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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 302 · 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. 1.86² =
  2. 2.81² =
  3. 3.14² =
  4. 4.81² =
  5. 5.14² =
  6. 6.146² =
  7. 7.254² =
  8. 8.91² =
  9. 9.86² =
  10. 10.94² =
  11. 11.76² =
  12. 12.86² =
  13. 13.14² =
  14. 14.191² =
  15. 15.11² =
  16. 16.96² =
  17. 17.131² =
  18. 18.111² =
  19. 19.226² =
  20. 20.166² =
  21. 21.54² =
  22. 22.264² =
  23. 23.151² =
  24. 24.54² =
  25. 25.46² =
  26. 26.11² =
  27. 27.94² =
  28. 28.61² =
  29. 29.16² =
  30. 30.14² =
  31. 31.161² =
  32. 32.161² =
  33. 33.91² =
  34. 34.34² =
  35. 35.16² =
  36. 36.124² =
  37. 37.46² =
  38. 38.26² =
  39. 39.61² =
  40. 40.256² =

Answer key

  1. 7396
  2. 6561
  3. 196
  4. 6561
  5. 196
  6. 21316
  7. 64516
  8. 8281
  9. 7396
  10. 8836
  11. 5776
  12. 7396
  13. 196
  14. 36481
  15. 121
  16. 9216
  17. 17161
  18. 12321
  19. 51076
  20. 27556
  21. 2916
  22. 69696
  23. 22801
  24. 2916
  25. 2116
  26. 121
  27. 8836
  28. 3721
  29. 256
  30. 196
  31. 25921
  32. 25921
  33. 8281
  34. 1156
  35. 256
  36. 15376
  37. 2116
  38. 676
  39. 3721
  40. 65536

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