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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 699 · 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. 1.74² =
  2. 2.85² =
  3. 3.32² =
  4. 4.26² =
  5. 5.49² =
  6. 6.48² =
  7. 7.23² =
  8. 8.33² =
  9. 9.31² =
  10. 10.39² =
  11. 11.61² =
  12. 12.85² =
  13. 13.32² =
  14. 14.56² =
  15. 15.15² =
  16. 16.97² =
  17. 17.72² =
  18. 18.48² =
  19. 19.34² =
  20. 20.99² =
  21. 21.41² =
  22. 22.81² =
  23. 23.77² =
  24. 24.22² =
  25. 25.53² =
  26. 26.81² =
  27. 27.71² =
  28. 28.96² =
  29. 29.17² =
  30. 30.74² =
  31. 31.93² =
  32. 32.71² =
  33. 33.42² =
  34. 34.61² =
  35. 35.26² =
  36. 36.81² =
  37. 37.73² =
  38. 38.74² =
  39. 39.87² =
  40. 40.81² =

Answer key

  1. 5476
  2. 7225
  3. 1024
  4. 676
  5. 2401
  6. 2304
  7. 529
  8. 1089
  9. 961
  10. 1521
  11. 3721
  12. 7225
  13. 1024
  14. 3136
  15. 225
  16. 9409
  17. 5184
  18. 2304
  19. 1156
  20. 9801
  21. 1681
  22. 6561
  23. 5929
  24. 484
  25. 2809
  26. 6561
  27. 5041
  28. 9216
  29. 289
  30. 5476
  31. 8649
  32. 5041
  33. 1764
  34. 3721
  35. 676
  36. 6561
  37. 5329
  38. 5476
  39. 7569
  40. 6561

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