← 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 591 · 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. 1.372² =
  2. 2.814² =
  3. 3.623² =
  4. 4.6396² =
  5. 5.839² =
  6. 6.459² =
  7. 7.2053² =
  8. 8.5132² =
  9. 9.141² =
  10. 10.1070² =
  11. 11.563² =
  12. 12.144² =
  13. 13.882² =
  14. 14.483² =
  15. 15.939² =
  16. 16.745² =
  17. 17.887² =
  18. 18.657² =
  19. 19.420² =
  20. 20.198² =
  21. 21.2324² =
  22. 22.294² =
  23. 23.2139² =
  24. 24.694² =
  25. 25.115² =
  26. 26.318² =
  27. 27.151² =
  28. 28.6519² =
  29. 29.312² =
  30. 30.154² =
  31. 31.9263² =
  32. 32.816² =
  33. 33.911² =
  34. 34.265² =
  35. 35.465² =
  36. 36.650² =
  37. 37.169² =
  38. 38.755² =
  39. 39.187² =
  40. 40.691² =

Answer key

  1. 138384
  2. 662596
  3. 388129
  4. 40908816
  5. 703921
  6. 210681
  7. 4214809
  8. 26337424
  9. 19881
  10. 1144900
  11. 316969
  12. 20736
  13. 777924
  14. 233289
  15. 881721
  16. 555025
  17. 786769
  18. 431649
  19. 176400
  20. 39204
  21. 5400976
  22. 86436
  23. 4575321
  24. 481636
  25. 13225
  26. 101124
  27. 22801
  28. 42497361
  29. 97344
  30. 23716
  31. 85803169
  32. 665856
  33. 829921
  34. 70225
  35. 216225
  36. 422500
  37. 28561
  38. 570025
  39. 34969
  40. 477481

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