← 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 227 · 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. 1.272² =
  2. 2.732² =
  3. 3.866² =
  4. 4.2909² =
  5. 5.880² =
  6. 6.185² =
  7. 7.835² =
  8. 8.622² =
  9. 9.9634² =
  10. 10.487² =
  11. 11.5156² =
  12. 12.2631² =
  13. 13.1079² =
  14. 14.851² =
  15. 15.395² =
  16. 16.951² =
  17. 17.3071² =
  18. 18.9452² =
  19. 19.555² =
  20. 20.9226² =
  21. 21.131² =
  22. 22.190² =
  23. 23.628² =
  24. 24.225² =
  25. 25.921² =
  26. 26.181² =
  27. 27.2142² =
  28. 28.736² =
  29. 29.620² =
  30. 30.779² =
  31. 31.759² =
  32. 32.407² =
  33. 33.6599² =
  34. 34.202² =
  35. 35.195² =
  36. 36.517² =
  37. 37.614² =
  38. 38.122² =
  39. 39.486² =
  40. 40.359² =

Answer key

  1. 73984
  2. 535824
  3. 749956
  4. 8462281
  5. 774400
  6. 34225
  7. 697225
  8. 386884
  9. 92813956
  10. 237169
  11. 26584336
  12. 6922161
  13. 1164241
  14. 724201
  15. 156025
  16. 904401
  17. 9431041
  18. 89340304
  19. 308025
  20. 85119076
  21. 17161
  22. 36100
  23. 394384
  24. 50625
  25. 848241
  26. 32761
  27. 4588164
  28. 541696
  29. 384400
  30. 606841
  31. 576081
  32. 165649
  33. 43546801
  34. 40804
  35. 38025
  36. 267289
  37. 376996
  38. 14884
  39. 236196
  40. 128881

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