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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 921 · 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. 1.45² =
  2. 2.45² =
  3. 3.125² =
  4. 4.175² =
  5. 5.15² =
  6. 6.175² =
  7. 7.185² =
  8. 8.125² =
  9. 9.95² =
  10. 10.55² =
  11. 11.55² =
  12. 12.115² =
  13. 13.105² =
  14. 14.25² =
  15. 15.195² =
  16. 16.115² =
  17. 17.155² =
  18. 18.185² =
  19. 19.35² =
  20. 20.165² =
  21. 21.195² =
  22. 22.35² =
  23. 23.35² =
  24. 24.115² =
  25. 25.75² =
  26. 26.165² =
  27. 27.35² =
  28. 28.95² =
  29. 29.75² =
  30. 30.145² =
  31. 31.15² =
  32. 32.175² =
  33. 33.25² =
  34. 34.45² =
  35. 35.185² =
  36. 36.35² =
  37. 37.165² =
  38. 38.85² =
  39. 39.55² =
  40. 40.15² =

Answer key

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

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