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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 547 · 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. 1.18² =
  2. 2.41² =
  3. 3.84² =
  4. 4.52² =
  5. 5.31² =
  6. 6.38² =
  7. 7.85² =
  8. 8.82² =
  9. 9.96² =
  10. 10.87² =
  11. 11.84² =
  12. 12.72² =
  13. 13.64² =
  14. 14.15² =
  15. 15.38² =
  16. 16.61² =
  17. 17.28² =
  18. 18.66² =
  19. 19.61² =
  20. 20.11² =
  21. 21.83² =
  22. 22.11² =
  23. 23.55² =
  24. 24.39² =
  25. 25.51² =
  26. 26.16² =
  27. 27.68² =
  28. 28.88² =
  29. 29.75² =
  30. 30.91² =
  31. 31.92² =
  32. 32.73² =
  33. 33.56² =
  34. 34.64² =
  35. 35.11² =
  36. 36.43² =
  37. 37.64² =
  38. 38.83² =
  39. 39.93² =
  40. 40.91² =

Answer key

  1. 324
  2. 1681
  3. 7056
  4. 2704
  5. 961
  6. 1444
  7. 7225
  8. 6724
  9. 9216
  10. 7569
  11. 7056
  12. 5184
  13. 4096
  14. 225
  15. 1444
  16. 3721
  17. 784
  18. 4356
  19. 3721
  20. 121
  21. 6889
  22. 121
  23. 3025
  24. 1521
  25. 2601
  26. 256
  27. 4624
  28. 7744
  29. 5625
  30. 8281
  31. 8464
  32. 5329
  33. 3136
  34. 4096
  35. 121
  36. 1849
  37. 4096
  38. 6889
  39. 8649
  40. 8281

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