← 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 460 · 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. 1.237² =
  2. 2.9473² =
  3. 3.535² =
  4. 4.395² =
  5. 5.862² =
  6. 6.534² =
  7. 7.283² =
  8. 8.564² =
  9. 9.544² =
  10. 10.575² =
  11. 11.674² =
  12. 12.611² =
  13. 13.3093² =
  14. 14.336² =
  15. 15.226² =
  16. 16.922² =
  17. 17.756² =
  18. 18.447² =
  19. 19.2632² =
  20. 20.9027² =
  21. 21.901² =
  22. 22.184² =
  23. 23.264² =
  24. 24.225² =
  25. 25.369² =
  26. 26.669² =
  27. 27.282² =
  28. 28.848² =
  29. 29.9144² =
  30. 30.7040² =
  31. 31.946² =
  32. 32.872² =
  33. 33.917² =
  34. 34.3358² =
  35. 35.737² =
  36. 36.524² =
  37. 37.754² =
  38. 38.737² =
  39. 39.884² =
  40. 40.769² =

Answer key

  1. 56169
  2. 89737729
  3. 286225
  4. 156025
  5. 743044
  6. 285156
  7. 80089
  8. 318096
  9. 295936
  10. 330625
  11. 454276
  12. 373321
  13. 9566649
  14. 112896
  15. 51076
  16. 850084
  17. 571536
  18. 199809
  19. 6927424
  20. 81486729
  21. 811801
  22. 33856
  23. 69696
  24. 50625
  25. 136161
  26. 447561
  27. 79524
  28. 719104
  29. 83612736
  30. 49561600
  31. 894916
  32. 760384
  33. 840889
  34. 11276164
  35. 543169
  36. 274576
  37. 568516
  38. 543169
  39. 781456
  40. 591361

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