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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 20 · 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. 1.155² =
  2. 2.15² =
  3. 3.55² =
  4. 4.75² =
  5. 5.135² =
  6. 6.185² =
  7. 7.125² =
  8. 8.155² =
  9. 9.25² =
  10. 10.185² =
  11. 11.105² =
  12. 12.65² =
  13. 13.75² =
  14. 14.115² =
  15. 15.45² =
  16. 16.145² =
  17. 17.85² =
  18. 18.95² =
  19. 19.95² =
  20. 20.75² =
  21. 21.165² =
  22. 22.85² =
  23. 23.45² =
  24. 24.115² =
  25. 25.65² =
  26. 26.115² =
  27. 27.35² =
  28. 28.65² =
  29. 29.95² =
  30. 30.25² =
  31. 31.155² =
  32. 32.195² =
  33. 33.45² =
  34. 34.25² =
  35. 35.115² =
  36. 36.75² =
  37. 37.135² =
  38. 38.175² =
  39. 39.45² =
  40. 40.95² =

Answer key

  1. 24025
  2. 225
  3. 3025
  4. 5625
  5. 18225
  6. 34225
  7. 15625
  8. 24025
  9. 625
  10. 34225
  11. 11025
  12. 4225
  13. 5625
  14. 13225
  15. 2025
  16. 21025
  17. 7225
  18. 9025
  19. 9025
  20. 5625
  21. 27225
  22. 7225
  23. 2025
  24. 13225
  25. 4225
  26. 13225
  27. 1225
  28. 4225
  29. 9025
  30. 625
  31. 24025
  32. 38025
  33. 2025
  34. 625
  35. 13225
  36. 5625
  37. 18225
  38. 30625
  39. 2025
  40. 9025

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