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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 278 · 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. 1.952² =
  2. 2.768² =
  3. 3.345² =
  4. 4.1154² =
  5. 5.1021² =
  6. 6.533² =
  7. 7.324² =
  8. 8.8114² =
  9. 9.759² =
  10. 10.4950² =
  11. 11.986² =
  12. 12.868² =
  13. 13.116² =
  14. 14.352² =
  15. 15.276² =
  16. 16.137² =
  17. 17.275² =
  18. 18.358² =
  19. 19.792² =
  20. 20.735² =
  21. 21.696² =
  22. 22.9933² =
  23. 23.5958² =
  24. 24.856² =
  25. 25.5236² =
  26. 26.4980² =
  27. 27.337² =
  28. 28.483² =
  29. 29.762² =
  30. 30.4140² =
  31. 31.7994² =
  32. 32.277² =
  33. 33.545² =
  34. 34.2864² =
  35. 35.4537² =
  36. 36.556² =
  37. 37.423² =
  38. 38.940² =
  39. 39.404² =
  40. 40.348² =

Answer key

  1. 906304
  2. 589824
  3. 119025
  4. 1331716
  5. 1042441
  6. 284089
  7. 104976
  8. 65836996
  9. 576081
  10. 24502500
  11. 972196
  12. 753424
  13. 13456
  14. 123904
  15. 76176
  16. 18769
  17. 75625
  18. 128164
  19. 627264
  20. 540225
  21. 484416
  22. 98664489
  23. 35497764
  24. 732736
  25. 27415696
  26. 24800400
  27. 113569
  28. 233289
  29. 580644
  30. 17139600
  31. 63904036
  32. 76729
  33. 297025
  34. 8202496
  35. 20584369
  36. 309136
  37. 178929
  38. 883600
  39. 163216
  40. 121104

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