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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 129 · 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. 1.48² =
  2. 2.68² =
  3. 3.29² =
  4. 4.51² =
  5. 5.43² =
  6. 6.35² =
  7. 7.58² =
  8. 8.27² =
  9. 9.21² =
  10. 10.76² =
  11. 11.63² =
  12. 12.63² =
  13. 13.51² =
  14. 14.51² =
  15. 15.31² =
  16. 16.31² =
  17. 17.18² =
  18. 18.38² =
  19. 19.59² =
  20. 20.77² =
  21. 21.19² =
  22. 22.88² =
  23. 23.91² =
  24. 24.97² =
  25. 25.65² =
  26. 26.82² =
  27. 27.96² =
  28. 28.32² =
  29. 29.45² =
  30. 30.97² =
  31. 31.91² =
  32. 32.19² =
  33. 33.81² =
  34. 34.51² =
  35. 35.85² =
  36. 36.51² =
  37. 37.31² =
  38. 38.42² =
  39. 39.55² =
  40. 40.68² =

Answer key

  1. 2304
  2. 4624
  3. 841
  4. 2601
  5. 1849
  6. 1225
  7. 3364
  8. 729
  9. 441
  10. 5776
  11. 3969
  12. 3969
  13. 2601
  14. 2601
  15. 961
  16. 961
  17. 324
  18. 1444
  19. 3481
  20. 5929
  21. 361
  22. 7744
  23. 8281
  24. 9409
  25. 4225
  26. 6724
  27. 9216
  28. 1024
  29. 2025
  30. 9409
  31. 8281
  32. 361
  33. 6561
  34. 2601
  35. 7225
  36. 2601
  37. 961
  38. 1764
  39. 3025
  40. 4624

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