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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 680 · 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. 1.66² =
  2. 2.24² =
  3. 3.151² =
  4. 4.14² =
  5. 5.11² =
  6. 6.61² =
  7. 7.26² =
  8. 8.204² =
  9. 9.41² =
  10. 10.81² =
  11. 11.81² =
  12. 12.76² =
  13. 13.156² =
  14. 14.61² =
  15. 15.136² =
  16. 16.54² =
  17. 17.66² =
  18. 18.26² =
  19. 19.276² =
  20. 20.301² =
  21. 21.56² =
  22. 22.31² =
  23. 23.144² =
  24. 24.34² =
  25. 25.261² =
  26. 26.11² =
  27. 27.61² =
  28. 28.76² =
  29. 29.124² =
  30. 30.124² =
  31. 31.81² =
  32. 32.91² =
  33. 33.51² =
  34. 34.114² =
  35. 35.191² =
  36. 36.181² =
  37. 37.51² =
  38. 38.201² =
  39. 39.96² =
  40. 40.144² =

Answer key

  1. 4356
  2. 576
  3. 22801
  4. 196
  5. 121
  6. 3721
  7. 676
  8. 41616
  9. 1681
  10. 6561
  11. 6561
  12. 5776
  13. 24336
  14. 3721
  15. 18496
  16. 2916
  17. 4356
  18. 676
  19. 76176
  20. 90601
  21. 3136
  22. 961
  23. 20736
  24. 1156
  25. 68121
  26. 121
  27. 3721
  28. 5776
  29. 15376
  30. 15376
  31. 6561
  32. 8281
  33. 2601
  34. 12996
  35. 36481
  36. 32761
  37. 2601
  38. 40401
  39. 9216
  40. 20736

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