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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 509 · 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. 1.21² =
  2. 2.71² =
  3. 3.306² =
  4. 4.254² =
  5. 5.36² =
  6. 6.266² =
  7. 7.11² =
  8. 8.16² =
  9. 9.54² =
  10. 10.44² =
  11. 11.266² =
  12. 12.124² =
  13. 13.64² =
  14. 14.54² =
  15. 15.91² =
  16. 16.54² =
  17. 17.36² =
  18. 18.76² =
  19. 19.64² =
  20. 20.26² =
  21. 21.26² =
  22. 22.61² =
  23. 23.191² =
  24. 24.71² =
  25. 25.91² =
  26. 26.124² =
  27. 27.54² =
  28. 28.241² =
  29. 29.44² =
  30. 30.296² =
  31. 31.61² =
  32. 32.244² =
  33. 33.64² =
  34. 34.111² =
  35. 35.11² =
  36. 36.61² =
  37. 37.221² =
  38. 38.104² =
  39. 39.136² =
  40. 40.301² =

Answer key

  1. 441
  2. 5041
  3. 93636
  4. 64516
  5. 1296
  6. 70756
  7. 121
  8. 256
  9. 2916
  10. 1936
  11. 70756
  12. 15376
  13. 4096
  14. 2916
  15. 8281
  16. 2916
  17. 1296
  18. 5776
  19. 4096
  20. 676
  21. 676
  22. 3721
  23. 36481
  24. 5041
  25. 8281
  26. 15376
  27. 2916
  28. 58081
  29. 1936
  30. 87616
  31. 3721
  32. 59536
  33. 4096
  34. 12321
  35. 121
  36. 3721
  37. 48841
  38. 10816
  39. 18496
  40. 90601

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