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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 16 · 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. 1.58² =
  2. 2.74² =
  3. 3.12² =
  4. 4.11² =
  5. 5.92² =
  6. 6.53² =
  7. 7.35² =
  8. 8.31² =
  9. 9.53² =
  10. 10.87² =
  11. 11.81² =
  12. 12.65² =
  13. 13.81² =
  14. 14.28² =
  15. 15.38² =
  16. 16.22² =
  17. 17.19² =
  18. 18.34² =
  19. 19.22² =
  20. 20.24² =
  21. 21.73² =
  22. 22.56² =
  23. 23.88² =
  24. 24.26² =
  25. 25.36² =
  26. 26.76² =
  27. 27.95² =
  28. 28.95² =
  29. 29.87² =
  30. 30.26² =
  31. 31.92² =
  32. 32.68² =
  33. 33.88² =
  34. 34.75² =
  35. 35.61² =
  36. 36.56² =
  37. 37.26² =
  38. 38.51² =
  39. 39.81² =
  40. 40.35² =

Answer key

  1. 3364
  2. 5476
  3. 144
  4. 121
  5. 8464
  6. 2809
  7. 1225
  8. 961
  9. 2809
  10. 7569
  11. 6561
  12. 4225
  13. 6561
  14. 784
  15. 1444
  16. 484
  17. 361
  18. 1156
  19. 484
  20. 576
  21. 5329
  22. 3136
  23. 7744
  24. 676
  25. 1296
  26. 5776
  27. 9025
  28. 9025
  29. 7569
  30. 676
  31. 8464
  32. 4624
  33. 7744
  34. 5625
  35. 3721
  36. 3136
  37. 676
  38. 2601
  39. 6561
  40. 1225

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