← 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 118 · 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. 1.927² =
  2. 2.744² =
  3. 3.801² =
  4. 4.963² =
  5. 5.849² =
  6. 6.4630² =
  7. 7.454² =
  8. 8.2365² =
  9. 9.7962² =
  10. 10.888² =
  11. 11.212² =
  12. 12.272² =
  13. 13.391² =
  14. 14.9698² =
  15. 15.381² =
  16. 16.2518² =
  17. 17.634² =
  18. 18.354² =
  19. 19.6840² =
  20. 20.628² =
  21. 21.528² =
  22. 22.2704² =
  23. 23.866² =
  24. 24.975² =
  25. 25.281² =
  26. 26.3437² =
  27. 27.4045² =
  28. 28.833² =
  29. 29.731² =
  30. 30.111² =
  31. 31.474² =
  32. 32.691² =
  33. 33.711² =
  34. 34.785² =
  35. 35.517² =
  36. 36.512² =
  37. 37.311² =
  38. 38.536² =
  39. 39.930² =
  40. 40.229² =

Answer key

  1. 859329
  2. 553536
  3. 641601
  4. 927369
  5. 720801
  6. 21436900
  7. 206116
  8. 5593225
  9. 63393444
  10. 788544
  11. 44944
  12. 73984
  13. 152881
  14. 94051204
  15. 145161
  16. 6340324
  17. 401956
  18. 125316
  19. 46785600
  20. 394384
  21. 278784
  22. 7311616
  23. 749956
  24. 950625
  25. 78961
  26. 11812969
  27. 16362025
  28. 693889
  29. 534361
  30. 12321
  31. 224676
  32. 477481
  33. 505521
  34. 616225
  35. 267289
  36. 262144
  37. 96721
  38. 287296
  39. 864900
  40. 52441

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