← 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 773 · 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. 1.676² =
  2. 2.107² =
  3. 3.6031² =
  4. 4.290² =
  5. 5.4608² =
  6. 6.171² =
  7. 7.791² =
  8. 8.3003² =
  9. 9.806² =
  10. 10.173² =
  11. 11.927² =
  12. 12.9506² =
  13. 13.3623² =
  14. 14.110² =
  15. 15.905² =
  16. 16.586² =
  17. 17.1412² =
  18. 18.597² =
  19. 19.869² =
  20. 20.979² =
  21. 21.1687² =
  22. 22.954² =
  23. 23.544² =
  24. 24.916² =
  25. 25.574² =
  26. 26.245² =
  27. 27.739² =
  28. 28.667² =
  29. 29.5217² =
  30. 30.4101² =
  31. 31.374² =
  32. 32.828² =
  33. 33.865² =
  34. 34.8364² =
  35. 35.2866² =
  36. 36.958² =
  37. 37.719² =
  38. 38.6230² =
  39. 39.495² =
  40. 40.956² =

Answer key

  1. 456976
  2. 11449
  3. 36372961
  4. 84100
  5. 21233664
  6. 29241
  7. 625681
  8. 9018009
  9. 649636
  10. 29929
  11. 859329
  12. 90364036
  13. 13126129
  14. 12100
  15. 819025
  16. 343396
  17. 1993744
  18. 356409
  19. 755161
  20. 958441
  21. 2845969
  22. 910116
  23. 295936
  24. 839056
  25. 329476
  26. 60025
  27. 546121
  28. 444889
  29. 27217089
  30. 16818201
  31. 139876
  32. 685584
  33. 748225
  34. 69956496
  35. 8213956
  36. 917764
  37. 516961
  38. 38812900
  39. 245025
  40. 913936

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