← 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 1 · 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. 1.865² =
  2. 2.701² =
  3. 3.915² =
  4. 4.667² =
  5. 5.690² =
  6. 6.338² =
  7. 7.254² =
  8. 8.7348² =
  9. 9.961² =
  10. 10.308² =
  11. 11.6727² =
  12. 12.121² =
  13. 13.602² =
  14. 14.137² =
  15. 15.727² =
  16. 16.201² =
  17. 17.531² =
  18. 18.142² =
  19. 19.818² =
  20. 20.772² =
  21. 21.606² =
  22. 22.9502² =
  23. 23.516² =
  24. 24.346² =
  25. 25.747² =
  26. 26.192² =
  27. 27.713² =
  28. 28.413² =
  29. 29.282² =
  30. 30.186² =
  31. 31.710² =
  32. 32.850² =
  33. 33.208² =
  34. 34.8453² =
  35. 35.2713² =
  36. 36.362² =
  37. 37.977² =
  38. 38.885² =
  39. 39.505² =
  40. 40.167² =

Answer key

  1. 748225
  2. 491401
  3. 837225
  4. 444889
  5. 476100
  6. 114244
  7. 64516
  8. 53993104
  9. 923521
  10. 94864
  11. 45252529
  12. 14641
  13. 362404
  14. 18769
  15. 528529
  16. 40401
  17. 281961
  18. 20164
  19. 669124
  20. 595984
  21. 367236
  22. 90288004
  23. 266256
  24. 119716
  25. 558009
  26. 36864
  27. 508369
  28. 170569
  29. 79524
  30. 34596
  31. 504100
  32. 722500
  33. 43264
  34. 71453209
  35. 7360369
  36. 131044
  37. 954529
  38. 783225
  39. 255025
  40. 27889

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