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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 306 · 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. 1.71² =
  2. 2.83² =
  3. 3.27² =
  4. 4.55² =
  5. 5.17² =
  6. 6.21² =
  7. 7.41² =
  8. 8.26² =
  9. 9.51² =
  10. 10.12² =
  11. 11.23² =
  12. 12.73² =
  13. 13.72² =
  14. 14.34² =
  15. 15.18² =
  16. 16.41² =
  17. 17.23² =
  18. 18.94² =
  19. 19.76² =
  20. 20.96² =
  21. 21.72² =
  22. 22.71² =
  23. 23.67² =
  24. 24.17² =
  25. 25.91² =
  26. 26.65² =
  27. 27.81² =
  28. 28.61² =
  29. 29.55² =
  30. 30.66² =
  31. 31.35² =
  32. 32.31² =
  33. 33.92² =
  34. 34.99² =
  35. 35.25² =
  36. 36.93² =
  37. 37.77² =
  38. 38.27² =
  39. 39.15² =
  40. 40.94² =

Answer key

  1. 5041
  2. 6889
  3. 729
  4. 3025
  5. 289
  6. 441
  7. 1681
  8. 676
  9. 2601
  10. 144
  11. 529
  12. 5329
  13. 5184
  14. 1156
  15. 324
  16. 1681
  17. 529
  18. 8836
  19. 5776
  20. 9216
  21. 5184
  22. 5041
  23. 4489
  24. 289
  25. 8281
  26. 4225
  27. 6561
  28. 3721
  29. 3025
  30. 4356
  31. 1225
  32. 961
  33. 8464
  34. 9801
  35. 625
  36. 8649
  37. 5929
  38. 729
  39. 225
  40. 8836

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