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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 368 · 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. 1.72² =
  2. 2.36² =
  3. 3.47² =
  4. 4.61² =
  5. 5.25² =
  6. 6.41² =
  7. 7.63² =
  8. 8.82² =
  9. 9.35² =
  10. 10.31² =
  11. 11.15² =
  12. 12.15² =
  13. 13.18² =
  14. 14.91² =
  15. 15.45² =
  16. 16.31² =
  17. 17.77² =
  18. 18.42² =
  19. 19.61² =
  20. 20.27² =
  21. 21.32² =
  22. 22.82² =
  23. 23.22² =
  24. 24.81² =
  25. 25.18² =
  26. 26.51² =
  27. 27.14² =
  28. 28.87² =
  29. 29.91² =
  30. 30.47² =
  31. 31.41² =
  32. 32.55² =
  33. 33.53² =
  34. 34.63² =
  35. 35.77² =
  36. 36.36² =
  37. 37.11² =
  38. 38.43² =
  39. 39.84² =
  40. 40.81² =

Answer key

  1. 5184
  2. 1296
  3. 2209
  4. 3721
  5. 625
  6. 1681
  7. 3969
  8. 6724
  9. 1225
  10. 961
  11. 225
  12. 225
  13. 324
  14. 8281
  15. 2025
  16. 961
  17. 5929
  18. 1764
  19. 3721
  20. 729
  21. 1024
  22. 6724
  23. 484
  24. 6561
  25. 324
  26. 2601
  27. 196
  28. 7569
  29. 8281
  30. 2209
  31. 1681
  32. 3025
  33. 2809
  34. 3969
  35. 5929
  36. 1296
  37. 121
  38. 1849
  39. 7056
  40. 6561

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