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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 844 · 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. 1.877² =
  2. 2.247² =
  3. 3.941² =
  4. 4.463² =
  5. 5.4141² =
  6. 6.655² =
  7. 7.573² =
  8. 8.2464² =
  9. 9.151² =
  10. 10.268² =
  11. 11.951² =
  12. 12.968² =
  13. 13.294² =
  14. 14.3649² =
  15. 15.932² =
  16. 16.208² =
  17. 17.583² =
  18. 18.544² =
  19. 19.233² =
  20. 20.179² =
  21. 21.546² =
  22. 22.991² =
  23. 23.6845² =
  24. 24.3332² =
  25. 25.476² =
  26. 26.714² =
  27. 27.218² =
  28. 28.554² =
  29. 29.545² =
  30. 30.359² =
  31. 31.4431² =
  32. 32.1478² =
  33. 33.962² =
  34. 34.273² =
  35. 35.6046² =
  36. 36.601² =
  37. 37.479² =
  38. 38.755² =
  39. 39.756² =
  40. 40.4352² =

Answer key

  1. 769129
  2. 61009
  3. 885481
  4. 214369
  5. 17147881
  6. 429025
  7. 328329
  8. 6071296
  9. 22801
  10. 71824
  11. 904401
  12. 937024
  13. 86436
  14. 13315201
  15. 868624
  16. 43264
  17. 339889
  18. 295936
  19. 54289
  20. 32041
  21. 298116
  22. 982081
  23. 46854025
  24. 11102224
  25. 226576
  26. 509796
  27. 47524
  28. 306916
  29. 297025
  30. 128881
  31. 19633761
  32. 2184484
  33. 925444
  34. 74529
  35. 36554116
  36. 361201
  37. 229441
  38. 570025
  39. 571536
  40. 18939904

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