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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 423 · 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. 1.62² =
  2. 2.16² =
  3. 3.15² =
  4. 4.97² =
  5. 5.28² =
  6. 6.91² =
  7. 7.31² =
  8. 8.87² =
  9. 9.56² =
  10. 10.56² =
  11. 11.13² =
  12. 12.43² =
  13. 13.97² =
  14. 14.22² =
  15. 15.97² =
  16. 16.84² =
  17. 17.36² =
  18. 18.36² =
  19. 19.44² =
  20. 20.97² =
  21. 21.93² =
  22. 22.23² =
  23. 23.88² =
  24. 24.49² =
  25. 25.64² =
  26. 26.64² =
  27. 27.87² =
  28. 28.44² =
  29. 29.12² =
  30. 30.32² =
  31. 31.42² =
  32. 32.61² =
  33. 33.24² =
  34. 34.38² =
  35. 35.18² =
  36. 36.58² =
  37. 37.25² =
  38. 38.62² =
  39. 39.44² =
  40. 40.61² =

Answer key

  1. 3844
  2. 256
  3. 225
  4. 9409
  5. 784
  6. 8281
  7. 961
  8. 7569
  9. 3136
  10. 3136
  11. 169
  12. 1849
  13. 9409
  14. 484
  15. 9409
  16. 7056
  17. 1296
  18. 1296
  19. 1936
  20. 9409
  21. 8649
  22. 529
  23. 7744
  24. 2401
  25. 4096
  26. 4096
  27. 7569
  28. 1936
  29. 144
  30. 1024
  31. 1764
  32. 3721
  33. 576
  34. 1444
  35. 324
  36. 3364
  37. 625
  38. 3844
  39. 1936
  40. 3721

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