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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 79 · 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. 2.14² =
  3. 3.191² =
  4. 4.41² =
  5. 5.191² =
  6. 6.61² =
  7. 7.51² =
  8. 8.156² =
  9. 9.36² =
  10. 10.86² =
  11. 11.254² =
  12. 12.44² =
  13. 13.81² =
  14. 14.36² =
  15. 15.96² =
  16. 16.86² =
  17. 17.61² =
  18. 18.86² =
  19. 19.61² =
  20. 20.66² =
  21. 21.26² =
  22. 22.36² =
  23. 23.21² =
  24. 24.11² =
  25. 25.26² =
  26. 26.74² =
  27. 27.61² =
  28. 28.51² =
  29. 29.226² =
  30. 30.214² =
  31. 31.296² =
  32. 32.181² =
  33. 33.84² =
  34. 34.16² =
  35. 35.246² =
  36. 36.231² =
  37. 37.121² =
  38. 38.146² =
  39. 39.54² =
  40. 40.144² =

Answer key

  1. 441
  2. 196
  3. 36481
  4. 1681
  5. 36481
  6. 3721
  7. 2601
  8. 24336
  9. 1296
  10. 7396
  11. 64516
  12. 1936
  13. 6561
  14. 1296
  15. 9216
  16. 7396
  17. 3721
  18. 7396
  19. 3721
  20. 4356
  21. 676
  22. 1296
  23. 441
  24. 121
  25. 676
  26. 5476
  27. 3721
  28. 2601
  29. 51076
  30. 45796
  31. 87616
  32. 32761
  33. 7056
  34. 256
  35. 60516
  36. 53361
  37. 14641
  38. 21316
  39. 2916
  40. 20736

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