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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 958 · 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. 1.7687² =
  2. 2.4081² =
  3. 3.312² =
  4. 4.791² =
  5. 5.7463² =
  6. 6.1902² =
  7. 7.788² =
  8. 8.5458² =
  9. 9.731² =
  10. 10.635² =
  11. 11.409² =
  12. 12.454² =
  13. 13.292² =
  14. 14.555² =
  15. 15.827² =
  16. 16.9170² =
  17. 17.2030² =
  18. 18.552² =
  19. 19.317² =
  20. 20.879² =
  21. 21.427² =
  22. 22.3696² =
  23. 23.755² =
  24. 24.5965² =
  25. 25.8950² =
  26. 26.6277² =
  27. 27.450² =
  28. 28.5779² =
  29. 29.495² =
  30. 30.7685² =
  31. 31.343² =
  32. 32.299² =
  33. 33.288² =
  34. 34.787² =
  35. 35.110² =
  36. 36.1238² =
  37. 37.7104² =
  38. 38.7121² =
  39. 39.734² =
  40. 40.508² =

Answer key

  1. 59089969
  2. 16654561
  3. 97344
  4. 625681
  5. 55696369
  6. 3617604
  7. 620944
  8. 29789764
  9. 534361
  10. 403225
  11. 167281
  12. 206116
  13. 85264
  14. 308025
  15. 683929
  16. 84088900
  17. 4120900
  18. 304704
  19. 100489
  20. 772641
  21. 182329
  22. 13660416
  23. 570025
  24. 35581225
  25. 80102500
  26. 39400729
  27. 202500
  28. 33396841
  29. 245025
  30. 59059225
  31. 117649
  32. 89401
  33. 82944
  34. 619369
  35. 12100
  36. 1532644
  37. 50466816
  38. 50708641
  39. 538756
  40. 258064

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