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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 419 · 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. 1.16² =
  2. 2.23² =
  3. 3.23² =
  4. 4.28² =
  5. 5.39² =
  6. 6.39² =
  7. 7.31² =
  8. 8.26² =
  9. 9.45² =
  10. 10.52² =
  11. 11.76² =
  12. 12.31² =
  13. 13.35² =
  14. 14.27² =
  15. 15.58² =
  16. 16.37² =
  17. 17.56² =
  18. 18.37² =
  19. 19.32² =
  20. 20.34² =
  21. 21.97² =
  22. 22.41² =
  23. 23.62² =
  24. 24.43² =
  25. 25.29² =
  26. 26.59² =
  27. 27.12² =
  28. 28.84² =
  29. 29.18² =
  30. 30.27² =
  31. 31.17² =
  32. 32.77² =
  33. 33.87² =
  34. 34.41² =
  35. 35.81² =
  36. 36.12² =
  37. 37.61² =
  38. 38.29² =
  39. 39.36² =
  40. 40.36² =

Answer key

  1. 256
  2. 529
  3. 529
  4. 784
  5. 1521
  6. 1521
  7. 961
  8. 676
  9. 2025
  10. 2704
  11. 5776
  12. 961
  13. 1225
  14. 729
  15. 3364
  16. 1369
  17. 3136
  18. 1369
  19. 1024
  20. 1156
  21. 9409
  22. 1681
  23. 3844
  24. 1849
  25. 841
  26. 3481
  27. 144
  28. 7056
  29. 324
  30. 729
  31. 289
  32. 5929
  33. 7569
  34. 1681
  35. 6561
  36. 144
  37. 3721
  38. 841
  39. 1296
  40. 1296

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