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Squares Ending in 5 Worksheet

Vedic maths trick 2: Squares of numbers ending in 5 · Set 429 · 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. 1.165² =
  2. 2.15² =
  3. 3.105² =
  4. 4.145² =
  5. 5.35² =
  6. 6.85² =
  7. 7.75² =
  8. 8.145² =
  9. 9.35² =
  10. 10.45² =
  11. 11.195² =
  12. 12.85² =
  13. 13.185² =
  14. 14.65² =
  15. 15.155² =
  16. 16.185² =
  17. 17.165² =
  18. 18.45² =
  19. 19.85² =
  20. 20.185² =
  21. 21.135² =
  22. 22.25² =
  23. 23.165² =
  24. 24.85² =
  25. 25.125² =
  26. 26.25² =
  27. 27.85² =
  28. 28.35² =
  29. 29.75² =
  30. 30.115² =
  31. 31.25² =
  32. 32.115² =
  33. 33.55² =
  34. 34.105² =
  35. 35.195² =
  36. 36.135² =
  37. 37.105² =
  38. 38.145² =
  39. 39.185² =
  40. 40.75² =

Answer key

  1. 27225
  2. 225
  3. 11025
  4. 21025
  5. 1225
  6. 7225
  7. 5625
  8. 21025
  9. 1225
  10. 2025
  11. 38025
  12. 7225
  13. 34225
  14. 4225
  15. 24025
  16. 34225
  17. 27225
  18. 2025
  19. 7225
  20. 34225
  21. 18225
  22. 625
  23. 27225
  24. 7225
  25. 15625
  26. 625
  27. 7225
  28. 1225
  29. 5625
  30. 13225
  31. 625
  32. 13225
  33. 3025
  34. 11025
  35. 38025
  36. 18225
  37. 11025
  38. 21025
  39. 34225
  40. 5625

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