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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 131 · 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. 2.136² =
  3. 3.26² =
  4. 4.154² =
  5. 5.16² =
  6. 6.21² =
  7. 7.101² =
  8. 8.64² =
  9. 9.56² =
  10. 10.16² =
  11. 11.16² =
  12. 12.174² =
  13. 13.131² =
  14. 14.244² =
  15. 15.111² =
  16. 16.294² =
  17. 17.11² =
  18. 18.41² =
  19. 19.101² =
  20. 20.11² =
  21. 21.256² =
  22. 22.66² =
  23. 23.21² =
  24. 24.96² =
  25. 25.191² =
  26. 26.244² =
  27. 27.24² =
  28. 28.34² =
  29. 29.126² =
  30. 30.11² =
  31. 31.64² =
  32. 32.81² =
  33. 33.231² =
  34. 34.71² =
  35. 35.61² =
  36. 36.296² =
  37. 37.36² =
  38. 38.301² =
  39. 39.91² =
  40. 40.56² =

Answer key

  1. 441
  2. 18496
  3. 676
  4. 23716
  5. 256
  6. 441
  7. 10201
  8. 4096
  9. 3136
  10. 256
  11. 256
  12. 30276
  13. 17161
  14. 59536
  15. 12321
  16. 86436
  17. 121
  18. 1681
  19. 10201
  20. 121
  21. 65536
  22. 4356
  23. 441
  24. 9216
  25. 36481
  26. 59536
  27. 576
  28. 1156
  29. 15876
  30. 121
  31. 4096
  32. 6561
  33. 53361
  34. 5041
  35. 3721
  36. 87616
  37. 1296
  38. 90601
  39. 8281
  40. 3136

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