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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 85 · 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. 1.21² =
  2. 2.41² =
  3. 3.94² =
  4. 4.34² =
  5. 5.34² =
  6. 6.76² =
  7. 7.201² =
  8. 8.94² =
  9. 9.281² =
  10. 10.296² =
  11. 11.41² =
  12. 12.184² =
  13. 13.64² =
  14. 14.71² =
  15. 15.274² =
  16. 16.104² =
  17. 17.116² =
  18. 18.106² =
  19. 19.11² =
  20. 20.54² =
  21. 21.94² =
  22. 22.24² =
  23. 23.191² =
  24. 24.16² =
  25. 25.31² =
  26. 26.24² =
  27. 27.36² =
  28. 28.196² =
  29. 29.71² =
  30. 30.71² =
  31. 31.201² =
  32. 32.94² =
  33. 33.31² =
  34. 34.54² =
  35. 35.104² =
  36. 36.46² =
  37. 37.116² =
  38. 38.41² =
  39. 39.144² =
  40. 40.291² =

Answer key

  1. 441
  2. 1681
  3. 8836
  4. 1156
  5. 1156
  6. 5776
  7. 40401
  8. 8836
  9. 78961
  10. 87616
  11. 1681
  12. 33856
  13. 4096
  14. 5041
  15. 75076
  16. 10816
  17. 13456
  18. 11236
  19. 121
  20. 2916
  21. 8836
  22. 576
  23. 36481
  24. 256
  25. 961
  26. 576
  27. 1296
  28. 38416
  29. 5041
  30. 5041
  31. 40401
  32. 8836
  33. 961
  34. 2916
  35. 10816
  36. 2116
  37. 13456
  38. 1681
  39. 20736
  40. 84681

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