← 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 111 · 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. 1.546² =
  2. 2.593² =
  3. 3.4182² =
  4. 4.8713² =
  5. 5.795² =
  6. 6.699² =
  7. 7.479² =
  8. 8.7224² =
  9. 9.917² =
  10. 10.219² =
  11. 11.7990² =
  12. 12.3334² =
  13. 13.1127² =
  14. 14.803² =
  15. 15.539² =
  16. 16.3033² =
  17. 17.151² =
  18. 18.752² =
  19. 19.1667² =
  20. 20.4078² =
  21. 21.2768² =
  22. 22.500² =
  23. 23.758² =
  24. 24.175² =
  25. 25.8674² =
  26. 26.384² =
  27. 27.662² =
  28. 28.832² =
  29. 29.593² =
  30. 30.693² =
  31. 31.213² =
  32. 32.395² =
  33. 33.287² =
  34. 34.293² =
  35. 35.314² =
  36. 36.428² =
  37. 37.8827² =
  38. 38.2927² =
  39. 39.824² =
  40. 40.171² =

Answer key

  1. 298116
  2. 351649
  3. 17489124
  4. 75916369
  5. 632025
  6. 488601
  7. 229441
  8. 52186176
  9. 840889
  10. 47961
  11. 63840100
  12. 11115556
  13. 1270129
  14. 644809
  15. 290521
  16. 9199089
  17. 22801
  18. 565504
  19. 2778889
  20. 16630084
  21. 7661824
  22. 250000
  23. 574564
  24. 30625
  25. 75238276
  26. 147456
  27. 438244
  28. 692224
  29. 351649
  30. 480249
  31. 45369
  32. 156025
  33. 82369
  34. 85849
  35. 98596
  36. 183184
  37. 77915929
  38. 8567329
  39. 678976
  40. 29241

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