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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 413 · 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. 1.26² =
  2. 2.221² =
  3. 3.11² =
  4. 4.64² =
  5. 5.144² =
  6. 6.11² =
  7. 7.26² =
  8. 8.41² =
  9. 9.101² =
  10. 10.211² =
  11. 11.151² =
  12. 12.224² =
  13. 13.94² =
  14. 14.64² =
  15. 15.131² =
  16. 16.51² =
  17. 17.161² =
  18. 18.14² =
  19. 19.41² =
  20. 20.76² =
  21. 21.31² =
  22. 22.76² =
  23. 23.21² =
  24. 24.306² =
  25. 25.96² =
  26. 26.26² =
  27. 27.16² =
  28. 28.81² =
  29. 29.86² =
  30. 30.64² =
  31. 31.256² =
  32. 32.96² =
  33. 33.31² =
  34. 34.41² =
  35. 35.256² =
  36. 36.244² =
  37. 37.171² =
  38. 38.121² =
  39. 39.211² =
  40. 40.264² =

Answer key

  1. 676
  2. 48841
  3. 121
  4. 4096
  5. 20736
  6. 121
  7. 676
  8. 1681
  9. 10201
  10. 44521
  11. 22801
  12. 50176
  13. 8836
  14. 4096
  15. 17161
  16. 2601
  17. 25921
  18. 196
  19. 1681
  20. 5776
  21. 961
  22. 5776
  23. 441
  24. 93636
  25. 9216
  26. 676
  27. 256
  28. 6561
  29. 7396
  30. 4096
  31. 65536
  32. 9216
  33. 961
  34. 1681
  35. 65536
  36. 59536
  37. 29241
  38. 14641
  39. 44521
  40. 69696

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