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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 596 · 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. 1.1855² =
  2. 2.759² =
  3. 3.739² =
  4. 4.329² =
  5. 5.629² =
  6. 6.930² =
  7. 7.242² =
  8. 8.288² =
  9. 9.788² =
  10. 10.807² =
  11. 11.9493² =
  12. 12.571² =
  13. 13.7003² =
  14. 14.8300² =
  15. 15.7455² =
  16. 16.909² =
  17. 17.232² =
  18. 18.464² =
  19. 19.1392² =
  20. 20.7651² =
  21. 21.4133² =
  22. 22.261² =
  23. 23.7986² =
  24. 24.996² =
  25. 25.679² =
  26. 26.400² =
  27. 27.184² =
  28. 28.619² =
  29. 29.610² =
  30. 30.388² =
  31. 31.1731² =
  32. 32.1609² =
  33. 33.288² =
  34. 34.303² =
  35. 35.1297² =
  36. 36.608² =
  37. 37.3621² =
  38. 38.241² =
  39. 39.720² =
  40. 40.250² =

Answer key

  1. 3441025
  2. 576081
  3. 546121
  4. 108241
  5. 395641
  6. 864900
  7. 58564
  8. 82944
  9. 620944
  10. 651249
  11. 90117049
  12. 326041
  13. 49042009
  14. 68890000
  15. 55577025
  16. 826281
  17. 53824
  18. 215296
  19. 1937664
  20. 58537801
  21. 17081689
  22. 68121
  23. 63776196
  24. 992016
  25. 461041
  26. 160000
  27. 33856
  28. 383161
  29. 372100
  30. 150544
  31. 2996361
  32. 2588881
  33. 82944
  34. 91809
  35. 1682209
  36. 369664
  37. 13111641
  38. 58081
  39. 518400
  40. 62500

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