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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 613 · 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. 2.56² =
  3. 3.14² =
  4. 4.81² =
  5. 5.116² =
  6. 6.31² =
  7. 7.94² =
  8. 8.284² =
  9. 9.71² =
  10. 10.261² =
  11. 11.54² =
  12. 12.104² =
  13. 13.21² =
  14. 14.91² =
  15. 15.74² =
  16. 16.86² =
  17. 17.71² =
  18. 18.96² =
  19. 19.26² =
  20. 20.94² =
  21. 21.64² =
  22. 22.241² =
  23. 23.14² =
  24. 24.14² =
  25. 25.81² =
  26. 26.74² =
  27. 27.61² =
  28. 28.56² =
  29. 29.26² =
  30. 30.244² =
  31. 31.24² =
  32. 32.131² =
  33. 33.174² =
  34. 34.121² =
  35. 35.24² =
  36. 36.81² =
  37. 37.34² =
  38. 38.76² =
  39. 39.106² =
  40. 40.134² =

Answer key

  1. 441
  2. 3136
  3. 196
  4. 6561
  5. 13456
  6. 961
  7. 8836
  8. 80656
  9. 5041
  10. 68121
  11. 2916
  12. 10816
  13. 441
  14. 8281
  15. 5476
  16. 7396
  17. 5041
  18. 9216
  19. 676
  20. 8836
  21. 4096
  22. 58081
  23. 196
  24. 196
  25. 6561
  26. 5476
  27. 3721
  28. 3136
  29. 676
  30. 59536
  31. 576
  32. 17161
  33. 30276
  34. 14641
  35. 576
  36. 6561
  37. 1156
  38. 5776
  39. 11236
  40. 17956

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