← 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 193 · 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. 1.9628² =
  2. 2.703² =
  3. 3.616² =
  4. 4.234² =
  5. 5.3577² =
  6. 6.8006² =
  7. 7.2867² =
  8. 8.994² =
  9. 9.637² =
  10. 10.273² =
  11. 11.900² =
  12. 12.762² =
  13. 13.9081² =
  14. 14.617² =
  15. 15.621² =
  16. 16.680² =
  17. 17.9228² =
  18. 18.504² =
  19. 19.770² =
  20. 20.239² =
  21. 21.330² =
  22. 22.393² =
  23. 23.8391² =
  24. 24.4067² =
  25. 25.3893² =
  26. 26.1428² =
  27. 27.539² =
  28. 28.863² =
  29. 29.451² =
  30. 30.258² =
  31. 31.109² =
  32. 32.874² =
  33. 33.205² =
  34. 34.842² =
  35. 35.344² =
  36. 36.9392² =
  37. 37.3646² =
  38. 38.307² =
  39. 39.2834² =
  40. 40.667² =

Answer key

  1. 92698384
  2. 494209
  3. 379456
  4. 54756
  5. 12794929
  6. 64096036
  7. 8219689
  8. 988036
  9. 405769
  10. 74529
  11. 810000
  12. 580644
  13. 82464561
  14. 380689
  15. 385641
  16. 462400
  17. 85155984
  18. 254016
  19. 592900
  20. 57121
  21. 108900
  22. 154449
  23. 70408881
  24. 16540489
  25. 15155449
  26. 2039184
  27. 290521
  28. 744769
  29. 203401
  30. 66564
  31. 11881
  32. 763876
  33. 42025
  34. 708964
  35. 118336
  36. 88209664
  37. 13293316
  38. 94249
  39. 8031556
  40. 444889

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