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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 237 · 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. 1.326² =
  2. 2.2777² =
  3. 3.6072² =
  4. 4.493² =
  5. 5.215² =
  6. 6.372² =
  7. 7.538² =
  8. 8.834² =
  9. 9.904² =
  10. 10.123² =
  11. 11.299² =
  12. 12.1234² =
  13. 13.5161² =
  14. 14.134² =
  15. 15.1735² =
  16. 16.609² =
  17. 17.165² =
  18. 18.3250² =
  19. 19.670² =
  20. 20.996² =
  21. 21.126² =
  22. 22.525² =
  23. 23.556² =
  24. 24.355² =
  25. 25.504² =
  26. 26.745² =
  27. 27.2225² =
  28. 28.580² =
  29. 29.9695² =
  30. 30.323² =
  31. 31.2231² =
  32. 32.363² =
  33. 33.178² =
  34. 34.604² =
  35. 35.314² =
  36. 36.256² =
  37. 37.5680² =
  38. 38.5036² =
  39. 39.122² =
  40. 40.231² =

Answer key

  1. 106276
  2. 7711729
  3. 36869184
  4. 243049
  5. 46225
  6. 138384
  7. 289444
  8. 695556
  9. 817216
  10. 15129
  11. 89401
  12. 1522756
  13. 26635921
  14. 17956
  15. 3010225
  16. 370881
  17. 27225
  18. 10562500
  19. 448900
  20. 992016
  21. 15876
  22. 275625
  23. 309136
  24. 126025
  25. 254016
  26. 555025
  27. 4950625
  28. 336400
  29. 93993025
  30. 104329
  31. 4977361
  32. 131769
  33. 31684
  34. 364816
  35. 98596
  36. 65536
  37. 32262400
  38. 25361296
  39. 14884
  40. 53361

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