← 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 465 · 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. 1.444² =
  2. 2.506² =
  3. 3.106² =
  4. 4.4601² =
  5. 5.757² =
  6. 6.6069² =
  7. 7.708² =
  8. 8.802² =
  9. 9.518² =
  10. 10.331² =
  11. 11.332² =
  12. 12.435² =
  13. 13.845² =
  14. 14.114² =
  15. 15.574² =
  16. 16.582² =
  17. 17.837² =
  18. 18.572² =
  19. 19.292² =
  20. 20.703² =
  21. 21.137² =
  22. 22.734² =
  23. 23.133² =
  24. 24.893² =
  25. 25.6409² =
  26. 26.636² =
  27. 27.321² =
  28. 28.900² =
  29. 29.4486² =
  30. 30.184² =
  31. 31.947² =
  32. 32.468² =
  33. 33.1549² =
  34. 34.151² =
  35. 35.9960² =
  36. 36.958² =
  37. 37.4085² =
  38. 38.103² =
  39. 39.626² =
  40. 40.234² =

Answer key

  1. 197136
  2. 256036
  3. 11236
  4. 21169201
  5. 573049
  6. 36832761
  7. 501264
  8. 643204
  9. 268324
  10. 109561
  11. 110224
  12. 189225
  13. 714025
  14. 12996
  15. 329476
  16. 338724
  17. 700569
  18. 327184
  19. 85264
  20. 494209
  21. 18769
  22. 538756
  23. 17689
  24. 797449
  25. 41075281
  26. 404496
  27. 103041
  28. 810000
  29. 20124196
  30. 33856
  31. 896809
  32. 219024
  33. 2399401
  34. 22801
  35. 99201600
  36. 917764
  37. 16687225
  38. 10609
  39. 391876
  40. 54756

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