← 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 337 · 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. 1.3893² =
  2. 2.483² =
  3. 3.736² =
  4. 4.680² =
  5. 5.575² =
  6. 6.378² =
  7. 7.2177² =
  8. 8.520² =
  9. 9.465² =
  10. 10.9115² =
  11. 11.770² =
  12. 12.678² =
  13. 13.6827² =
  14. 14.790² =
  15. 15.3796² =
  16. 16.114² =
  17. 17.3118² =
  18. 18.429² =
  19. 19.733² =
  20. 20.765² =
  21. 21.900² =
  22. 22.3437² =
  23. 23.198² =
  24. 24.4526² =
  25. 25.362² =
  26. 26.1284² =
  27. 27.979² =
  28. 28.268² =
  29. 29.534² =
  30. 30.6043² =
  31. 31.7891² =
  32. 32.4177² =
  33. 33.193² =
  34. 34.678² =
  35. 35.3328² =
  36. 36.956² =
  37. 37.284² =
  38. 38.1866² =
  39. 39.207² =
  40. 40.8277² =

Answer key

  1. 15155449
  2. 233289
  3. 541696
  4. 462400
  5. 330625
  6. 142884
  7. 4739329
  8. 270400
  9. 216225
  10. 83083225
  11. 592900
  12. 459684
  13. 46607929
  14. 624100
  15. 14409616
  16. 12996
  17. 9721924
  18. 184041
  19. 537289
  20. 585225
  21. 810000
  22. 11812969
  23. 39204
  24. 20484676
  25. 131044
  26. 1648656
  27. 958441
  28. 71824
  29. 285156
  30. 36517849
  31. 62267881
  32. 17447329
  33. 37249
  34. 459684
  35. 11075584
  36. 913936
  37. 80656
  38. 3481956
  39. 42849
  40. 68508729

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