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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 768 · 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. 2.848² =
  3. 3.3868² =
  4. 4.7616² =
  5. 5.3365² =
  6. 6.5122² =
  7. 7.3064² =
  8. 8.282² =
  9. 9.9585² =
  10. 10.7620² =
  11. 11.296² =
  12. 12.5853² =
  13. 13.1280² =
  14. 14.636² =
  15. 15.4643² =
  16. 16.988² =
  17. 17.302² =
  18. 18.480² =
  19. 19.229² =
  20. 20.231² =
  21. 21.962² =
  22. 22.2580² =
  23. 23.147² =
  24. 24.846² =
  25. 25.4404² =
  26. 26.6884² =
  27. 27.5123² =
  28. 28.7223² =
  29. 29.742² =
  30. 30.871² =
  31. 31.2518² =
  32. 32.8533² =
  33. 33.905² =
  34. 34.206² =
  35. 35.585² =
  36. 36.3472² =
  37. 37.360² =
  38. 38.221² =
  39. 39.243² =
  40. 40.235² =

Answer key

  1. 547600
  2. 719104
  3. 14961424
  4. 58003456
  5. 11323225
  6. 26234884
  7. 9388096
  8. 79524
  9. 91872225
  10. 58064400
  11. 87616
  12. 34257609
  13. 1638400
  14. 404496
  15. 21557449
  16. 976144
  17. 91204
  18. 230400
  19. 52441
  20. 53361
  21. 925444
  22. 6656400
  23. 21609
  24. 715716
  25. 19395216
  26. 47389456
  27. 26245129
  28. 52171729
  29. 550564
  30. 758641
  31. 6340324
  32. 72812089
  33. 819025
  34. 42436
  35. 342225
  36. 12054784
  37. 129600
  38. 48841
  39. 59049
  40. 55225

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