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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 515 · 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. 1.29² =
  2. 2.31² =
  3. 3.18² =
  4. 4.61² =
  5. 5.76² =
  6. 6.21² =
  7. 7.25² =
  8. 8.82² =
  9. 9.81² =
  10. 10.88² =
  11. 11.68² =
  12. 12.72² =
  13. 13.61² =
  14. 14.76² =
  15. 15.61² =
  16. 16.23² =
  17. 17.39² =
  18. 18.34² =
  19. 19.43² =
  20. 20.51² =
  21. 21.58² =
  22. 22.17² =
  23. 23.86² =
  24. 24.42² =
  25. 25.62² =
  26. 26.45² =
  27. 27.75² =
  28. 28.97² =
  29. 29.66² =
  30. 30.12² =
  31. 31.88² =
  32. 32.14² =
  33. 33.55² =
  34. 34.61² =
  35. 35.22² =
  36. 36.21² =
  37. 37.63² =
  38. 38.31² =
  39. 39.73² =
  40. 40.83² =

Answer key

  1. 841
  2. 961
  3. 324
  4. 3721
  5. 5776
  6. 441
  7. 625
  8. 6724
  9. 6561
  10. 7744
  11. 4624
  12. 5184
  13. 3721
  14. 5776
  15. 3721
  16. 529
  17. 1521
  18. 1156
  19. 1849
  20. 2601
  21. 3364
  22. 289
  23. 7396
  24. 1764
  25. 3844
  26. 2025
  27. 5625
  28. 9409
  29. 4356
  30. 144
  31. 7744
  32. 196
  33. 3025
  34. 3721
  35. 484
  36. 441
  37. 3969
  38. 961
  39. 5329
  40. 6889

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