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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 518 · 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. 1.51² =
  2. 2.71² =
  3. 3.14² =
  4. 4.66² =
  5. 5.166² =
  6. 6.54² =
  7. 7.194² =
  8. 8.276² =
  9. 9.231² =
  10. 10.106² =
  11. 11.46² =
  12. 12.31² =
  13. 13.221² =
  14. 14.21² =
  15. 15.131² =
  16. 16.14² =
  17. 17.21² =
  18. 18.146² =
  19. 19.116² =
  20. 20.36² =
  21. 21.84² =
  22. 22.16² =
  23. 23.44² =
  24. 24.284² =
  25. 25.181² =
  26. 26.16² =
  27. 27.176² =
  28. 28.21² =
  29. 29.94² =
  30. 30.41² =
  31. 31.256² =
  32. 32.201² =
  33. 33.254² =
  34. 34.291² =
  35. 35.146² =
  36. 36.36² =
  37. 37.276² =
  38. 38.86² =
  39. 39.44² =
  40. 40.24² =

Answer key

  1. 2601
  2. 5041
  3. 196
  4. 4356
  5. 27556
  6. 2916
  7. 37636
  8. 76176
  9. 53361
  10. 11236
  11. 2116
  12. 961
  13. 48841
  14. 441
  15. 17161
  16. 196
  17. 441
  18. 21316
  19. 13456
  20. 1296
  21. 7056
  22. 256
  23. 1936
  24. 80656
  25. 32761
  26. 256
  27. 30976
  28. 441
  29. 8836
  30. 1681
  31. 65536
  32. 40401
  33. 64516
  34. 84681
  35. 21316
  36. 1296
  37. 76176
  38. 7396
  39. 1936
  40. 576

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