← 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 842 · 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. 1.567² =
  2. 2.572² =
  3. 3.874² =
  4. 4.357² =
  5. 5.656² =
  6. 6.244² =
  7. 7.940² =
  8. 8.7396² =
  9. 9.4536² =
  10. 10.999² =
  11. 11.330² =
  12. 12.116² =
  13. 13.257² =
  14. 14.369² =
  15. 15.440² =
  16. 16.969² =
  17. 17.592² =
  18. 18.519² =
  19. 19.599² =
  20. 20.887² =
  21. 21.114² =
  22. 22.454² =
  23. 23.492² =
  24. 24.983² =
  25. 25.170² =
  26. 26.421² =
  27. 27.823² =
  28. 28.5589² =
  29. 29.384² =
  30. 30.1262² =
  31. 31.7276² =
  32. 32.1543² =
  33. 33.279² =
  34. 34.474² =
  35. 35.856² =
  36. 36.1646² =
  37. 37.3299² =
  38. 38.4924² =
  39. 39.153² =
  40. 40.477² =

Answer key

  1. 321489
  2. 327184
  3. 763876
  4. 127449
  5. 430336
  6. 59536
  7. 883600
  8. 54700816
  9. 20575296
  10. 998001
  11. 108900
  12. 13456
  13. 66049
  14. 136161
  15. 193600
  16. 938961
  17. 350464
  18. 269361
  19. 358801
  20. 786769
  21. 12996
  22. 206116
  23. 242064
  24. 966289
  25. 28900
  26. 177241
  27. 677329
  28. 31236921
  29. 147456
  30. 1592644
  31. 52940176
  32. 2380849
  33. 77841
  34. 224676
  35. 732736
  36. 2709316
  37. 10883401
  38. 24245776
  39. 23409
  40. 227529

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