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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 236 · 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. 1.577² =
  2. 2.492² =
  3. 3.382² =
  4. 4.980² =
  5. 5.686² =
  6. 6.860² =
  7. 7.559² =
  8. 8.777² =
  9. 9.558² =
  10. 10.742² =
  11. 11.128² =
  12. 12.635² =
  13. 13.940² =
  14. 14.163² =
  15. 15.469² =
  16. 16.181² =
  17. 17.622² =
  18. 18.451² =
  19. 19.804² =
  20. 20.5272² =
  21. 21.418² =
  22. 22.964² =
  23. 23.334² =
  24. 24.7426² =
  25. 25.7322² =
  26. 26.306² =
  27. 27.407² =
  28. 28.160² =
  29. 29.154² =
  30. 30.265² =
  31. 31.118² =
  32. 32.443² =
  33. 33.445² =
  34. 34.785² =
  35. 35.636² =
  36. 36.345² =
  37. 37.8184² =
  38. 38.6471² =
  39. 39.177² =
  40. 40.442² =

Answer key

  1. 332929
  2. 242064
  3. 145924
  4. 960400
  5. 470596
  6. 739600
  7. 312481
  8. 603729
  9. 311364
  10. 550564
  11. 16384
  12. 403225
  13. 883600
  14. 26569
  15. 219961
  16. 32761
  17. 386884
  18. 203401
  19. 646416
  20. 27793984
  21. 174724
  22. 929296
  23. 111556
  24. 55145476
  25. 53611684
  26. 93636
  27. 165649
  28. 25600
  29. 23716
  30. 70225
  31. 13924
  32. 196249
  33. 198025
  34. 616225
  35. 404496
  36. 119025
  37. 66977856
  38. 41873841
  39. 31329
  40. 195364

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