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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 259 · 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. 1.28² =
  2. 2.49² =
  3. 3.58² =
  4. 4.81² =
  5. 5.22² =
  6. 6.18² =
  7. 7.44² =
  8. 8.67² =
  9. 9.31² =
  10. 10.43² =
  11. 11.57² =
  12. 12.12² =
  13. 13.82² =
  14. 14.41² =
  15. 15.25² =
  16. 16.54² =
  17. 17.41² =
  18. 18.12² =
  19. 19.85² =
  20. 20.76² =
  21. 21.42² =
  22. 22.61² =
  23. 23.76² =
  24. 24.76² =
  25. 25.81² =
  26. 26.91² =
  27. 27.25² =
  28. 28.35² =
  29. 29.85² =
  30. 30.56² =
  31. 31.51² =
  32. 32.81² =
  33. 33.32² =
  34. 34.39² =
  35. 35.93² =
  36. 36.65² =
  37. 37.33² =
  38. 38.45² =
  39. 39.56² =
  40. 40.65² =

Answer key

  1. 784
  2. 2401
  3. 3364
  4. 6561
  5. 484
  6. 324
  7. 1936
  8. 4489
  9. 961
  10. 1849
  11. 3249
  12. 144
  13. 6724
  14. 1681
  15. 625
  16. 2916
  17. 1681
  18. 144
  19. 7225
  20. 5776
  21. 1764
  22. 3721
  23. 5776
  24. 5776
  25. 6561
  26. 8281
  27. 625
  28. 1225
  29. 7225
  30. 3136
  31. 2601
  32. 6561
  33. 1024
  34. 1521
  35. 8649
  36. 4225
  37. 1089
  38. 2025
  39. 3136
  40. 4225

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