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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 594 · 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. 1.41² =
  2. 2.51² =
  3. 3.126² =
  4. 4.21² =
  5. 5.84² =
  6. 6.64² =
  7. 7.76² =
  8. 8.111² =
  9. 9.21² =
  10. 10.284² =
  11. 11.91² =
  12. 12.91² =
  13. 13.186² =
  14. 14.124² =
  15. 15.136² =
  16. 16.34² =
  17. 17.11² =
  18. 18.36² =
  19. 19.64² =
  20. 20.61² =
  21. 21.84² =
  22. 22.216² =
  23. 23.194² =
  24. 24.61² =
  25. 25.204² =
  26. 26.44² =
  27. 27.31² =
  28. 28.224² =
  29. 29.246² =
  30. 30.86² =
  31. 31.81² =
  32. 32.206² =
  33. 33.26² =
  34. 34.64² =
  35. 35.66² =
  36. 36.21² =
  37. 37.251² =
  38. 38.254² =
  39. 39.114² =
  40. 40.91² =

Answer key

  1. 1681
  2. 2601
  3. 15876
  4. 441
  5. 7056
  6. 4096
  7. 5776
  8. 12321
  9. 441
  10. 80656
  11. 8281
  12. 8281
  13. 34596
  14. 15376
  15. 18496
  16. 1156
  17. 121
  18. 1296
  19. 4096
  20. 3721
  21. 7056
  22. 46656
  23. 37636
  24. 3721
  25. 41616
  26. 1936
  27. 961
  28. 50176
  29. 60516
  30. 7396
  31. 6561
  32. 42436
  33. 676
  34. 4096
  35. 4356
  36. 441
  37. 63001
  38. 64516
  39. 12996
  40. 8281

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