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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 57 · 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. 1.152² =
  2. 2.5562² =
  3. 3.5669² =
  4. 4.8414² =
  5. 5.101² =
  6. 6.903² =
  7. 7.455² =
  8. 8.376² =
  9. 9.990² =
  10. 10.336² =
  11. 11.266² =
  12. 12.9819² =
  13. 13.6226² =
  14. 14.582² =
  15. 15.637² =
  16. 16.167² =
  17. 17.507² =
  18. 18.317² =
  19. 19.9654² =
  20. 20.9573² =
  21. 21.8760² =
  22. 22.172² =
  23. 23.1671² =
  24. 24.993² =
  25. 25.862² =
  26. 26.788² =
  27. 27.942² =
  28. 28.483² =
  29. 29.615² =
  30. 30.503² =
  31. 31.868² =
  32. 32.7764² =
  33. 33.801² =
  34. 34.1111² =
  35. 35.162² =
  36. 36.1352² =
  37. 37.959² =
  38. 38.389² =
  39. 39.794² =
  40. 40.559² =

Answer key

  1. 23104
  2. 30935844
  3. 32137561
  4. 70795396
  5. 10201
  6. 815409
  7. 207025
  8. 141376
  9. 980100
  10. 112896
  11. 70756
  12. 96412761
  13. 38763076
  14. 338724
  15. 405769
  16. 27889
  17. 257049
  18. 100489
  19. 93199716
  20. 91642329
  21. 76737600
  22. 29584
  23. 2792241
  24. 986049
  25. 743044
  26. 620944
  27. 887364
  28. 233289
  29. 378225
  30. 253009
  31. 753424
  32. 60279696
  33. 641601
  34. 1234321
  35. 26244
  36. 1827904
  37. 919681
  38. 151321
  39. 630436
  40. 312481

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