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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 77 · 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. 1.291² =
  2. 2.301² =
  3. 3.204² =
  4. 4.196² =
  5. 5.124² =
  6. 6.281² =
  7. 7.24² =
  8. 8.44² =
  9. 9.24² =
  10. 10.301² =
  11. 11.11² =
  12. 12.21² =
  13. 13.11² =
  14. 14.64² =
  15. 15.126² =
  16. 16.76² =
  17. 17.216² =
  18. 18.76² =
  19. 19.11² =
  20. 20.281² =
  21. 21.186² =
  22. 22.146² =
  23. 23.74² =
  24. 24.41² =
  25. 25.46² =
  26. 26.226² =
  27. 27.274² =
  28. 28.81² =
  29. 29.26² =
  30. 30.26² =
  31. 31.104² =
  32. 32.81² =
  33. 33.191² =
  34. 34.146² =
  35. 35.51² =
  36. 36.101² =
  37. 37.56² =
  38. 38.96² =
  39. 39.286² =
  40. 40.14² =

Answer key

  1. 84681
  2. 90601
  3. 41616
  4. 38416
  5. 15376
  6. 78961
  7. 576
  8. 1936
  9. 576
  10. 90601
  11. 121
  12. 441
  13. 121
  14. 4096
  15. 15876
  16. 5776
  17. 46656
  18. 5776
  19. 121
  20. 78961
  21. 34596
  22. 21316
  23. 5476
  24. 1681
  25. 2116
  26. 51076
  27. 75076
  28. 6561
  29. 676
  30. 676
  31. 10816
  32. 6561
  33. 36481
  34. 21316
  35. 2601
  36. 10201
  37. 3136
  38. 9216
  39. 81796
  40. 196

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