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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 437 · 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. 1.13² =
  2. 2.58² =
  3. 3.85² =
  4. 4.39² =
  5. 5.78² =
  6. 6.74² =
  7. 7.56² =
  8. 8.77² =
  9. 9.18² =
  10. 10.74² =
  11. 11.64² =
  12. 12.51² =
  13. 13.35² =
  14. 14.51² =
  15. 15.92² =
  16. 16.41² =
  17. 17.89² =
  18. 18.45² =
  19. 19.74² =
  20. 20.51² =
  21. 21.41² =
  22. 22.64² =
  23. 23.77² =
  24. 24.31² =
  25. 25.32² =
  26. 26.23² =
  27. 27.12² =
  28. 28.45² =
  29. 29.32² =
  30. 30.24² =
  31. 31.29² =
  32. 32.12² =
  33. 33.83² =
  34. 34.16² =
  35. 35.56² =
  36. 36.15² =
  37. 37.41² =
  38. 38.94² =
  39. 39.65² =
  40. 40.86² =

Answer key

  1. 169
  2. 3364
  3. 7225
  4. 1521
  5. 6084
  6. 5476
  7. 3136
  8. 5929
  9. 324
  10. 5476
  11. 4096
  12. 2601
  13. 1225
  14. 2601
  15. 8464
  16. 1681
  17. 7921
  18. 2025
  19. 5476
  20. 2601
  21. 1681
  22. 4096
  23. 5929
  24. 961
  25. 1024
  26. 529
  27. 144
  28. 2025
  29. 1024
  30. 576
  31. 841
  32. 144
  33. 6889
  34. 256
  35. 3136
  36. 225
  37. 1681
  38. 8836
  39. 4225
  40. 7396

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