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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 560 · 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. 1.51² =
  2. 2.171² =
  3. 3.26² =
  4. 4.254² =
  5. 5.21² =
  6. 6.94² =
  7. 7.151² =
  8. 8.21² =
  9. 9.206² =
  10. 10.44² =
  11. 11.14² =
  12. 12.124² =
  13. 13.81² =
  14. 14.144² =
  15. 15.34² =
  16. 16.51² =
  17. 17.266² =
  18. 18.144² =
  19. 19.56² =
  20. 20.71² =
  21. 21.14² =
  22. 22.296² =
  23. 23.64² =
  24. 24.164² =
  25. 25.26² =
  26. 26.11² =
  27. 27.56² =
  28. 28.31² =
  29. 29.91² =
  30. 30.274² =
  31. 31.301² =
  32. 32.254² =
  33. 33.141² =
  34. 34.21² =
  35. 35.111² =
  36. 36.306² =
  37. 37.266² =
  38. 38.51² =
  39. 39.114² =
  40. 40.231² =

Answer key

  1. 2601
  2. 29241
  3. 676
  4. 64516
  5. 441
  6. 8836
  7. 22801
  8. 441
  9. 42436
  10. 1936
  11. 196
  12. 15376
  13. 6561
  14. 20736
  15. 1156
  16. 2601
  17. 70756
  18. 20736
  19. 3136
  20. 5041
  21. 196
  22. 87616
  23. 4096
  24. 26896
  25. 676
  26. 121
  27. 3136
  28. 961
  29. 8281
  30. 75076
  31. 90601
  32. 64516
  33. 19881
  34. 441
  35. 12321
  36. 93636
  37. 70756
  38. 2601
  39. 12996
  40. 53361

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