← 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 476 · 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. 1.4670² =
  2. 2.564² =
  3. 3.334² =
  4. 4.526² =
  5. 5.328² =
  6. 6.433² =
  7. 7.159² =
  8. 8.935² =
  9. 9.4060² =
  10. 10.679² =
  11. 11.4192² =
  12. 12.354² =
  13. 13.874² =
  14. 14.648² =
  15. 15.693² =
  16. 16.243² =
  17. 17.345² =
  18. 18.433² =
  19. 19.483² =
  20. 20.7281² =
  21. 21.405² =
  22. 22.789² =
  23. 23.6516² =
  24. 24.2406² =
  25. 25.6315² =
  26. 26.302² =
  27. 27.756² =
  28. 28.962² =
  29. 29.2455² =
  30. 30.674² =
  31. 31.156² =
  32. 32.425² =
  33. 33.723² =
  34. 34.925² =
  35. 35.186² =
  36. 36.2438² =
  37. 37.678² =
  38. 38.873² =
  39. 39.853² =
  40. 40.170² =

Answer key

  1. 21808900
  2. 318096
  3. 111556
  4. 276676
  5. 107584
  6. 187489
  7. 25281
  8. 874225
  9. 16483600
  10. 461041
  11. 17572864
  12. 125316
  13. 763876
  14. 419904
  15. 480249
  16. 59049
  17. 119025
  18. 187489
  19. 233289
  20. 53012961
  21. 164025
  22. 622521
  23. 42458256
  24. 5788836
  25. 39879225
  26. 91204
  27. 571536
  28. 925444
  29. 6027025
  30. 454276
  31. 24336
  32. 180625
  33. 522729
  34. 855625
  35. 34596
  36. 5943844
  37. 459684
  38. 762129
  39. 727609
  40. 28900

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