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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 769 · 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. 1.261² =
  2. 2.21² =
  3. 3.41² =
  4. 4.24² =
  5. 5.41² =
  6. 6.106² =
  7. 7.26² =
  8. 8.11² =
  9. 9.146² =
  10. 10.64² =
  11. 11.41² =
  12. 12.231² =
  13. 13.221² =
  14. 14.34² =
  15. 15.164² =
  16. 16.21² =
  17. 17.11² =
  18. 18.204² =
  19. 19.61² =
  20. 20.81² =
  21. 21.34² =
  22. 22.296² =
  23. 23.56² =
  24. 24.274² =
  25. 25.66² =
  26. 26.44² =
  27. 27.71² =
  28. 28.184² =
  29. 29.46² =
  30. 30.76² =
  31. 31.136² =
  32. 32.94² =
  33. 33.86² =
  34. 34.44² =
  35. 35.14² =
  36. 36.116² =
  37. 37.21² =
  38. 38.166² =
  39. 39.306² =
  40. 40.91² =

Answer key

  1. 68121
  2. 441
  3. 1681
  4. 576
  5. 1681
  6. 11236
  7. 676
  8. 121
  9. 21316
  10. 4096
  11. 1681
  12. 53361
  13. 48841
  14. 1156
  15. 26896
  16. 441
  17. 121
  18. 41616
  19. 3721
  20. 6561
  21. 1156
  22. 87616
  23. 3136
  24. 75076
  25. 4356
  26. 1936
  27. 5041
  28. 33856
  29. 2116
  30. 5776
  31. 18496
  32. 8836
  33. 7396
  34. 1936
  35. 196
  36. 13456
  37. 441
  38. 27556
  39. 93636
  40. 8281

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