← 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 189 · 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. 1.4205² =
  2. 2.603² =
  3. 3.6287² =
  4. 4.727² =
  5. 5.732² =
  6. 6.8004² =
  7. 7.3943² =
  8. 8.5978² =
  9. 9.231² =
  10. 10.409² =
  11. 11.8044² =
  12. 12.1239² =
  13. 13.2943² =
  14. 14.6532² =
  15. 15.8760² =
  16. 16.3927² =
  17. 17.415² =
  18. 18.9036² =
  19. 19.5864² =
  20. 20.301² =
  21. 21.8827² =
  22. 22.6886² =
  23. 23.476² =
  24. 24.344² =
  25. 25.635² =
  26. 26.237² =
  27. 27.491² =
  28. 28.2531² =
  29. 29.2498² =
  30. 30.279² =
  31. 31.7874² =
  32. 32.374² =
  33. 33.240² =
  34. 34.161² =
  35. 35.117² =
  36. 36.166² =
  37. 37.159² =
  38. 38.351² =
  39. 39.304² =
  40. 40.775² =

Answer key

  1. 17682025
  2. 363609
  3. 39526369
  4. 528529
  5. 535824
  6. 64064016
  7. 15547249
  8. 35736484
  9. 53361
  10. 167281
  11. 64705936
  12. 1535121
  13. 8661249
  14. 42667024
  15. 76737600
  16. 15421329
  17. 172225
  18. 81649296
  19. 34386496
  20. 90601
  21. 77915929
  22. 47416996
  23. 226576
  24. 118336
  25. 403225
  26. 56169
  27. 241081
  28. 6405961
  29. 6240004
  30. 77841
  31. 61999876
  32. 139876
  33. 57600
  34. 25921
  35. 13689
  36. 27556
  37. 25281
  38. 123201
  39. 92416
  40. 600625

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