← 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 222 · 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. 1.406² =
  2. 2.286² =
  3. 3.295² =
  4. 4.468² =
  5. 5.470² =
  6. 6.523² =
  7. 7.784² =
  8. 8.775² =
  9. 9.782² =
  10. 10.617² =
  11. 11.247² =
  12. 12.5888² =
  13. 13.630² =
  14. 14.419² =
  15. 15.675² =
  16. 16.721² =
  17. 17.516² =
  18. 18.928² =
  19. 19.162² =
  20. 20.815² =
  21. 21.786² =
  22. 22.110² =
  23. 23.4323² =
  24. 24.3639² =
  25. 25.838² =
  26. 26.709² =
  27. 27.965² =
  28. 28.957² =
  29. 29.297² =
  30. 30.8987² =
  31. 31.314² =
  32. 32.5296² =
  33. 33.199² =
  34. 34.174² =
  35. 35.328² =
  36. 36.6574² =
  37. 37.209² =
  38. 38.4638² =
  39. 39.340² =
  40. 40.847² =

Answer key

  1. 164836
  2. 81796
  3. 87025
  4. 219024
  5. 220900
  6. 273529
  7. 614656
  8. 600625
  9. 611524
  10. 380689
  11. 61009
  12. 34668544
  13. 396900
  14. 175561
  15. 455625
  16. 519841
  17. 266256
  18. 861184
  19. 26244
  20. 664225
  21. 617796
  22. 12100
  23. 18688329
  24. 13242321
  25. 702244
  26. 502681
  27. 931225
  28. 915849
  29. 88209
  30. 80766169
  31. 98596
  32. 28047616
  33. 39601
  34. 30276
  35. 107584
  36. 43217476
  37. 43681
  38. 21511044
  39. 115600
  40. 717409

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