← 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 243 · 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. 1.198² =
  2. 2.734² =
  3. 3.3095² =
  4. 4.8267² =
  5. 5.838² =
  6. 6.332² =
  7. 7.839² =
  8. 8.1137² =
  9. 9.2112² =
  10. 10.540² =
  11. 11.301² =
  12. 12.376² =
  13. 13.8890² =
  14. 14.8884² =
  15. 15.3489² =
  16. 16.309² =
  17. 17.6887² =
  18. 18.1493² =
  19. 19.608² =
  20. 20.679² =
  21. 21.4640² =
  22. 22.566² =
  23. 23.675² =
  24. 24.978² =
  25. 25.3174² =
  26. 26.505² =
  27. 27.811² =
  28. 28.5888² =
  29. 29.2634² =
  30. 30.1987² =
  31. 31.3228² =
  32. 32.964² =
  33. 33.290² =
  34. 34.459² =
  35. 35.5019² =
  36. 36.221² =
  37. 37.8680² =
  38. 38.367² =
  39. 39.5467² =
  40. 40.833² =

Answer key

  1. 39204
  2. 538756
  3. 9579025
  4. 68343289
  5. 702244
  6. 110224
  7. 703921
  8. 1292769
  9. 4460544
  10. 291600
  11. 90601
  12. 141376
  13. 79032100
  14. 78925456
  15. 12173121
  16. 95481
  17. 47430769
  18. 2229049
  19. 369664
  20. 461041
  21. 21529600
  22. 320356
  23. 455625
  24. 956484
  25. 10074276
  26. 255025
  27. 657721
  28. 34668544
  29. 6937956
  30. 3948169
  31. 10419984
  32. 929296
  33. 84100
  34. 210681
  35. 25190361
  36. 48841
  37. 75342400
  38. 134689
  39. 29888089
  40. 693889

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