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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 614 · 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. 2.41² =
  3. 3.36² =
  4. 4.276² =
  5. 5.66² =
  6. 6.36² =
  7. 7.14² =
  8. 8.64² =
  9. 9.34² =
  10. 10.11² =
  11. 11.261² =
  12. 12.244² =
  13. 13.196² =
  14. 14.281² =
  15. 15.126² =
  16. 16.54² =
  17. 17.94² =
  18. 18.56² =
  19. 19.134² =
  20. 20.111² =
  21. 21.86² =
  22. 22.186² =
  23. 23.96² =
  24. 24.154² =
  25. 25.61² =
  26. 26.74² =
  27. 27.114² =
  28. 28.241² =
  29. 29.54² =
  30. 30.171² =
  31. 31.86² =
  32. 32.284² =
  33. 33.64² =
  34. 34.16² =
  35. 35.11² =
  36. 36.44² =
  37. 37.14² =
  38. 38.264² =
  39. 39.26² =
  40. 40.24² =

Answer key

  1. 441
  2. 1681
  3. 1296
  4. 76176
  5. 4356
  6. 1296
  7. 196
  8. 4096
  9. 1156
  10. 121
  11. 68121
  12. 59536
  13. 38416
  14. 78961
  15. 15876
  16. 2916
  17. 8836
  18. 3136
  19. 17956
  20. 12321
  21. 7396
  22. 34596
  23. 9216
  24. 23716
  25. 3721
  26. 5476
  27. 12996
  28. 58081
  29. 2916
  30. 29241
  31. 7396
  32. 80656
  33. 4096
  34. 256
  35. 121
  36. 1936
  37. 196
  38. 69696
  39. 676
  40. 576

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