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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 767 · 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. 1.17² =
  2. 2.38² =
  3. 3.16² =
  4. 4.65² =
  5. 5.49² =
  6. 6.34² =
  7. 7.11² =
  8. 8.72² =
  9. 9.42² =
  10. 10.35² =
  11. 11.29² =
  12. 12.37² =
  13. 13.76² =
  14. 14.64² =
  15. 15.32² =
  16. 16.22² =
  17. 17.61² =
  18. 18.39² =
  19. 19.16² =
  20. 20.31² =
  21. 21.48² =
  22. 22.89² =
  23. 23.63² =
  24. 24.39² =
  25. 25.22² =
  26. 26.44² =
  27. 27.99² =
  28. 28.21² =
  29. 29.91² =
  30. 30.59² =
  31. 31.72² =
  32. 32.32² =
  33. 33.76² =
  34. 34.77² =
  35. 35.23² =
  36. 36.51² =
  37. 37.98² =
  38. 38.86² =
  39. 39.87² =
  40. 40.88² =

Answer key

  1. 289
  2. 1444
  3. 256
  4. 4225
  5. 2401
  6. 1156
  7. 121
  8. 5184
  9. 1764
  10. 1225
  11. 841
  12. 1369
  13. 5776
  14. 4096
  15. 1024
  16. 484
  17. 3721
  18. 1521
  19. 256
  20. 961
  21. 2304
  22. 7921
  23. 3969
  24. 1521
  25. 484
  26. 1936
  27. 9801
  28. 441
  29. 8281
  30. 3481
  31. 5184
  32. 1024
  33. 5776
  34. 5929
  35. 529
  36. 2601
  37. 9604
  38. 7396
  39. 7569
  40. 7744

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