. 13.155² =
  14. 14.145² =
  15. 15.25² =
  16. 16.195² =
  17. 17.95² =
  18. 18.165² =
  19. 19.15² =
  20. 20.105² =
  21. 21.115² =
  22. 22.155² =
  23. 23.165² =
  24. 24.15² =
  25. 25.15² =
  26. 26.175² =
  27. 27.145² =
  28. 28.125² =
  29. 29.105² =
  30. 30.115² =
  31. 31.165² =
  32. 32.15² =
  33. 33.185² =
  34. 34.115² =
  35. 35.95² =
  36. 36.115² =
  37. 37.25² =
  38. 38.165² =
  39. 39.35² =
  40. 40.55² =

Answer key

  1. 13225
  2. 225
  3. 27225
  4. 225
  5. 2025
  6. 625
  7. 38025
  8. 11025
  9. 11025
  10. 27225
  11. 38025
  12. 13225
  13. 24025
  14. 21025
  15. 625
  16. 38025
  17. 9025
  18. 27225
  19. 225
  20. 11025
  21. 13225
  22. 24025
  23. 27225
  24. 225
  25. 225
  26. 30625
  27. 21025
  28. 15625
  29. 11025
  30. 13225
  31. 27225
  32. 225
  33. 34225
  34. 13225
  35. 9025
  36. 13225
  37. 625
  38. 27225
  39. 1225
  40. 3025

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