← 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 573 · 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. 1.2352² =
  2. 2.3523² =
  3. 3.532² =
  4. 4.761² =
  5. 5.6077² =
  6. 6.636² =
  7. 7.1177² =
  8. 8.6252² =
  9. 9.925² =
  10. 10.671² =
  11. 11.819² =
  12. 12.772² =
  13. 13.311² =
  14. 14.7591² =
  15. 15.508² =
  16. 16.468² =
  17. 17.563² =
  18. 18.399² =
  19. 19.598² =
  20. 20.229² =
  21. 21.452² =
  22. 22.834² =
  23. 23.1646² =
  24. 24.6373² =
  25. 25.494² =
  26. 26.363² =
  27. 27.149² =
  28. 28.589² =
  29. 29.9431² =
  30. 30.9778² =
  31. 31.398² =
  32. 32.341² =
  33. 33.840² =
  34. 34.933² =
  35. 35.416² =
  36. 36.9285² =
  37. 37.795² =
  38. 38.112² =
  39. 39.255² =
  40. 40.1611² =

Answer key

  1. 5531904
  2. 12411529
  3. 283024
  4. 579121
  5. 36929929
  6. 404496
  7. 1385329
  8. 39087504
  9. 855625
  10. 450241
  11. 670761
  12. 595984
  13. 96721
  14. 57623281
  15. 258064
  16. 219024
  17. 316969
  18. 159201
  19. 357604
  20. 52441
  21. 204304
  22. 695556
  23. 2709316
  24. 40615129
  25. 244036
  26. 131769
  27. 22201
  28. 346921
  29. 88943761
  30. 95609284
  31. 158404
  32. 116281
  33. 705600
  34. 870489
  35. 173056
  36. 86211225
  37. 632025
  38. 12544
  39. 65025
  40. 2595321

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