← 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 245 · 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. 1.853² =
  2. 2.648² =
  3. 3.9533² =
  4. 4.839² =
  5. 5.5061² =
  6. 6.249² =
  7. 7.373² =
  8. 8.7913² =
  9. 9.7968² =
  10. 10.905² =
  11. 11.7058² =
  12. 12.283² =
  13. 13.278² =
  14. 14.323² =
  15. 15.118² =
  16. 16.8449² =
  17. 17.560² =
  18. 18.592² =
  19. 19.863² =
  20. 20.970² =
  21. 21.625² =
  22. 22.3076² =
  23. 23.4562² =
  24. 24.453² =
  25. 25.864² =
  26. 26.172² =
  27. 27.112² =
  28. 28.316² =
  29. 29.519² =
  30. 30.611² =
  31. 31.326² =
  32. 32.922² =
  33. 33.336² =
  34. 34.665² =
  35. 35.227² =
  36. 36.459² =
  37. 37.645² =
  38. 38.280² =
  39. 39.825² =
  40. 40.822² =

Answer key

  1. 727609
  2. 419904
  3. 90878089
  4. 703921
  5. 25613721
  6. 62001
  7. 139129
  8. 62615569
  9. 63489024
  10. 819025
  11. 49815364
  12. 80089
  13. 77284
  14. 104329
  15. 13924
  16. 71385601
  17. 313600
  18. 350464
  19. 744769
  20. 940900
  21. 390625
  22. 9461776
  23. 20811844
  24. 205209
  25. 746496
  26. 29584
  27. 12544
  28. 99856
  29. 269361
  30. 373321
  31. 106276
  32. 850084
  33. 112896
  34. 442225
  35. 51529
  36. 210681
  37. 416025
  38. 78400
  39. 680625
  40. 675684

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