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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 872 · 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. 1.84² =
  2. 2.96² =
  3. 3.45² =
  4. 4.54² =
  5. 5.94² =
  6. 6.37² =
  7. 7.12² =
  8. 8.43² =
  9. 9.21² =
  10. 10.41² =
  11. 11.73² =
  12. 12.51² =
  13. 13.75² =
  14. 14.75² =
  15. 15.41² =
  16. 16.35² =
  17. 17.88² =
  18. 18.91² =
  19. 19.34² =
  20. 20.29² =
  21. 21.11² =
  22. 22.79² =
  23. 23.25² =
  24. 24.91² =
  25. 25.41² =
  26. 26.68² =
  27. 27.26² =
  28. 28.86² =
  29. 29.49² =
  30. 30.42² =
  31. 31.75² =
  32. 32.44² =
  33. 33.87² =
  34. 34.99² =
  35. 35.94² =
  36. 36.65² =
  37. 37.42² =
  38. 38.74² =
  39. 39.12² =
  40. 40.97² =

Answer key

  1. 7056
  2. 9216
  3. 2025
  4. 2916
  5. 8836
  6. 1369
  7. 144
  8. 1849
  9. 441
  10. 1681
  11. 5329
  12. 2601
  13. 5625
  14. 5625
  15. 1681
  16. 1225
  17. 7744
  18. 8281
  19. 1156
  20. 841
  21. 121
  22. 6241
  23. 625
  24. 8281
  25. 1681
  26. 4624
  27. 676
  28. 7396
  29. 2401
  30. 1764
  31. 5625
  32. 1936
  33. 7569
  34. 9801
  35. 8836
  36. 4225
  37. 1764
  38. 5476
  39. 144
  40. 9409

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