← 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 527 · 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. 1.5937² =
  2. 2.132² =
  3. 3.540² =
  4. 4.515² =
  5. 5.640² =
  6. 6.332² =
  7. 7.927² =
  8. 8.202² =
  9. 9.984² =
  10. 10.530² =
  11. 11.348² =
  12. 12.516² =
  13. 13.3833² =
  14. 14.3807² =
  15. 15.9718² =
  16. 16.8473² =
  17. 17.185² =
  18. 18.634² =
  19. 19.457² =
  20. 20.555² =
  21. 21.826² =
  22. 22.5080² =
  23. 23.860² =
  24. 24.760² =
  25. 25.5497² =
  26. 26.856² =
  27. 27.562² =
  28. 28.142² =
  29. 29.4362² =
  30. 30.727² =
  31. 31.690² =
  32. 32.5193² =
  33. 33.7071² =
  34. 34.879² =
  35. 35.668² =
  36. 36.190² =
  37. 37.8421² =
  38. 38.7829² =
  39. 39.6956² =
  40. 40.232² =

Answer key

  1. 35247969
  2. 17424
  3. 291600
  4. 265225
  5. 409600
  6. 110224
  7. 859329
  8. 40804
  9. 968256
  10. 280900
  11. 121104
  12. 266256
  13. 14691889
  14. 14493249
  15. 94439524
  16. 71791729
  17. 34225
  18. 401956
  19. 208849
  20. 308025
  21. 682276
  22. 25806400
  23. 739600
  24. 577600
  25. 30217009
  26. 732736
  27. 315844
  28. 20164
  29. 19027044
  30. 528529
  31. 476100
  32. 26967249
  33. 49999041
  34. 772641
  35. 446224
  36. 36100
  37. 70913241
  38. 61293241
  39. 48385936
  40. 53824

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