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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 721 · 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. 1.41² =
  2. 2.236² =
  3. 3.31² =
  4. 4.31² =
  5. 5.34² =
  6. 6.34² =
  7. 7.21² =
  8. 8.14² =
  9. 9.144² =
  10. 10.134² =
  11. 11.196² =
  12. 12.136² =
  13. 13.216² =
  14. 14.61² =
  15. 15.36² =
  16. 16.16² =
  17. 17.74² =
  18. 18.224² =
  19. 19.31² =
  20. 20.36² =
  21. 21.256² =
  22. 22.194² =
  23. 23.86² =
  24. 24.226² =
  25. 25.194² =
  26. 26.91² =
  27. 27.21² =
  28. 28.216² =
  29. 29.46² =
  30. 30.186² =
  31. 31.211² =
  32. 32.81² =
  33. 33.41² =
  34. 34.94² =
  35. 35.76² =
  36. 36.111² =
  37. 37.24² =
  38. 38.46² =
  39. 39.151² =
  40. 40.91² =

Answer key

  1. 1681
  2. 55696
  3. 961
  4. 961
  5. 1156
  6. 1156
  7. 441
  8. 196
  9. 20736
  10. 17956
  11. 38416
  12. 18496
  13. 46656
  14. 3721
  15. 1296
  16. 256
  17. 5476
  18. 50176
  19. 961
  20. 1296
  21. 65536
  22. 37636
  23. 7396
  24. 51076
  25. 37636
  26. 8281
  27. 441
  28. 46656
  29. 2116
  30. 34596
  31. 44521
  32. 6561
  33. 1681
  34. 8836
  35. 5776
  36. 12321
  37. 576
  38. 2116
  39. 22801
  40. 8281

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