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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 511 · 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. 2.35² =
  3. 3.65² =
  4. 4.55² =
  5. 5.135² =
  6. 6.85² =
  7. 7.165² =
  8. 8.135² =
  9. 9.105² =
  10. 10.45² =
  11. 11.35² =
  12. 12.65² =
  13. 13.175² =
  14. 14.195² =
  15. 15.165² =
  16. 16.185² =
  17. 17.145² =
  18. 18.125² =
  19. 19.115² =
  20. 20.25² =
  21. 21.45² =
  22. 22.65² =
  23. 23.25² =
  24. 24.95² =
  25. 25.95² =
  26. 26.55² =
  27. 27.95² =
  28. 28.155² =
  29. 29.55² =
  30. 30.175² =
  31. 31.155² =
  32. 32.145² =
  33. 33.115² =
  34. 34.35² =
  35. 35.155² =
  36. 36.55² =
  37. 37.165² =
  38. 38.95² =
  39. 39.75² =
  40. 40.185² =

Answer key

  1. 3025
  2. 1225
  3. 4225
  4. 3025
  5. 18225
  6. 7225
  7. 27225
  8. 18225
  9. 11025
  10. 2025
  11. 1225
  12. 4225
  13. 30625
  14. 38025
  15. 27225
  16. 34225
  17. 21025
  18. 15625
  19. 13225
  20. 625
  21. 2025
  22. 4225
  23. 625
  24. 9025
  25. 9025
  26. 3025
  27. 9025
  28. 24025
  29. 3025
  30. 30625
  31. 24025
  32. 21025
  33. 13225
  34. 1225
  35. 24025
  36. 3025
  37. 27225
  38. 9025
  39. 5625
  40. 34225

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