← 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 115 · 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. 1.198² =
  2. 2.576² =
  3. 3.733² =
  4. 4.1092² =
  5. 5.522² =
  6. 6.763² =
  7. 7.393² =
  8. 8.820² =
  9. 9.711² =
  10. 10.313² =
  11. 11.9094² =
  12. 12.136² =
  13. 13.953² =
  14. 14.705² =
  15. 15.287² =
  16. 16.858² =
  17. 17.6759² =
  18. 18.8344² =
  19. 19.4458² =
  20. 20.188² =
  21. 21.792² =
  22. 22.265² =
  23. 23.959² =
  24. 24.202² =
  25. 25.108² =
  26. 26.3871² =
  27. 27.227² =
  28. 28.1534² =
  29. 29.682² =
  30. 30.651² =
  31. 31.580² =
  32. 32.781² =
  33. 33.894² =
  34. 34.475² =
  35. 35.5718² =
  36. 36.162² =
  37. 37.178² =
  38. 38.3158² =
  39. 39.383² =
  40. 40.326² =

Answer key

  1. 39204
  2. 331776
  3. 537289
  4. 1192464
  5. 272484
  6. 582169
  7. 154449
  8. 672400
  9. 505521
  10. 97969
  11. 82700836
  12. 18496
  13. 908209
  14. 497025
  15. 82369
  16. 736164
  17. 45684081
  18. 69622336
  19. 19873764
  20. 35344
  21. 627264
  22. 70225
  23. 919681
  24. 40804
  25. 11664
  26. 14984641
  27. 51529
  28. 2353156
  29. 465124
  30. 423801
  31. 336400
  32. 609961
  33. 799236
  34. 225625
  35. 32695524
  36. 26244
  37. 31684
  38. 9972964
  39. 146689
  40. 106276

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