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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 905 · 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. 1.41² =
  2. 2.271² =
  3. 3.11² =
  4. 4.44² =
  5. 5.171² =
  6. 6.81² =
  7. 7.54² =
  8. 8.81² =
  9. 9.136² =
  10. 10.44² =
  11. 11.111² =
  12. 12.66² =
  13. 13.24² =
  14. 14.24² =
  15. 15.11² =
  16. 16.144² =
  17. 17.56² =
  18. 18.14² =
  19. 19.84² =
  20. 20.226² =
  21. 21.11² =
  22. 22.56² =
  23. 23.34² =
  24. 24.84² =
  25. 25.54² =
  26. 26.81² =
  27. 27.286² =
  28. 28.226² =
  29. 29.296² =
  30. 30.161² =
  31. 31.206² =
  32. 32.206² =
  33. 33.31² =
  34. 34.44² =
  35. 35.31² =
  36. 36.151² =
  37. 37.276² =
  38. 38.91² =
  39. 39.21² =
  40. 40.11² =

Answer key

  1. 1681
  2. 73441
  3. 121
  4. 1936
  5. 29241
  6. 6561
  7. 2916
  8. 6561
  9. 18496
  10. 1936
  11. 12321
  12. 4356
  13. 576
  14. 576
  15. 121
  16. 20736
  17. 3136
  18. 196
  19. 7056
  20. 51076
  21. 121
  22. 3136
  23. 1156
  24. 7056
  25. 2916
  26. 6561
  27. 81796
  28. 51076
  29. 87616
  30. 25921
  31. 42436
  32. 42436
  33. 961
  34. 1936
  35. 961
  36. 22801
  37. 76176
  38. 8281
  39. 441
  40. 121

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