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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 139 · 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. 1.76² =
  2. 2.32² =
  3. 3.42² =
  4. 4.21² =
  5. 5.48² =
  6. 6.88² =
  7. 7.41² =
  8. 8.41² =
  9. 9.45² =
  10. 10.19² =
  11. 11.57² =
  12. 12.38² =
  13. 13.28² =
  14. 14.57² =
  15. 15.48² =
  16. 16.34² =
  17. 17.85² =
  18. 18.46² =
  19. 19.75² =
  20. 20.35² =
  21. 21.83² =
  22. 22.59² =
  23. 23.21² =
  24. 24.75² =
  25. 25.25² =
  26. 26.54² =
  27. 27.93² =
  28. 28.21² =
  29. 29.47² =
  30. 30.65² =
  31. 31.62² =
  32. 32.45² =
  33. 33.11² =
  34. 34.38² =
  35. 35.82² =
  36. 36.86² =
  37. 37.28² =
  38. 38.56² =
  39. 39.61² =
  40. 40.15² =

Answer key

  1. 5776
  2. 1024
  3. 1764
  4. 441
  5. 2304
  6. 7744
  7. 1681
  8. 1681
  9. 2025
  10. 361
  11. 3249
  12. 1444
  13. 784
  14. 3249
  15. 2304
  16. 1156
  17. 7225
  18. 2116
  19. 5625
  20. 1225
  21. 6889
  22. 3481
  23. 441
  24. 5625
  25. 625
  26. 2916
  27. 8649
  28. 441
  29. 2209
  30. 4225
  31. 3844
  32. 2025
  33. 121
  34. 1444
  35. 6724
  36. 7396
  37. 784
  38. 3136
  39. 3721
  40. 225

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