← 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 211 · 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. 1.396² =
  2. 2.297² =
  3. 3.437² =
  4. 4.756² =
  5. 5.307² =
  6. 6.8177² =
  7. 7.923² =
  8. 8.3878² =
  9. 9.9110² =
  10. 10.3068² =
  11. 11.772² =
  12. 12.801² =
  13. 13.7927² =
  14. 14.1752² =
  15. 15.215² =
  16. 16.4092² =
  17. 17.978² =
  18. 18.831² =
  19. 19.7644² =
  20. 20.423² =
  21. 21.677² =
  22. 22.328² =
  23. 23.175² =
  24. 24.779² =
  25. 25.568² =
  26. 26.5080² =
  27. 27.879² =
  28. 28.899² =
  29. 29.291² =
  30. 30.124² =
  31. 31.947² =
  32. 32.538² =
  33. 33.231² =
  34. 34.719² =
  35. 35.540² =
  36. 36.7687² =
  37. 37.641² =
  38. 38.711² =
  39. 39.571² =
  40. 40.706² =

Answer key

  1. 156816
  2. 88209
  3. 190969
  4. 571536
  5. 94249
  6. 66863329
  7. 851929
  8. 15038884
  9. 82992100
  10. 9412624
  11. 595984
  12. 641601
  13. 62837329
  14. 3069504
  15. 46225
  16. 16744464
  17. 956484
  18. 690561
  19. 58430736
  20. 178929
  21. 458329
  22. 107584
  23. 30625
  24. 606841
  25. 322624
  26. 25806400
  27. 772641
  28. 808201
  29. 84681
  30. 15376
  31. 896809
  32. 289444
  33. 53361
  34. 516961
  35. 291600
  36. 59089969
  37. 410881
  38. 505521
  39. 326041
  40. 498436

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