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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 564 · 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. 1.24² =
  2. 2.35² =
  3. 3.81² =
  4. 4.79² =
  5. 5.16² =
  6. 6.54² =
  7. 7.21² =
  8. 8.38² =
  9. 9.61² =
  10. 10.62² =
  11. 11.87² =
  12. 12.58² =
  13. 13.76² =
  14. 14.61² =
  15. 15.82² =
  16. 16.18² =
  17. 17.12² =
  18. 18.11² =
  19. 19.49² =
  20. 20.75² =
  21. 21.61² =
  22. 22.21² =
  23. 23.24² =
  24. 24.72² =
  25. 25.54² =
  26. 26.22² =
  27. 27.16² =
  28. 28.92² =
  29. 29.77² =
  30. 30.41² =
  31. 31.27² =
  32. 32.81² =
  33. 33.75² =
  34. 34.94² =
  35. 35.29² =
  36. 36.73² =
  37. 37.41² =
  38. 38.59² =
  39. 39.81² =
  40. 40.97² =

Answer key

  1. 576
  2. 1225
  3. 6561
  4. 6241
  5. 256
  6. 2916
  7. 441
  8. 1444
  9. 3721
  10. 3844
  11. 7569
  12. 3364
  13. 5776
  14. 3721
  15. 6724
  16. 324
  17. 144
  18. 121
  19. 2401
  20. 5625
  21. 3721
  22. 441
  23. 576
  24. 5184
  25. 2916
  26. 484
  27. 256
  28. 8464
  29. 5929
  30. 1681
  31. 729
  32. 6561
  33. 5625
  34. 8836
  35. 841
  36. 5329
  37. 1681
  38. 3481
  39. 6561
  40. 9409

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