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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 226 · 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. 2.41² =
  3. 3.224² =
  4. 4.56² =
  5. 5.84² =
  6. 6.24² =
  7. 7.116² =
  8. 8.144² =
  9. 9.61² =
  10. 10.136² =
  11. 11.86² =
  12. 12.96² =
  13. 13.51² =
  14. 14.64² =
  15. 15.304² =
  16. 16.101² =
  17. 17.41² =
  18. 18.61² =
  19. 19.91² =
  20. 20.91² =
  21. 21.274² =
  22. 22.184² =
  23. 23.46² =
  24. 24.21² =
  25. 25.24² =
  26. 26.16² =
  27. 27.91² =
  28. 28.81² =
  29. 29.86² =
  30. 30.134² =
  31. 31.61² =
  32. 32.14² =
  33. 33.84² =
  34. 34.116² =
  35. 35.51² =
  36. 36.61² =
  37. 37.86² =
  38. 38.46² =
  39. 39.266² =
  40. 40.11² =

Answer key

  1. 1681
  2. 1681
  3. 50176
  4. 3136
  5. 7056
  6. 576
  7. 13456
  8. 20736
  9. 3721
  10. 18496
  11. 7396
  12. 9216
  13. 2601
  14. 4096
  15. 92416
  16. 10201
  17. 1681
  18. 3721
  19. 8281
  20. 8281
  21. 75076
  22. 33856
  23. 2116
  24. 441
  25. 576
  26. 256
  27. 8281
  28. 6561
  29. 7396
  30. 17956
  31. 3721
  32. 196
  33. 7056
  34. 13456
  35. 2601
  36. 3721
  37. 7396
  38. 2116
  39. 70756
  40. 121

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