← 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 416 · 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. 1.214² =
  2. 2.2045² =
  3. 3.462² =
  4. 4.296² =
  5. 5.5967² =
  6. 6.3319² =
  7. 7.3238² =
  8. 8.224² =
  9. 9.1834² =
  10. 10.438² =
  11. 11.3630² =
  12. 12.7286² =
  13. 13.2329² =
  14. 14.213² =
  15. 15.697² =
  16. 16.356² =
  17. 17.792² =
  18. 18.412² =
  19. 19.114² =
  20. 20.867² =
  21. 21.988² =
  22. 22.915² =
  23. 23.250² =
  24. 24.760² =
  25. 25.179² =
  26. 26.304² =
  27. 27.539² =
  28. 28.946² =
  29. 29.412² =
  30. 30.8399² =
  31. 31.320² =
  32. 32.8221² =
  33. 33.3592² =
  34. 34.3756² =
  35. 35.173² =
  36. 36.753² =
  37. 37.151² =
  38. 38.6779² =
  39. 39.8843² =
  40. 40.888² =

Answer key

  1. 45796
  2. 4182025
  3. 213444
  4. 87616
  5. 35605089
  6. 11015761
  7. 10484644
  8. 50176
  9. 3363556
  10. 191844
  11. 13176900
  12. 53085796
  13. 5424241
  14. 45369
  15. 485809
  16. 126736
  17. 627264
  18. 169744
  19. 12996
  20. 751689
  21. 976144
  22. 837225
  23. 62500
  24. 577600
  25. 32041
  26. 92416
  27. 290521
  28. 894916
  29. 169744
  30. 70543201
  31. 102400
  32. 67584841
  33. 12902464
  34. 14107536
  35. 29929
  36. 567009
  37. 22801
  38. 45954841
  39. 78198649
  40. 788544

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