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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 728 · 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. 1.81² =
  2. 2.24² =
  3. 3.24² =
  4. 4.34² =
  5. 5.141² =
  6. 6.11² =
  7. 7.31² =
  8. 8.111² =
  9. 9.211² =
  10. 10.54² =
  11. 11.16² =
  12. 12.11² =
  13. 13.84² =
  14. 14.21² =
  15. 15.206² =
  16. 16.21² =
  17. 17.204² =
  18. 18.56² =
  19. 19.26² =
  20. 20.161² =
  21. 21.26² =
  22. 22.16² =
  23. 23.96² =
  24. 24.64² =
  25. 25.131² =
  26. 26.151² =
  27. 27.51² =
  28. 28.54² =
  29. 29.81² =
  30. 30.91² =
  31. 31.141² =
  32. 32.34² =
  33. 33.41² =
  34. 34.281² =
  35. 35.86² =
  36. 36.21² =
  37. 37.24² =
  38. 38.31² =
  39. 39.66² =
  40. 40.96² =

Answer key

  1. 6561
  2. 576
  3. 576
  4. 1156
  5. 19881
  6. 121
  7. 961
  8. 12321
  9. 44521
  10. 2916
  11. 256
  12. 121
  13. 7056
  14. 441
  15. 42436
  16. 441
  17. 41616
  18. 3136
  19. 676
  20. 25921
  21. 676
  22. 256
  23. 9216
  24. 4096
  25. 17161
  26. 22801
  27. 2601
  28. 2916
  29. 6561
  30. 8281
  31. 19881
  32. 1156
  33. 1681
  34. 78961
  35. 7396
  36. 441
  37. 576
  38. 961
  39. 4356
  40. 9216

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