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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 641 · 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. 1.36² =
  2. 2.27² =
  3. 3.17² =
  4. 4.88² =
  5. 5.83² =
  6. 6.11² =
  7. 7.37² =
  8. 8.92² =
  9. 9.82² =
  10. 10.76² =
  11. 11.73² =
  12. 12.11² =
  13. 13.73² =
  14. 14.96² =
  15. 15.36² =
  16. 16.66² =
  17. 17.52² =
  18. 18.93² =
  19. 19.54² =
  20. 20.75² =
  21. 21.25² =
  22. 22.35² =
  23. 23.31² =
  24. 24.85² =
  25. 25.26² =
  26. 26.26² =
  27. 27.56² =
  28. 28.54² =
  29. 29.13² =
  30. 30.91² =
  31. 31.74² =
  32. 32.64² =
  33. 33.23² =
  34. 34.41² =
  35. 35.68² =
  36. 36.85² =
  37. 37.94² =
  38. 38.57² =
  39. 39.22² =
  40. 40.37² =

Answer key

  1. 1296
  2. 729
  3. 289
  4. 7744
  5. 6889
  6. 121
  7. 1369
  8. 8464
  9. 6724
  10. 5776
  11. 5329
  12. 121
  13. 5329
  14. 9216
  15. 1296
  16. 4356
  17. 2704
  18. 8649
  19. 2916
  20. 5625
  21. 625
  22. 1225
  23. 961
  24. 7225
  25. 676
  26. 676
  27. 3136
  28. 2916
  29. 169
  30. 8281
  31. 5476
  32. 4096
  33. 529
  34. 1681
  35. 4624
  36. 7225
  37. 8836
  38. 3249
  39. 484
  40. 1369

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