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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 538 · 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. 1.897² =
  2. 2.961² =
  3. 3.340² =
  4. 4.601² =
  5. 5.433² =
  6. 6.911² =
  7. 7.5692² =
  8. 8.526² =
  9. 9.172² =
  10. 10.964² =
  11. 11.715² =
  12. 12.6735² =
  13. 13.3614² =
  14. 14.9326² =
  15. 15.441² =
  16. 16.7311² =
  17. 17.870² =
  18. 18.3648² =
  19. 19.992² =
  20. 20.1776² =
  21. 21.646² =
  22. 22.1270² =
  23. 23.592² =
  24. 24.3606² =
  25. 25.3375² =
  26. 26.503² =
  27. 27.394² =
  28. 28.2106² =
  29. 29.984² =
  30. 30.2554² =
  31. 31.887² =
  32. 32.7138² =
  33. 33.670² =
  34. 34.267² =
  35. 35.259² =
  36. 36.632² =
  37. 37.303² =
  38. 38.851² =
  39. 39.410² =
  40. 40.314² =

Answer key

  1. 804609
  2. 923521
  3. 115600
  4. 361201
  5. 187489
  6. 829921
  7. 32398864
  8. 276676
  9. 29584
  10. 929296
  11. 511225
  12. 45360225
  13. 13060996
  14. 86974276
  15. 194481
  16. 53450721
  17. 756900
  18. 13307904
  19. 984064
  20. 3154176
  21. 417316
  22. 1612900
  23. 350464
  24. 13003236
  25. 11390625
  26. 253009
  27. 155236
  28. 4435236
  29. 968256
  30. 6522916
  31. 786769
  32. 50951044
  33. 448900
  34. 71289
  35. 67081
  36. 399424
  37. 91809
  38. 724201
  39. 168100
  40. 98596

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