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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 291 · 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. 2.26² =
  3. 3.61² =
  4. 4.156² =
  5. 5.94² =
  6. 6.54² =
  7. 7.254² =
  8. 8.26² =
  9. 9.211² =
  10. 10.271² =
  11. 11.76² =
  12. 12.46² =
  13. 13.206² =
  14. 14.201² =
  15. 15.171² =
  16. 16.91² =
  17. 17.266² =
  18. 18.26² =
  19. 19.31² =
  20. 20.111² =
  21. 21.21² =
  22. 22.26² =
  23. 23.66² =
  24. 24.301² =
  25. 25.204² =
  26. 26.11² =
  27. 27.41² =
  28. 28.61² =
  29. 29.146² =
  30. 30.81² =
  31. 31.66² =
  32. 32.81² =
  33. 33.296² =
  34. 34.54² =
  35. 35.54² =
  36. 36.196² =
  37. 37.91² =
  38. 38.51² =
  39. 39.221² =
  40. 40.11² =

Answer key

  1. 2601
  2. 676
  3. 3721
  4. 24336
  5. 8836
  6. 2916
  7. 64516
  8. 676
  9. 44521
  10. 73441
  11. 5776
  12. 2116
  13. 42436
  14. 40401
  15. 29241
  16. 8281
  17. 70756
  18. 676
  19. 961
  20. 12321
  21. 441
  22. 676
  23. 4356
  24. 90601
  25. 41616
  26. 121
  27. 1681
  28. 3721
  29. 21316
  30. 6561
  31. 4356
  32. 6561
  33. 87616
  34. 2916
  35. 2916
  36. 38416
  37. 8281
  38. 2601
  39. 48841
  40. 121

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