← 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 653 · 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. 1.2019² =
  2. 2.544² =
  3. 3.331² =
  4. 4.129² =
  5. 5.197² =
  6. 6.6635² =
  7. 7.535² =
  8. 8.609² =
  9. 9.8727² =
  10. 10.518² =
  11. 11.910² =
  12. 12.9862² =
  13. 13.6002² =
  14. 14.1118² =
  15. 15.285² =
  16. 16.391² =
  17. 17.3263² =
  18. 18.884² =
  19. 19.700² =
  20. 20.676² =
  21. 21.7660² =
  22. 22.1468² =
  23. 23.3339² =
  24. 24.8284² =
  25. 25.636² =
  26. 26.155² =
  27. 27.767² =
  28. 28.7587² =
  29. 29.798² =
  30. 30.497² =
  31. 31.962² =
  32. 32.7625² =
  33. 33.327² =
  34. 34.841² =
  35. 35.374² =
  36. 36.3685² =
  37. 37.7383² =
  38. 38.769² =
  39. 39.242² =
  40. 40.333² =

Answer key

  1. 4076361
  2. 295936
  3. 109561
  4. 16641
  5. 38809
  6. 44023225
  7. 286225
  8. 370881
  9. 76160529
  10. 268324
  11. 828100
  12. 97259044
  13. 36024004
  14. 1249924
  15. 81225
  16. 152881
  17. 10647169
  18. 781456
  19. 490000
  20. 456976
  21. 58675600
  22. 2155024
  23. 11148921
  24. 68624656
  25. 404496
  26. 24025
  27. 588289
  28. 57562569
  29. 636804
  30. 247009
  31. 925444
  32. 58140625
  33. 106929
  34. 707281
  35. 139876
  36. 13579225
  37. 54508689
  38. 591361
  39. 58564
  40. 110889

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