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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 508 · 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. 1.65² =
  2. 2.85² =
  3. 3.54² =
  4. 4.22² =
  5. 5.17² =
  6. 6.14² =
  7. 7.25² =
  8. 8.36² =
  9. 9.88² =
  10. 10.23² =
  11. 11.99² =
  12. 12.39² =
  13. 13.77² =
  14. 14.55² =
  15. 15.21² =
  16. 16.31² =
  17. 17.84² =
  18. 18.91² =
  19. 19.74² =
  20. 20.96² =
  21. 21.19² =
  22. 22.87² =
  23. 23.86² =
  24. 24.54² =
  25. 25.58² =
  26. 26.21² =
  27. 27.44² =
  28. 28.26² =
  29. 29.23² =
  30. 30.11² =
  31. 31.28² =
  32. 32.25² =
  33. 33.56² =
  34. 34.27² =
  35. 35.48² =
  36. 36.64² =
  37. 37.93² =
  38. 38.48² =
  39. 39.55² =
  40. 40.14² =

Answer key

  1. 4225
  2. 7225
  3. 2916
  4. 484
  5. 289
  6. 196
  7. 625
  8. 1296
  9. 7744
  10. 529
  11. 9801
  12. 1521
  13. 5929
  14. 3025
  15. 441
  16. 961
  17. 7056
  18. 8281
  19. 5476
  20. 9216
  21. 361
  22. 7569
  23. 7396
  24. 2916
  25. 3364
  26. 441
  27. 1936
  28. 676
  29. 529
  30. 121
  31. 784
  32. 625
  33. 3136
  34. 729
  35. 2304
  36. 4096
  37. 8649
  38. 2304
  39. 3025
  40. 196

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