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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 34 · 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. 1.483² =
  2. 2.957² =
  3. 3.9323² =
  4. 4.2152² =
  5. 5.771² =
  6. 6.807² =
  7. 7.5379² =
  8. 8.849² =
  9. 9.446² =
  10. 10.688² =
  11. 11.368² =
  12. 12.412² =
  13. 13.7866² =
  14. 14.251² =
  15. 15.165² =
  16. 16.589² =
  17. 17.627² =
  18. 18.806² =
  19. 19.188² =
  20. 20.8273² =
  21. 21.306² =
  22. 22.528² =
  23. 23.632² =
  24. 24.890² =
  25. 25.150² =
  26. 26.477² =
  27. 27.225² =
  28. 28.9618² =
  29. 29.3489² =
  30. 30.7396² =
  31. 31.778² =
  32. 32.314² =
  33. 33.123² =
  34. 34.486² =
  35. 35.104² =
  36. 36.308² =
  37. 37.6039² =
  38. 38.138² =
  39. 39.273² =
  40. 40.429² =

Answer key

  1. 233289
  2. 915849
  3. 86918329
  4. 4631104
  5. 594441
  6. 651249
  7. 28933641
  8. 720801
  9. 198916
  10. 473344
  11. 135424
  12. 169744
  13. 61873956
  14. 63001
  15. 27225
  16. 346921
  17. 393129
  18. 649636
  19. 35344
  20. 68442529
  21. 93636
  22. 278784
  23. 399424
  24. 792100
  25. 22500
  26. 227529
  27. 50625
  28. 92505924
  29. 12173121
  30. 54700816
  31. 605284
  32. 98596
  33. 15129
  34. 236196
  35. 10816
  36. 94864
  37. 36469521
  38. 19044
  39. 74529
  40. 184041

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