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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 681 · 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. 1.59² =
  2. 2.31² =
  3. 3.26² =
  4. 4.14² =
  5. 5.23² =
  6. 6.89² =
  7. 7.55² =
  8. 8.29² =
  9. 9.65² =
  10. 10.23² =
  11. 11.73² =
  12. 12.73² =
  13. 13.91² =
  14. 14.93² =
  15. 15.21² =
  16. 16.16² =
  17. 17.78² =
  18. 18.61² =
  19. 19.92² =
  20. 20.43² =
  21. 21.64² =
  22. 22.63² =
  23. 23.15² =
  24. 24.36² =
  25. 25.62² =
  26. 26.21² =
  27. 27.39² =
  28. 28.64² =
  29. 29.61² =
  30. 30.34² =
  31. 31.51² =
  32. 32.77² =
  33. 33.99² =
  34. 34.67² =
  35. 35.99² =
  36. 36.94² =
  37. 37.14² =
  38. 38.21² =
  39. 39.49² =
  40. 40.29² =

Answer key

  1. 3481
  2. 961
  3. 676
  4. 196
  5. 529
  6. 7921
  7. 3025
  8. 841
  9. 4225
  10. 529
  11. 5329
  12. 5329
  13. 8281
  14. 8649
  15. 441
  16. 256
  17. 6084
  18. 3721
  19. 8464
  20. 1849
  21. 4096
  22. 3969
  23. 225
  24. 1296
  25. 3844
  26. 441
  27. 1521
  28. 4096
  29. 3721
  30. 1156
  31. 2601
  32. 5929
  33. 9801
  34. 4489
  35. 9801
  36. 8836
  37. 196
  38. 441
  39. 2401
  40. 841

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