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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 399 · 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. 1.85² =
  2. 2.15² =
  3. 3.95² =
  4. 4.25² =
  5. 5.85² =
  6. 6.165² =
  7. 7.55² =
  8. 8.45² =
  9. 9.35² =
  10. 10.25² =
  11. 11.35² =
  12. 12.35² =
  13. 13.65² =
  14. 14.65² =
  15. 15.25² =
  16. 16.95² =
  17. 17.55² =
  18. 18.145² =
  19. 19.135² =
  20. 20.185² =
  21. 21.85² =
  22. 22.65² =
  23. 23.135² =
  24. 24.105² =
  25. 25.145² =
  26. 26.65² =
  27. 27.135² =
  28. 28.145² =
  29. 29.45² =
  30. 30.55² =
  31. 31.75² =
  32. 32.185² =
  33. 33.95² =
  34. 34.25² =
  35. 35.95² =
  36. 36.15² =
  37. 37.55² =
  38. 38.25² =
  39. 39.25² =
  40. 40.65² =

Answer key

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

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