← 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 529 · 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. 1.534² =
  2. 2.114² =
  3. 3.7172² =
  4. 4.881² =
  5. 5.243² =
  6. 6.1188² =
  7. 7.869² =
  8. 8.5408² =
  9. 9.292² =
  10. 10.228² =
  11. 11.229² =
  12. 12.710² =
  13. 13.128² =
  14. 14.225² =
  15. 15.588² =
  16. 16.4084² =
  17. 17.668² =
  18. 18.757² =
  19. 19.167² =
  20. 20.783² =
  21. 21.992² =
  22. 22.986² =
  23. 23.9855² =
  24. 24.676² =
  25. 25.593² =
  26. 26.214² =
  27. 27.6373² =
  28. 28.913² =
  29. 29.435² =
  30. 30.204² =
  31. 31.5282² =
  32. 32.626² =
  33. 33.969² =
  34. 34.473² =
  35. 35.784² =
  36. 36.1494² =
  37. 37.593² =
  38. 38.689² =
  39. 39.8981² =
  40. 40.501² =

Answer key

  1. 285156
  2. 12996
  3. 51437584
  4. 776161
  5. 59049
  6. 1411344
  7. 755161
  8. 29246464
  9. 85264
  10. 51984
  11. 52441
  12. 504100
  13. 16384
  14. 50625
  15. 345744
  16. 16679056
  17. 446224
  18. 573049
  19. 27889
  20. 613089
  21. 984064
  22. 972196
  23. 97121025
  24. 456976
  25. 351649
  26. 45796
  27. 40615129
  28. 833569
  29. 189225
  30. 41616
  31. 27899524
  32. 391876
  33. 938961
  34. 223729
  35. 614656
  36. 2232036
  37. 351649
  38. 474721
  39. 80658361
  40. 251001

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