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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 224 · 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. 1.424² =
  2. 2.2921² =
  3. 3.261² =
  4. 4.149² =
  5. 5.555² =
  6. 6.710² =
  7. 7.9075² =
  8. 8.561² =
  9. 9.958² =
  10. 10.5382² =
  11. 11.4071² =
  12. 12.5818² =
  13. 13.303² =
  14. 14.710² =
  15. 15.486² =
  16. 16.5022² =
  17. 17.419² =
  18. 18.860² =
  19. 19.5267² =
  20. 20.341² =
  21. 21.118² =
  22. 22.395² =
  23. 23.8220² =
  24. 24.2945² =
  25. 25.246² =
  26. 26.823² =
  27. 27.144² =
  28. 28.851² =
  29. 29.6221² =
  30. 30.5680² =
  31. 31.922² =
  32. 32.165² =
  33. 33.666² =
  34. 34.705² =
  35. 35.301² =
  36. 36.794² =
  37. 37.613² =
  38. 38.844² =
  39. 39.2486² =
  40. 40.608² =

Answer key

  1. 179776
  2. 8532241
  3. 68121
  4. 22201
  5. 308025
  6. 504100
  7. 82355625
  8. 314721
  9. 917764
  10. 28965924
  11. 16573041
  12. 33849124
  13. 91809
  14. 504100
  15. 236196
  16. 25220484
  17. 175561
  18. 739600
  19. 27741289
  20. 116281
  21. 13924
  22. 156025
  23. 67568400
  24. 8673025
  25. 60516
  26. 677329
  27. 20736
  28. 724201
  29. 38700841
  30. 32262400
  31. 850084
  32. 27225
  33. 443556
  34. 497025
  35. 90601
  36. 630436
  37. 375769
  38. 712336
  39. 6180196
  40. 369664

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