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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 756 · 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. 2.81² =
  3. 3.164² =
  4. 4.56² =
  5. 5.84² =
  6. 6.131² =
  7. 7.31² =
  8. 8.44² =
  9. 9.271² =
  10. 10.14² =
  11. 11.186² =
  12. 12.56² =
  13. 13.46² =
  14. 14.144² =
  15. 15.176² =
  16. 16.86² =
  17. 17.21² =
  18. 18.161² =
  19. 19.204² =
  20. 20.61² =
  21. 21.114² =
  22. 22.161² =
  23. 23.61² =
  24. 24.91² =
  25. 25.21² =
  26. 26.21² =
  27. 27.21² =
  28. 28.41² =
  29. 29.21² =
  30. 30.144² =
  31. 31.96² =
  32. 32.51² =
  33. 33.166² =
  34. 34.34² =
  35. 35.34² =
  36. 36.191² =
  37. 37.14² =
  38. 38.91² =
  39. 39.41² =
  40. 40.214² =

Answer key

  1. 441
  2. 6561
  3. 26896
  4. 3136
  5. 7056
  6. 17161
  7. 961
  8. 1936
  9. 73441
  10. 196
  11. 34596
  12. 3136
  13. 2116
  14. 20736
  15. 30976
  16. 7396
  17. 441
  18. 25921
  19. 41616
  20. 3721
  21. 12996
  22. 25921
  23. 3721
  24. 8281
  25. 441
  26. 441
  27. 441
  28. 1681
  29. 441
  30. 20736
  31. 9216
  32. 2601
  33. 27556
  34. 1156
  35. 1156
  36. 36481
  37. 196
  38. 8281
  39. 1681
  40. 45796

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