← 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 78 · 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. 1.547² =
  2. 2.6982² =
  3. 3.261² =
  4. 4.193² =
  5. 5.531² =
  6. 6.882² =
  7. 7.359² =
  8. 8.108² =
  9. 9.860² =
  10. 10.563² =
  11. 11.805² =
  12. 12.1531² =
  13. 13.483² =
  14. 14.8269² =
  15. 15.476² =
  16. 16.6550² =
  17. 17.139² =
  18. 18.520² =
  19. 19.299² =
  20. 20.622² =
  21. 21.346² =
  22. 22.103² =
  23. 23.750² =
  24. 24.407² =
  25. 25.131² =
  26. 26.136² =
  27. 27.586² =
  28. 28.570² =
  29. 29.510² =
  30. 30.796² =
  31. 31.122² =
  32. 32.977² =
  33. 33.718² =
  34. 34.525² =
  35. 35.5319² =
  36. 36.785² =
  37. 37.928² =
  38. 38.139² =
  39. 39.952² =
  40. 40.7114² =

Answer key

  1. 299209
  2. 48748324
  3. 68121
  4. 37249
  5. 281961
  6. 777924
  7. 128881
  8. 11664
  9. 739600
  10. 316969
  11. 648025
  12. 2343961
  13. 233289
  14. 68376361
  15. 226576
  16. 42902500
  17. 19321
  18. 270400
  19. 89401
  20. 386884
  21. 119716
  22. 10609
  23. 562500
  24. 165649
  25. 17161
  26. 18496
  27. 343396
  28. 324900
  29. 260100
  30. 633616
  31. 14884
  32. 954529
  33. 515524
  34. 275625
  35. 28291761
  36. 616225
  37. 861184
  38. 19321
  39. 906304
  40. 50608996

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