← 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 952 · 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. 1.962² =
  2. 2.326² =
  3. 3.973² =
  4. 4.928² =
  5. 5.5414² =
  6. 6.697² =
  7. 7.414² =
  8. 8.129² =
  9. 9.856² =
  10. 10.4647² =
  11. 11.931² =
  12. 12.3070² =
  13. 13.668² =
  14. 14.480² =
  15. 15.149² =
  16. 16.159² =
  17. 17.964² =
  18. 18.473² =
  19. 19.205² =
  20. 20.9145² =
  21. 21.201² =
  22. 22.286² =
  23. 23.590² =
  24. 24.9983² =
  25. 25.840² =
  26. 26.9582² =
  27. 27.757² =
  28. 28.619² =
  29. 29.5824² =
  30. 30.196² =
  31. 31.872² =
  32. 32.561² =
  33. 33.105² =
  34. 34.227² =
  35. 35.3384² =
  36. 36.407² =
  37. 37.715² =
  38. 38.691² =
  39. 39.510² =
  40. 40.218² =

Answer key

  1. 925444
  2. 106276
  3. 946729
  4. 861184
  5. 29311396
  6. 485809
  7. 171396
  8. 16641
  9. 732736
  10. 21594609
  11. 866761
  12. 9424900
  13. 446224
  14. 230400
  15. 22201
  16. 25281
  17. 929296
  18. 223729
  19. 42025
  20. 83631025
  21. 40401
  22. 81796
  23. 348100
  24. 99660289
  25. 705600
  26. 91814724
  27. 573049
  28. 383161
  29. 33918976
  30. 38416
  31. 760384
  32. 314721
  33. 11025
  34. 51529
  35. 11451456
  36. 165649
  37. 511225
  38. 477481
  39. 260100
  40. 47524

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