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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 691 · 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. 1.51² =
  2. 2.31² =
  3. 3.41² =
  4. 4.186² =
  5. 5.14² =
  6. 6.36² =
  7. 7.11² =
  8. 8.31² =
  9. 9.204² =
  10. 10.14² =
  11. 11.86² =
  12. 12.44² =
  13. 13.71² =
  14. 14.241² =
  15. 15.46² =
  16. 16.256² =
  17. 17.14² =
  18. 18.64² =
  19. 19.131² =
  20. 20.94² =
  21. 21.76² =
  22. 22.96² =
  23. 23.21² =
  24. 24.91² =
  25. 25.34² =
  26. 26.71² =
  27. 27.236² =
  28. 28.124² =
  29. 29.16² =
  30. 30.54² =
  31. 31.154² =
  32. 32.41² =
  33. 33.51² =
  34. 34.21² =
  35. 35.46² =
  36. 36.91² =
  37. 37.34² =
  38. 38.34² =
  39. 39.71² =
  40. 40.21² =

Answer key

  1. 2601
  2. 961
  3. 1681
  4. 34596
  5. 196
  6. 1296
  7. 121
  8. 961
  9. 41616
  10. 196
  11. 7396
  12. 1936
  13. 5041
  14. 58081
  15. 2116
  16. 65536
  17. 196
  18. 4096
  19. 17161
  20. 8836
  21. 5776
  22. 9216
  23. 441
  24. 8281
  25. 1156
  26. 5041
  27. 55696
  28. 15376
  29. 256
  30. 2916
  31. 23716
  32. 1681
  33. 2601
  34. 441
  35. 2116
  36. 8281
  37. 1156
  38. 1156
  39. 5041
  40. 441

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