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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 400 · 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. 1.11² =
  2. 2.301² =
  3. 3.61² =
  4. 4.71² =
  5. 5.246² =
  6. 6.61² =
  7. 7.91² =
  8. 8.16² =
  9. 9.96² =
  10. 10.26² =
  11. 11.251² =
  12. 12.94² =
  13. 13.71² =
  14. 14.46² =
  15. 15.81² =
  16. 16.154² =
  17. 17.96² =
  18. 18.101² =
  19. 19.164² =
  20. 20.266² =
  21. 21.21² =
  22. 22.114² =
  23. 23.171² =
  24. 24.21² =
  25. 25.64² =
  26. 26.171² =
  27. 27.141² =
  28. 28.96² =
  29. 29.186² =
  30. 30.14² =
  31. 31.86² =
  32. 32.56² =
  33. 33.266² =
  34. 34.86² =
  35. 35.71² =
  36. 36.71² =
  37. 37.281² =
  38. 38.151² =
  39. 39.81² =
  40. 40.76² =

Answer key

  1. 121
  2. 90601
  3. 3721
  4. 5041
  5. 60516
  6. 3721
  7. 8281
  8. 256
  9. 9216
  10. 676
  11. 63001
  12. 8836
  13. 5041
  14. 2116
  15. 6561
  16. 23716
  17. 9216
  18. 10201
  19. 26896
  20. 70756
  21. 441
  22. 12996
  23. 29241
  24. 441
  25. 4096
  26. 29241
  27. 19881
  28. 9216
  29. 34596
  30. 196
  31. 7396
  32. 3136
  33. 70756
  34. 7396
  35. 5041
  36. 5041
  37. 78961
  38. 22801
  39. 6561
  40. 5776

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