← 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 967 · 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. 1.1548² =
  2. 2.4731² =
  3. 3.414² =
  4. 4.2077² =
  5. 5.5176² =
  6. 6.779² =
  7. 7.521² =
  8. 8.545² =
  9. 9.7461² =
  10. 10.5614² =
  11. 11.361² =
  12. 12.3150² =
  13. 13.855² =
  14. 14.278² =
  15. 15.223² =
  16. 16.885² =
  17. 17.757² =
  18. 18.928² =
  19. 19.104² =
  20. 20.428² =
  21. 21.8745² =
  22. 22.5347² =
  23. 23.3211² =
  24. 24.149² =
  25. 25.9403² =
  26. 26.5148² =
  27. 27.3723² =
  28. 28.682² =
  29. 29.806² =
  30. 30.821² =
  31. 31.637² =
  32. 32.8845² =
  33. 33.444² =
  34. 34.150² =
  35. 35.1877² =
  36. 36.7109² =
  37. 37.712² =
  38. 38.429² =
  39. 39.718² =
  40. 40.262² =

Answer key

  1. 2396304
  2. 22382361
  3. 171396
  4. 4313929
  5. 26790976
  6. 606841
  7. 271441
  8. 297025
  9. 55666521
  10. 31516996
  11. 130321
  12. 9922500
  13. 731025
  14. 77284
  15. 49729
  16. 783225
  17. 573049
  18. 861184
  19. 10816
  20. 183184
  21. 76475025
  22. 28590409
  23. 10310521
  24. 22201
  25. 88416409
  26. 26501904
  27. 13860729
  28. 465124
  29. 649636
  30. 674041
  31. 405769
  32. 78234025
  33. 197136
  34. 22500
  35. 3523129
  36. 50537881
  37. 506944
  38. 184041
  39. 515524
  40. 68644

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