← 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 344 · 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. 1.740² =
  2. 2.295² =
  3. 3.577² =
  4. 4.9083² =
  5. 5.4601² =
  6. 6.451² =
  7. 7.672² =
  8. 8.973² =
  9. 9.126² =
  10. 10.707² =
  11. 11.403² =
  12. 12.8115² =
  13. 13.922² =
  14. 14.554² =
  15. 15.753² =
  16. 16.126² =
  17. 17.467² =
  18. 18.5256² =
  19. 19.273² =
  20. 20.351² =
  21. 21.502² =
  22. 22.263² =
  23. 23.7377² =
  24. 24.788² =
  25. 25.383² =
  26. 26.7529² =
  27. 27.644² =
  28. 28.132² =
  29. 29.774² =
  30. 30.837² =
  31. 31.4859² =
  32. 32.553² =
  33. 33.325² =
  34. 34.150² =
  35. 35.384² =
  36. 36.267² =
  37. 37.830² =
  38. 38.833² =
  39. 39.5656² =
  40. 40.812² =

Answer key

  1. 547600
  2. 87025
  3. 332929
  4. 82500889
  5. 21169201
  6. 203401
  7. 451584
  8. 946729
  9. 15876
  10. 499849
  11. 162409
  12. 65853225
  13. 850084
  14. 306916
  15. 567009
  16. 15876
  17. 218089
  18. 27625536
  19. 74529
  20. 123201
  21. 252004
  22. 69169
  23. 54420129
  24. 620944
  25. 146689
  26. 56685841
  27. 414736
  28. 17424
  29. 599076
  30. 700569
  31. 23609881
  32. 305809
  33. 105625
  34. 22500
  35. 147456
  36. 71289
  37. 688900
  38. 693889
  39. 31990336
  40. 659344

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