← 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 869 · 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. 1.916² =
  2. 2.6363² =
  3. 3.783² =
  4. 4.379² =
  5. 5.309² =
  6. 6.404² =
  7. 7.389² =
  8. 8.6396² =
  9. 9.702² =
  10. 10.986² =
  11. 11.595² =
  12. 12.898² =
  13. 13.497² =
  14. 14.287² =
  15. 15.988² =
  16. 16.905² =
  17. 17.436² =
  18. 18.607² =
  19. 19.8246² =
  20. 20.339² =
  21. 21.873² =
  22. 22.583² =
  23. 23.658² =
  24. 24.623² =
  25. 25.644² =
  26. 26.5595² =
  27. 27.763² =
  28. 28.839² =
  29. 29.856² =
  30. 30.3654² =
  31. 31.293² =
  32. 32.266² =
  33. 33.827² =
  34. 34.3119² =
  35. 35.512² =
  36. 36.4716² =
  37. 37.478² =
  38. 38.332² =
  39. 39.1285² =
  40. 40.709² =

Answer key

  1. 839056
  2. 40487769
  3. 613089
  4. 143641
  5. 95481
  6. 163216
  7. 151321
  8. 40908816
  9. 492804
  10. 972196
  11. 354025
  12. 806404
  13. 247009
  14. 82369
  15. 976144
  16. 819025
  17. 190096
  18. 368449
  19. 67996516
  20. 114921
  21. 762129
  22. 339889
  23. 432964
  24. 388129
  25. 414736
  26. 31304025
  27. 582169
  28. 703921
  29. 732736
  30. 13351716
  31. 85849
  32. 70756
  33. 683929
  34. 9728161
  35. 262144
  36. 22240656
  37. 228484
  38. 110224
  39. 1651225
  40. 502681

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