← Squares of 2-digit numbers lesson New set →

Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 400 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.69² =
  2. 2.79² =
  3. 3.18² =
  4. 4.23² =
  5. 5.41² =
  6. 6.92² =
  7. 7.78² =
  8. 8.37² =
  9. 9.22² =
  10. 10.13² =
  11. 11.87² =
  12. 12.24² =
  13. 13.17² =
  14. 14.75² =
  15. 15.94² =
  16. 16.27² =
  17. 17.57² =
  18. 18.11² =
  19. 19.87² =
  20. 20.96² =
  21. 21.69² =
  22. 22.81² =
  23. 23.64² =
  24. 24.67² =
  25. 25.86² =
  26. 26.51² =
  27. 27.15² =
  28. 28.91² =
  29. 29.58² =
  30. 30.21² =
  31. 31.24² =
  32. 32.73² =
  33. 33.61² =
  34. 34.25² =
  35. 35.29² =
  36. 36.31² =
  37. 37.45² =
  38. 38.67² =
  39. 39.93² =
  40. 40.51² =

Answer key

  1. 4761
  2. 6241
  3. 324
  4. 529
  5. 1681
  6. 8464
  7. 6084
  8. 1369
  9. 484
  10. 169
  11. 7569
  12. 576
  13. 289
  14. 5625
  15. 8836
  16. 729
  17. 3249
  18. 121
  19. 7569
  20. 9216
  21. 4761
  22. 6561
  23. 4096
  24. 4489
  25. 7396
  26. 2601
  27. 225
  28. 8281
  29. 3364
  30. 441
  31. 576
  32. 5329
  33. 3721
  34. 625
  35. 841
  36. 961
  37. 2025
  38. 4489
  39. 8649
  40. 2601

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