← 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 735 · 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. 1.992² =
  2. 2.379² =
  3. 3.4095² =
  4. 4.587² =
  5. 5.2137² =
  6. 6.558² =
  7. 7.488² =
  8. 8.581² =
  9. 9.459² =
  10. 10.234² =
  11. 11.127² =
  12. 12.9186² =
  13. 13.173² =
  14. 14.952² =
  15. 15.765² =
  16. 16.132² =
  17. 17.995² =
  18. 18.281² =
  19. 19.868² =
  20. 20.125² =
  21. 21.959² =
  22. 22.945² =
  23. 23.835² =
  24. 24.478² =
  25. 25.2640² =
  26. 26.397² =
  27. 27.583² =
  28. 28.184² =
  29. 29.3655² =
  30. 30.585² =
  31. 31.429² =
  32. 32.4505² =
  33. 33.263² =
  34. 34.743² =
  35. 35.645² =
  36. 36.166² =
  37. 37.5470² =
  38. 38.157² =
  39. 39.5972² =
  40. 40.985² =

Answer key

  1. 984064
  2. 143641
  3. 16769025
  4. 344569
  5. 4566769
  6. 311364
  7. 238144
  8. 337561
  9. 210681
  10. 54756
  11. 16129
  12. 84382596
  13. 29929
  14. 906304
  15. 585225
  16. 17424
  17. 990025
  18. 78961
  19. 753424
  20. 15625
  21. 919681
  22. 893025
  23. 697225
  24. 228484
  25. 6969600
  26. 157609
  27. 339889
  28. 33856
  29. 13359025
  30. 342225
  31. 184041
  32. 20295025
  33. 69169
  34. 552049
  35. 416025
  36. 27556
  37. 29920900
  38. 24649
  39. 35664784
  40. 970225

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