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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 411 · 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. 1.16² =
  2. 2.36² =
  3. 3.26² =
  4. 4.291² =
  5. 5.24² =
  6. 6.36² =
  7. 7.274² =
  8. 8.14² =
  9. 9.74² =
  10. 10.291² =
  11. 11.74² =
  12. 12.11² =
  13. 13.84² =
  14. 14.284² =
  15. 15.86² =
  16. 16.21² =
  17. 17.24² =
  18. 18.31² =
  19. 19.11² =
  20. 20.194² =
  21. 21.11² =
  22. 22.31² =
  23. 23.61² =
  24. 24.64² =
  25. 25.126² =
  26. 26.24² =
  27. 27.31² =
  28. 28.61² =
  29. 29.11² =
  30. 30.131² =
  31. 31.181² =
  32. 32.11² =
  33. 33.81² =
  34. 34.251² =
  35. 35.54² =
  36. 36.36² =
  37. 37.131² =
  38. 38.154² =
  39. 39.214² =
  40. 40.44² =

Answer key

  1. 256
  2. 1296
  3. 676
  4. 84681
  5. 576
  6. 1296
  7. 75076
  8. 196
  9. 5476
  10. 84681
  11. 5476
  12. 121
  13. 7056
  14. 80656
  15. 7396
  16. 441
  17. 576
  18. 961
  19. 121
  20. 37636
  21. 121
  22. 961
  23. 3721
  24. 4096
  25. 15876
  26. 576
  27. 961
  28. 3721
  29. 121
  30. 17161
  31. 32761
  32. 121
  33. 6561
  34. 63001
  35. 2916
  36. 1296
  37. 17161
  38. 23716
  39. 45796
  40. 1936

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