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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 303 · 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. 1.55² =
  2. 2.33² =
  3. 3.61² =
  4. 4.26² =
  5. 5.78² =
  6. 6.61² =
  7. 7.11² =
  8. 8.39² =
  9. 9.77² =
  10. 10.61² =
  11. 11.87² =
  12. 12.56² =
  13. 13.46² =
  14. 14.78² =
  15. 15.63² =
  16. 16.84² =
  17. 17.35² =
  18. 18.11² =
  19. 19.14² =
  20. 20.21² =
  21. 21.11² =
  22. 22.94² =
  23. 23.41² =
  24. 24.88² =
  25. 25.21² =
  26. 26.31² =
  27. 27.23² =
  28. 28.21² =
  29. 29.28² =
  30. 30.81² =
  31. 31.41² =
  32. 32.41² =
  33. 33.31² =
  34. 34.22² =
  35. 35.23² =
  36. 36.85² =
  37. 37.32² =
  38. 38.21² =
  39. 39.89² =
  40. 40.56² =

Answer key

  1. 3025
  2. 1089
  3. 3721
  4. 676
  5. 6084
  6. 3721
  7. 121
  8. 1521
  9. 5929
  10. 3721
  11. 7569
  12. 3136
  13. 2116
  14. 6084
  15. 3969
  16. 7056
  17. 1225
  18. 121
  19. 196
  20. 441
  21. 121
  22. 8836
  23. 1681
  24. 7744
  25. 441
  26. 961
  27. 529
  28. 441
  29. 784
  30. 6561
  31. 1681
  32. 1681
  33. 961
  34. 484
  35. 529
  36. 7225
  37. 1024
  38. 441
  39. 7921
  40. 3136

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