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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 20 · 40 sums
TalentJR

The trick (Ekadhikena Purvena): Ending in 1 (t1): t² | 2 × t | 1, carrying from the right. Ending in 4: square the next number (ends in 5), then take away the two numbers added together. Ending in 6: square the number before (ends in 5), then add the two numbers.

NameDateTime takenScore ___ / 40
  1. 1.24² =
  2. 2.54² =
  3. 3.74² =
  4. 4.26² =
  5. 5.291² =
  6. 6.11² =
  7. 7.81² =
  8. 8.84² =
  9. 9.84² =
  10. 10.154² =
  11. 11.44² =
  12. 12.51² =
  13. 13.84² =
  14. 14.96² =
  15. 15.151² =
  16. 16.36² =
  17. 17.26² =
  18. 18.11² =
  19. 19.14² =
  20. 20.21² =
  21. 21.31² =
  22. 22.281² =
  23. 23.24² =
  24. 24.74² =
  25. 25.21² =
  26. 26.61² =
  27. 27.84² =
  28. 28.31² =
  29. 29.56² =
  30. 30.271² =
  31. 31.41² =
  32. 32.301² =
  33. 33.54² =
  34. 34.21² =
  35. 35.74² =
  36. 36.116² =
  37. 37.36² =
  38. 38.46² =
  39. 39.96² =
  40. 40.41² =

Answer key

  1. 576
  2. 2916
  3. 5476
  4. 676
  5. 84681
  6. 121
  7. 6561
  8. 7056
  9. 7056
  10. 23716
  11. 1936
  12. 2601
  13. 7056
  14. 9216
  15. 22801
  16. 1296
  17. 676
  18. 121
  19. 196
  20. 441
  21. 961
  22. 78961
  23. 576
  24. 5476
  25. 441
  26. 3721
  27. 7056
  28. 961
  29. 3136
  30. 73441
  31. 1681
  32. 90601
  33. 2916
  34. 441
  35. 5476
  36. 13456
  37. 1296
  38. 2116
  39. 9216
  40. 1681

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