← 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 496 · 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. 1.843² =
  2. 2.722² =
  3. 3.461² =
  4. 4.102² =
  5. 5.2718² =
  6. 6.203² =
  7. 7.931² =
  8. 8.359² =
  9. 9.339² =
  10. 10.862² =
  11. 11.993² =
  12. 12.2038² =
  13. 13.4596² =
  14. 14.398² =
  15. 15.864² =
  16. 16.3877² =
  17. 17.190² =
  18. 18.936² =
  19. 19.492² =
  20. 20.689² =
  21. 21.157² =
  22. 22.469² =
  23. 23.501² =
  24. 24.7843² =
  25. 25.1114² =
  26. 26.906² =
  27. 27.1036² =
  28. 28.9081² =
  29. 29.184² =
  30. 30.659² =
  31. 31.509² =
  32. 32.1869² =
  33. 33.507² =
  34. 34.2878² =
  35. 35.190² =
  36. 36.255² =
  37. 37.3143² =
  38. 38.8424² =
  39. 39.378² =
  40. 40.854² =

Answer key

  1. 710649
  2. 521284
  3. 212521
  4. 10404
  5. 7387524
  6. 41209
  7. 866761
  8. 128881
  9. 114921
  10. 743044
  11. 986049
  12. 4153444
  13. 21123216
  14. 158404
  15. 746496
  16. 15031129
  17. 36100
  18. 876096
  19. 242064
  20. 474721
  21. 24649
  22. 219961
  23. 251001
  24. 61512649
  25. 1240996
  26. 820836
  27. 1073296
  28. 82464561
  29. 33856
  30. 434281
  31. 259081
  32. 3493161
  33. 257049
  34. 8282884
  35. 36100
  36. 65025
  37. 9878449
  38. 70963776
  39. 142884
  40. 729316

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