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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 243 · 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. 1.37² =
  2. 2.59² =
  3. 3.31² =
  4. 4.31² =
  5. 5.65² =
  6. 6.73² =
  7. 7.49² =
  8. 8.91² =
  9. 9.48² =
  10. 10.25² =
  11. 11.68² =
  12. 12.42² =
  13. 13.51² =
  14. 14.24² =
  15. 15.63² =
  16. 16.88² =
  17. 17.98² =
  18. 18.41² =
  19. 19.46² =
  20. 20.78² =
  21. 21.32² =
  22. 22.42² =
  23. 23.16² =
  24. 24.92² =
  25. 25.87² =
  26. 26.65² =
  27. 27.31² =
  28. 28.49² =
  29. 29.26² =
  30. 30.22² =
  31. 31.91² =
  32. 32.49² =
  33. 33.99² =
  34. 34.63² =
  35. 35.51² =
  36. 36.89² =
  37. 37.35² =
  38. 38.58² =
  39. 39.56² =
  40. 40.87² =

Answer key

  1. 1369
  2. 3481
  3. 961
  4. 961
  5. 4225
  6. 5329
  7. 2401
  8. 8281
  9. 2304
  10. 625
  11. 4624
  12. 1764
  13. 2601
  14. 576
  15. 3969
  16. 7744
  17. 9604
  18. 1681
  19. 2116
  20. 6084
  21. 1024
  22. 1764
  23. 256
  24. 8464
  25. 7569
  26. 4225
  27. 961
  28. 2401
  29. 676
  30. 484
  31. 8281
  32. 2401
  33. 9801
  34. 3969
  35. 2601
  36. 7921
  37. 1225
  38. 3364
  39. 3136
  40. 7569

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