← 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 950 · 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. 1.369² =
  2. 2.235² =
  3. 3.847² =
  4. 4.268² =
  5. 5.387² =
  6. 6.5046² =
  7. 7.548² =
  8. 8.663² =
  9. 9.594² =
  10. 10.670² =
  11. 11.549² =
  12. 12.131² =
  13. 13.1454² =
  14. 14.3599² =
  15. 15.4511² =
  16. 16.3596² =
  17. 17.1593² =
  18. 18.646² =
  19. 19.568² =
  20. 20.765² =
  21. 21.454² =
  22. 22.950² =
  23. 23.867² =
  24. 24.144² =
  25. 25.474² =
  26. 26.520² =
  27. 27.917² =
  28. 28.684² =
  29. 29.448² =
  30. 30.240² =
  31. 31.288² =
  32. 32.148² =
  33. 33.552² =
  34. 34.3085² =
  35. 35.801² =
  36. 36.195² =
  37. 37.558² =
  38. 38.573² =
  39. 39.332² =
  40. 40.607² =

Answer key

  1. 136161
  2. 55225
  3. 717409
  4. 71824
  5. 149769
  6. 25462116
  7. 300304
  8. 439569
  9. 352836
  10. 448900
  11. 301401
  12. 17161
  13. 2114116
  14. 12952801
  15. 20349121
  16. 12931216
  17. 2537649
  18. 417316
  19. 322624
  20. 585225
  21. 206116
  22. 902500
  23. 751689
  24. 20736
  25. 224676
  26. 270400
  27. 840889
  28. 467856
  29. 200704
  30. 57600
  31. 82944
  32. 21904
  33. 304704
  34. 9517225
  35. 641601
  36. 38025
  37. 311364
  38. 328329
  39. 110224
  40. 368449

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