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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 767 · 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. 1.718² =
  2. 2.6277² =
  3. 3.6922² =
  4. 4.758² =
  5. 5.288² =
  6. 6.8678² =
  7. 7.527² =
  8. 8.716² =
  9. 9.9311² =
  10. 10.798² =
  11. 11.1367² =
  12. 12.745² =
  13. 13.6099² =
  14. 14.744² =
  15. 15.689² =
  16. 16.512² =
  17. 17.3004² =
  18. 18.579² =
  19. 19.777² =
  20. 20.9231² =
  21. 21.727² =
  22. 22.181² =
  23. 23.372² =
  24. 24.831² =
  25. 25.412² =
  26. 26.337² =
  27. 27.769² =
  28. 28.452² =
  29. 29.297² =
  30. 30.4708² =
  31. 31.808² =
  32. 32.447² =
  33. 33.5556² =
  34. 34.1431² =
  35. 35.796² =
  36. 36.772² =
  37. 37.721² =
  38. 38.501² =
  39. 39.194² =
  40. 40.658² =

Answer key

  1. 515524
  2. 39400729
  3. 47914084
  4. 574564
  5. 82944
  6. 75307684
  7. 277729
  8. 512656
  9. 86694721
  10. 636804
  11. 1868689
  12. 555025
  13. 37197801
  14. 553536
  15. 474721
  16. 262144
  17. 9024016
  18. 335241
  19. 603729
  20. 85211361
  21. 528529
  22. 32761
  23. 138384
  24. 690561
  25. 169744
  26. 113569
  27. 591361
  28. 204304
  29. 88209
  30. 22165264
  31. 652864
  32. 199809
  33. 30869136
  34. 2047761
  35. 633616
  36. 595984
  37. 519841
  38. 251001
  39. 37636
  40. 432964

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