← 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 557 · 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. 1.364² =
  2. 2.8250² =
  3. 3.7206² =
  4. 4.566² =
  5. 5.1229² =
  6. 6.3010² =
  7. 7.542² =
  8. 8.410² =
  9. 9.4987² =
  10. 10.419² =
  11. 11.3812² =
  12. 12.346² =
  13. 13.4346² =
  14. 14.9438² =
  15. 15.5475² =
  16. 16.1090² =
  17. 17.442² =
  18. 18.751² =
  19. 19.4581² =
  20. 20.941² =
  21. 21.867² =
  22. 22.147² =
  23. 23.450² =
  24. 24.9064² =
  25. 25.572² =
  26. 26.517² =
  27. 27.1088² =
  28. 28.2784² =
  29. 29.8819² =
  30. 30.3887² =
  31. 31.447² =
  32. 32.356² =
  33. 33.264² =
  34. 34.860² =
  35. 35.748² =
  36. 36.8573² =
  37. 37.986² =
  38. 38.5640² =
  39. 39.684² =
  40. 40.4584² =

Answer key

  1. 132496
  2. 68062500
  3. 51926436
  4. 320356
  5. 1510441
  6. 9060100
  7. 293764
  8. 168100
  9. 24870169
  10. 175561
  11. 14531344
  12. 119716
  13. 18887716
  14. 89075844
  15. 29975625
  16. 1188100
  17. 195364
  18. 564001
  19. 20985561
  20. 885481
  21. 751689
  22. 21609
  23. 202500
  24. 82156096
  25. 327184
  26. 267289
  27. 1183744
  28. 7750656
  29. 77774761
  30. 15108769
  31. 199809
  32. 126736
  33. 69696
  34. 739600
  35. 559504
  36. 73496329
  37. 972196
  38. 31809600
  39. 467856
  40. 21013056

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