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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 70 · 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. 3.45² =
  4. 4.55² =
  5. 5.165² =
  6. 6.85² =
  7. 7.35² =
  8. 8.135² =
  9. 9.95² =
  10. 10.195² =
  11. 11.65² =
  12. 12.105² =
  13. 13.15² =
  14. 14.65² =
  15. 15.145² =
  16. 16.145² =
  17. 17.55² =
  18. 18.35² =
  19. 19.45² =
  20. 20.175² =
  21. 21.195² =
  22. 22.15² =
  23. 23.125² =
  24. 24.165² =
  25. 25.135² =
  26. 26.165² =
  27. 27.75² =
  28. 28.55² =
  29. 29.145² =
  30. 30.85² =
  31. 31.165² =
  32. 32.95² =
  33. 33.45² =
  34. 34.105² =
  35. 35.45² =
  36. 36.45² =
  37. 37.95² =
  38. 38.165² =
  39. 39.125² =
  40. 40.95² =

Answer key

  1. 225
  2. 225
  3. 2025
  4. 3025
  5. 27225
  6. 7225
  7. 1225
  8. 18225
  9. 9025
  10. 38025
  11. 4225
  12. 11025
  13. 225
  14. 4225
  15. 21025
  16. 21025
  17. 3025
  18. 1225
  19. 2025
  20. 30625
  21. 38025
  22. 225
  23. 15625
  24. 27225
  25. 18225
  26. 27225
  27. 5625
  28. 3025
  29. 21025
  30. 7225
  31. 27225
  32. 9025
  33. 2025
  34. 11025
  35. 2025
  36. 2025
  37. 9025
  38. 27225
  39. 15625
  40. 9025

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