← Squares of 3- and 4-digit numbers lesson New set →

Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 270 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For abc: columns D(a) | D(ab) | D(abc) | D(bc) | D(c). D(a) = a², D(ab) = 2ab, D(abc) = 2ac + b², D(abcd) = 2ad + 2bc. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.561² =
  2. 2.3813² =
  3. 3.751² =
  4. 4.441² =
  5. 5.528² =
  6. 6.560² =
  7. 7.6868² =
  8. 8.189² =
  9. 9.358² =
  10. 10.661² =
  11. 11.231² =
  12. 12.280² =
  13. 13.290² =
  14. 14.5721² =
  15. 15.9378² =
  16. 16.324² =
  17. 17.3397² =
  18. 18.525² =
  19. 19.692² =
  20. 20.782² =
  21. 21.562² =
  22. 22.599² =
  23. 23.809² =
  24. 24.870² =
  25. 25.573² =
  26. 26.5968² =
  27. 27.225² =
  28. 28.3509² =
  29. 29.2221² =
  30. 30.718² =
  31. 31.872² =
  32. 32.6216² =
  33. 33.538² =
  34. 34.579² =
  35. 35.359² =
  36. 36.319² =
  37. 37.7376² =
  38. 38.553² =
  39. 39.3366² =
  40. 40.572² =

Answer key

  1. 314721
  2. 14538969
  3. 564001
  4. 194481
  5. 278784
  6. 313600
  7. 47169424
  8. 35721
  9. 128164
  10. 436921
  11. 53361
  12. 78400
  13. 84100
  14. 32729841
  15. 87946884
  16. 104976
  17. 11539609
  18. 275625
  19. 478864
  20. 611524
  21. 315844
  22. 358801
  23. 654481
  24. 756900
  25. 328329
  26. 35617024
  27. 50625
  28. 12313081
  29. 4932841
  30. 515524
  31. 760384
  32. 38638656
  33. 289444
  34. 335241
  35. 128881
  36. 101761
  37. 54405376
  38. 305809
  39. 11329956
  40. 327184

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths