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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 310 · 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. 1.983² =
  2. 2.9953² =
  3. 3.7429² =
  4. 4.572² =
  5. 5.689² =
  6. 6.643² =
  7. 7.1311² =
  8. 8.854² =
  9. 9.2773² =
  10. 10.1573² =
  11. 11.674² =
  12. 12.935² =
  13. 13.818² =
  14. 14.8493² =
  15. 15.344² =
  16. 16.983² =
  17. 17.8827² =
  18. 18.458² =
  19. 19.989² =
  20. 20.3830² =
  21. 21.9442² =
  22. 22.8856² =
  23. 23.206² =
  24. 24.213² =
  25. 25.423² =
  26. 26.193² =
  27. 27.9105² =
  28. 28.750² =
  29. 29.863² =
  30. 30.785² =
  31. 31.947² =
  32. 32.600² =
  33. 33.432² =
  34. 34.170² =
  35. 35.646² =
  36. 36.345² =
  37. 37.332² =
  38. 38.1650² =
  39. 39.142² =
  40. 40.417² =

Answer key

  1. 966289
  2. 99062209
  3. 55190041
  4. 327184
  5. 474721
  6. 413449
  7. 1718721
  8. 729316
  9. 7689529
  10. 2474329
  11. 454276
  12. 874225
  13. 669124
  14. 72131049
  15. 118336
  16. 966289
  17. 77915929
  18. 209764
  19. 978121
  20. 14668900
  21. 89151364
  22. 78428736
  23. 42436
  24. 45369
  25. 178929
  26. 37249
  27. 82901025
  28. 562500
  29. 744769
  30. 616225
  31. 896809
  32. 360000
  33. 186624
  34. 28900
  35. 417316
  36. 119025
  37. 110224
  38. 2722500
  39. 20164
  40. 173889

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