← 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 743 · 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. 1.467² =
  2. 2.769² =
  3. 3.815² =
  4. 4.3252² =
  5. 5.987² =
  6. 6.531² =
  7. 7.125² =
  8. 8.939² =
  9. 9.324² =
  10. 10.4429² =
  11. 11.137² =
  12. 12.731² =
  13. 13.340² =
  14. 14.5390² =
  15. 15.572² =
  16. 16.329² =
  17. 17.5114² =
  18. 18.603² =
  19. 19.605² =
  20. 20.1050² =
  21. 21.390² =
  22. 22.5549² =
  23. 23.490² =
  24. 24.761² =
  25. 25.456² =
  26. 26.781² =
  27. 27.113² =
  28. 28.823² =
  29. 29.246² =
  30. 30.107² =
  31. 31.634² =
  32. 32.741² =
  33. 33.9125² =
  34. 34.977² =
  35. 35.3069² =
  36. 36.790² =
  37. 37.964² =
  38. 38.6704² =
  39. 39.559² =
  40. 40.122² =

Answer key

  1. 218089
  2. 591361
  3. 664225
  4. 10575504
  5. 974169
  6. 281961
  7. 15625
  8. 881721
  9. 104976
  10. 19616041
  11. 18769
  12. 534361
  13. 115600
  14. 29052100
  15. 327184
  16. 108241
  17. 26152996
  18. 363609
  19. 366025
  20. 1102500
  21. 152100
  22. 30791401
  23. 240100
  24. 579121
  25. 207936
  26. 609961
  27. 12769
  28. 677329
  29. 60516
  30. 11449
  31. 401956
  32. 549081
  33. 83265625
  34. 954529
  35. 9418761
  36. 624100
  37. 929296
  38. 44943616
  39. 312481
  40. 14884

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