← Squares of 3- and 4-digit numbers lesson New set →

Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 410 · 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. 1.228² =
  2. 2.258² =
  3. 3.489² =
  4. 4.553² =
  5. 5.689² =
  6. 6.328² =
  7. 7.164² =
  8. 8.3238² =
  9. 9.449² =
  10. 10.688² =
  11. 11.434² =
  12. 12.323² =
  13. 13.511² =
  14. 14.153² =
  15. 15.5938² =
  16. 16.552² =
  17. 17.745² =
  18. 18.941² =
  19. 19.112² =
  20. 20.246² =
  21. 21.689² =
  22. 22.893² =
  23. 23.2117² =
  24. 24.561² =
  25. 25.592² =
  26. 26.5420² =
  27. 27.8571² =
  28. 28.422² =
  29. 29.2691² =
  30. 30.974² =
  31. 31.7960² =
  32. 32.433² =
  33. 33.401² =
  34. 34.538² =
  35. 35.563² =
  36. 36.469² =
  37. 37.463² =
  38. 38.273² =
  39. 39.654² =
  40. 40.6755² =

Answer key

  1. 51984
  2. 66564
  3. 239121
  4. 305809
  5. 474721
  6. 107584
  7. 26896
  8. 10484644
  9. 201601
  10. 473344
  11. 188356
  12. 104329
  13. 261121
  14. 23409
  15. 35259844
  16. 304704
  17. 555025
  18. 885481
  19. 12544
  20. 60516
  21. 474721
  22. 797449
  23. 4481689
  24. 314721
  25. 350464
  26. 29376400
  27. 73462041
  28. 178084
  29. 7241481
  30. 948676
  31. 63361600
  32. 187489
  33. 160801
  34. 289444
  35. 316969
  36. 219961
  37. 214369
  38. 74529
  39. 427716
  40. 45630025

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths