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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 285 · 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. 1.15² =
  2. 2.15² =
  3. 3.145² =
  4. 4.185² =
  5. 5.15² =
  6. 6.155² =
  7. 7.145² =
  8. 8.95² =
  9. 9.125² =
  10. 10.185² =
  11. 11.35² =
  12. 12.175² =
  13. 13.45² =
  14. 14.85² =
  15. 15.35² =
  16. 16.155² =
  17. 17.125² =
  18. 18.185² =
  19. 19.15² =
  20. 20.155² =
  21. 21.115² =
  22. 22.35² =
  23. 23.55² =
  24. 24.125² =
  25. 25.165² =
  26. 26.185² =
  27. 27.85² =
  28. 28.65² =
  29. 29.85² =
  30. 30.195² =
  31. 31.145² =
  32. 32.95² =
  33. 33.175² =
  34. 34.115² =
  35. 35.165² =
  36. 36.55² =
  37. 37.55² =
  38. 38.105² =
  39. 39.55² =
  40. 40.75² =

Answer key

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

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