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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 94 · 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. 1.61² =
  2. 2.144² =
  3. 3.161² =
  4. 4.21² =
  5. 5.261² =
  6. 6.71² =
  7. 7.71² =
  8. 8.11² =
  9. 9.76² =
  10. 10.14² =
  11. 11.74² =
  12. 12.256² =
  13. 13.201² =
  14. 14.64² =
  15. 15.46² =
  16. 16.126² =
  17. 17.121² =
  18. 18.41² =
  19. 19.56² =
  20. 20.164² =
  21. 21.281² =
  22. 22.261² =
  23. 23.31² =
  24. 24.64² =
  25. 25.11² =
  26. 26.66² =
  27. 27.226² =
  28. 28.136² =
  29. 29.166² =
  30. 30.306² =
  31. 31.301² =
  32. 32.64² =
  33. 33.94² =
  34. 34.24² =
  35. 35.56² =
  36. 36.261² =
  37. 37.156² =
  38. 38.301² =
  39. 39.174² =
  40. 40.56² =

Answer key

  1. 3721
  2. 20736
  3. 25921
  4. 441
  5. 68121
  6. 5041
  7. 5041
  8. 121
  9. 5776
  10. 196
  11. 5476
  12. 65536
  13. 40401
  14. 4096
  15. 2116
  16. 15876
  17. 14641
  18. 1681
  19. 3136
  20. 26896
  21. 78961
  22. 68121
  23. 961
  24. 4096
  25. 121
  26. 4356
  27. 51076
  28. 18496
  29. 27556
  30. 93636
  31. 90601
  32. 4096
  33. 8836
  34. 576
  35. 3136
  36. 68121
  37. 24336
  38. 90601
  39. 30276
  40. 3136

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