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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 368 · 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. 2.56² =
  3. 3.71² =
  4. 4.231² =
  5. 5.224² =
  6. 6.71² =
  7. 7.211² =
  8. 8.16² =
  9. 9.41² =
  10. 10.166² =
  11. 11.81² =
  12. 12.26² =
  13. 13.31² =
  14. 14.54² =
  15. 15.11² =
  16. 16.251² =
  17. 17.41² =
  18. 18.24² =
  19. 19.34² =
  20. 20.291² =
  21. 21.171² =
  22. 22.284² =
  23. 23.36² =
  24. 24.94² =
  25. 25.81² =
  26. 26.31² =
  27. 27.246² =
  28. 28.24² =
  29. 29.14² =
  30. 30.94² =
  31. 31.21² =
  32. 32.54² =
  33. 33.194² =
  34. 34.244² =
  35. 35.66² =
  36. 36.51² =
  37. 37.71² =
  38. 38.141² =
  39. 39.241² =
  40. 40.214² =

Answer key

  1. 441
  2. 3136
  3. 5041
  4. 53361
  5. 50176
  6. 5041
  7. 44521
  8. 256
  9. 1681
  10. 27556
  11. 6561
  12. 676
  13. 961
  14. 2916
  15. 121
  16. 63001
  17. 1681
  18. 576
  19. 1156
  20. 84681
  21. 29241
  22. 80656
  23. 1296
  24. 8836
  25. 6561
  26. 961
  27. 60516
  28. 576
  29. 196
  30. 8836
  31. 441
  32. 2916
  33. 37636
  34. 59536
  35. 4356
  36. 2601
  37. 5041
  38. 19881
  39. 58081
  40. 45796

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