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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 871 · 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. 1.304² =
  2. 2.582² =
  3. 3.512² =
  4. 4.576² =
  5. 5.3021² =
  6. 6.446² =
  7. 7.764² =
  8. 8.785² =
  9. 9.912² =
  10. 10.835² =
  11. 11.3391² =
  12. 12.469² =
  13. 13.4101² =
  14. 14.865² =
  15. 15.290² =
  16. 16.252² =
  17. 17.227² =
  18. 18.338² =
  19. 19.5620² =
  20. 20.2427² =
  21. 21.684² =
  22. 22.447² =
  23. 23.237² =
  24. 24.669² =
  25. 25.4604² =
  26. 26.350² =
  27. 27.8668² =
  28. 28.874² =
  29. 29.675² =
  30. 30.356² =
  31. 31.498² =
  32. 32.941² =
  33. 33.351² =
  34. 34.207² =
  35. 35.399² =
  36. 36.977² =
  37. 37.889² =
  38. 38.7338² =
  39. 39.534² =
  40. 40.692² =

Answer key

  1. 92416
  2. 338724
  3. 262144
  4. 331776
  5. 9126441
  6. 198916
  7. 583696
  8. 616225
  9. 831744
  10. 697225
  11. 11498881
  12. 219961
  13. 16818201
  14. 748225
  15. 84100
  16. 63504
  17. 51529
  18. 114244
  19. 31584400
  20. 5890329
  21. 467856
  22. 199809
  23. 56169
  24. 447561
  25. 21196816
  26. 122500
  27. 75134224
  28. 763876
  29. 455625
  30. 126736
  31. 248004
  32. 885481
  33. 123201
  34. 42849
  35. 159201
  36. 954529
  37. 790321
  38. 53846244
  39. 285156
  40. 478864

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