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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 489 · 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. 2.55² =
  3. 3.165² =
  4. 4.175² =
  5. 5.125² =
  6. 6.15² =
  7. 7.15² =
  8. 8.15² =
  9. 9.95² =
  10. 10.115² =
  11. 11.185² =
  12. 12.185² =
  13. 13.175² =
  14. 14.75² =
  15. 15.75² =
  16. 16.35² =
  17. 17.175² =
  18. 18.75² =
  19. 19.45² =
  20. 20.45² =
  21. 21.85² =
  22. 22.185² =
  23. 23.115² =
  24. 24.105² =
  25. 25.55² =
  26. 26.95² =
  27. 27.195² =
  28. 28.105² =
  29. 29.45² =
  30. 30.145² =
  31. 31.15² =
  32. 32.25² =
  33. 33.15² =
  34. 34.25² =
  35. 35.45² =
  36. 36.135² =
  37. 37.85² =
  38. 38.25² =
  39. 39.135² =
  40. 40.85² =

Answer key

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

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