← 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 152 · 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. 1.683² =
  2. 2.589² =
  3. 3.198² =
  4. 4.2997² =
  5. 5.346² =
  6. 6.381² =
  7. 7.336² =
  8. 8.732² =
  9. 9.3395² =
  10. 10.3099² =
  11. 11.516² =
  12. 12.709² =
  13. 13.988² =
  14. 14.947² =
  15. 15.778² =
  16. 16.1313² =
  17. 17.114² =
  18. 18.4304² =
  19. 19.772² =
  20. 20.114² =
  21. 21.1082² =
  22. 22.2564² =
  23. 23.630² =
  24. 24.804² =
  25. 25.103² =
  26. 26.1776² =
  27. 27.317² =
  28. 28.615² =
  29. 29.762² =
  30. 30.1975² =
  31. 31.891² =
  32. 32.272² =
  33. 33.5829² =
  34. 34.276² =
  35. 35.612² =
  36. 36.966² =
  37. 37.523² =
  38. 38.603² =
  39. 39.2439² =
  40. 40.572² =

Answer key

  1. 466489
  2. 346921
  3. 39204
  4. 8982009
  5. 119716
  6. 145161
  7. 112896
  8. 535824
  9. 11526025
  10. 9603801
  11. 266256
  12. 502681
  13. 976144
  14. 896809
  15. 605284
  16. 1723969
  17. 12996
  18. 18524416
  19. 595984
  20. 12996
  21. 1170724
  22. 6574096
  23. 396900
  24. 646416
  25. 10609
  26. 3154176
  27. 100489
  28. 378225
  29. 580644
  30. 3900625
  31. 793881
  32. 73984
  33. 33977241
  34. 76176
  35. 374544
  36. 933156
  37. 273529
  38. 363609
  39. 5948721
  40. 327184

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