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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 83 · 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. 2.16² =
  3. 3.41² =
  4. 4.46² =
  5. 5.236² =
  6. 6.136² =
  7. 7.211² =
  8. 8.271² =
  9. 9.281² =
  10. 10.24² =
  11. 11.11² =
  12. 12.56² =
  13. 13.254² =
  14. 14.201² =
  15. 15.261² =
  16. 16.191² =
  17. 17.54² =
  18. 18.86² =
  19. 19.261² =
  20. 20.111² =
  21. 21.44² =
  22. 22.144² =
  23. 23.211² =
  24. 24.66² =
  25. 25.274² =
  26. 26.301² =
  27. 27.26² =
  28. 28.41² =
  29. 29.176² =
  30. 30.16² =
  31. 31.96² =
  32. 32.286² =
  33. 33.11² =
  34. 34.251² =
  35. 35.74² =
  36. 36.64² =
  37. 37.206² =
  38. 38.76² =
  39. 39.126² =
  40. 40.81² =

Answer key

  1. 441
  2. 256
  3. 1681
  4. 2116
  5. 55696
  6. 18496
  7. 44521
  8. 73441
  9. 78961
  10. 576
  11. 121
  12. 3136
  13. 64516
  14. 40401
  15. 68121
  16. 36481
  17. 2916
  18. 7396
  19. 68121
  20. 12321
  21. 1936
  22. 20736
  23. 44521
  24. 4356
  25. 75076
  26. 90601
  27. 676
  28. 1681
  29. 30976
  30. 256
  31. 9216
  32. 81796
  33. 121
  34. 63001
  35. 5476
  36. 4096
  37. 42436
  38. 5776
  39. 15876
  40. 6561

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