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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 735 · 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. 1.82² =
  2. 2.35² =
  3. 3.86² =
  4. 4.58² =
  5. 5.31² =
  6. 6.26² =
  7. 7.81² =
  8. 8.92² =
  9. 9.26² =
  10. 10.81² =
  11. 11.59² =
  12. 12.51² =
  13. 13.85² =
  14. 14.72² =
  15. 15.85² =
  16. 16.86² =
  17. 17.74² =
  18. 18.87² =
  19. 19.16² =
  20. 20.67² =
  21. 21.44² =
  22. 22.62² =
  23. 23.51² =
  24. 24.75² =
  25. 25.56² =
  26. 26.83² =
  27. 27.11² =
  28. 28.84² =
  29. 29.25² =
  30. 30.57² =
  31. 31.22² =
  32. 32.56² =
  33. 33.82² =
  34. 34.93² =
  35. 35.51² =
  36. 36.72² =
  37. 37.25² =
  38. 38.45² =
  39. 39.25² =
  40. 40.51² =

Answer key

  1. 6724
  2. 1225
  3. 7396
  4. 3364
  5. 961
  6. 676
  7. 6561
  8. 8464
  9. 676
  10. 6561
  11. 3481
  12. 2601
  13. 7225
  14. 5184
  15. 7225
  16. 7396
  17. 5476
  18. 7569
  19. 256
  20. 4489
  21. 1936
  22. 3844
  23. 2601
  24. 5625
  25. 3136
  26. 6889
  27. 121
  28. 7056
  29. 625
  30. 3249
  31. 484
  32. 3136
  33. 6724
  34. 8649
  35. 2601
  36. 5184
  37. 625
  38. 2025
  39. 625
  40. 2601

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