← 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 533 · 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. 1.8781² =
  2. 2.474² =
  3. 3.237² =
  4. 4.8016² =
  5. 5.413² =
  6. 6.257² =
  7. 7.3959² =
  8. 8.129² =
  9. 9.4266² =
  10. 10.1693² =
  11. 11.987² =
  12. 12.650² =
  13. 13.973² =
  14. 14.265² =
  15. 15.489² =
  16. 16.509² =
  17. 17.786² =
  18. 18.2048² =
  19. 19.738² =
  20. 20.811² =
  21. 21.602² =
  22. 22.289² =
  23. 23.283² =
  24. 24.504² =
  25. 25.793² =
  26. 26.973² =
  27. 27.977² =
  28. 28.541² =
  29. 29.1058² =
  30. 30.4843² =
  31. 31.730² =
  32. 32.259² =
  33. 33.1366² =
  34. 34.901² =
  35. 35.149² =
  36. 36.832² =
  37. 37.294² =
  38. 38.362² =
  39. 39.676² =
  40. 40.752² =

Answer key

  1. 77105961
  2. 224676
  3. 56169
  4. 64256256
  5. 170569
  6. 66049
  7. 15673681
  8. 16641
  9. 18198756
  10. 2866249
  11. 974169
  12. 422500
  13. 946729
  14. 70225
  15. 239121
  16. 259081
  17. 617796
  18. 4194304
  19. 544644
  20. 657721
  21. 362404
  22. 83521
  23. 80089
  24. 254016
  25. 628849
  26. 946729
  27. 954529
  28. 292681
  29. 1119364
  30. 23454649
  31. 532900
  32. 67081
  33. 1865956
  34. 811801
  35. 22201
  36. 692224
  37. 86436
  38. 131044
  39. 456976
  40. 565504

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