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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 40 · 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. 1.65² =
  2. 2.145² =
  3. 3.35² =
  4. 4.75² =
  5. 5.15² =
  6. 6.165² =
  7. 7.105² =
  8. 8.95² =
  9. 9.155² =
  10. 10.185² =
  11. 11.165² =
  12. 12.135² =
  13. 13.185² =
  14. 14.55² =
  15. 15.75² =
  16. 16.95² =
  17. 17.125² =
  18. 18.125² =
  19. 19.45² =
  20. 20.95² =
  21. 21.95² =
  22. 22.55² =
  23. 23.15² =
  24. 24.155² =
  25. 25.25² =
  26. 26.115² =
  27. 27.55² =
  28. 28.85² =
  29. 29.175² =
  30. 30.45² =
  31. 31.25² =
  32. 32.175² =
  33. 33.175² =
  34. 34.25² =
  35. 35.95² =
  36. 36.145² =
  37. 37.145² =
  38. 38.145² =
  39. 39.45² =
  40. 40.95² =

Answer key

  1. 4225
  2. 21025
  3. 1225
  4. 5625
  5. 225
  6. 27225
  7. 11025
  8. 9025
  9. 24025
  10. 34225
  11. 27225
  12. 18225
  13. 34225
  14. 3025
  15. 5625
  16. 9025
  17. 15625
  18. 15625
  19. 2025
  20. 9025
  21. 9025
  22. 3025
  23. 225
  24. 24025
  25. 625
  26. 13225
  27. 3025
  28. 7225
  29. 30625
  30. 2025
  31. 625
  32. 30625
  33. 30625
  34. 625
  35. 9025
  36. 21025
  37. 21025
  38. 21025
  39. 2025
  40. 9025

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