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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 245 · 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. 1.31² =
  2. 2.61² =
  3. 3.52² =
  4. 4.17² =
  5. 5.87² =
  6. 6.65² =
  7. 7.95² =
  8. 8.23² =
  9. 9.27² =
  10. 10.91² =
  11. 11.76² =
  12. 12.54² =
  13. 13.58² =
  14. 14.25² =
  15. 15.82² =
  16. 16.87² =
  17. 17.21² =
  18. 18.41² =
  19. 19.49² =
  20. 20.87² =
  21. 21.98² =
  22. 22.91² =
  23. 23.51² =
  24. 24.41² =
  25. 25.22² =
  26. 26.18² =
  27. 27.56² =
  28. 28.91² =
  29. 29.44² =
  30. 30.51² =
  31. 31.31² =
  32. 32.67² =
  33. 33.21² =
  34. 34.98² =
  35. 35.54² =
  36. 36.15² =
  37. 37.79² =
  38. 38.22² =
  39. 39.87² =
  40. 40.81² =

Answer key

  1. 961
  2. 3721
  3. 2704
  4. 289
  5. 7569
  6. 4225
  7. 9025
  8. 529
  9. 729
  10. 8281
  11. 5776
  12. 2916
  13. 3364
  14. 625
  15. 6724
  16. 7569
  17. 441
  18. 1681
  19. 2401
  20. 7569
  21. 9604
  22. 8281
  23. 2601
  24. 1681
  25. 484
  26. 324
  27. 3136
  28. 8281
  29. 1936
  30. 2601
  31. 961
  32. 4489
  33. 441
  34. 9604
  35. 2916
  36. 225
  37. 6241
  38. 484
  39. 7569
  40. 6561

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