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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 81 · 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. 1.125² =
  2. 2.75² =
  3. 3.135² =
  4. 4.75² =
  5. 5.155² =
  6. 6.85² =
  7. 7.55² =
  8. 8.15² =
  9. 9.85² =
  10. 10.45² =
  11. 11.45² =
  12. 12.85² =
  13. 13.95² =
  14. 14.65² =
  15. 15.115² =
  16. 16.75² =
  17. 17.185² =
  18. 18.185² =
  19. 19.55² =
  20. 20.15² =
  21. 21.165² =
  22. 22.65² =
  23. 23.185² =
  24. 24.125² =
  25. 25.145² =
  26. 26.45² =
  27. 27.145² =
  28. 28.75² =
  29. 29.35² =
  30. 30.25² =
  31. 31.165² =
  32. 32.145² =
  33. 33.75² =
  34. 34.65² =
  35. 35.95² =
  36. 36.75² =
  37. 37.25² =
  38. 38.35² =
  39. 39.95² =
  40. 40.135² =

Answer key

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

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