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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 356 · 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. 1.45² =
  2. 2.31² =
  3. 3.73² =
  4. 4.38² =
  5. 5.53² =
  6. 6.61² =
  7. 7.53² =
  8. 8.69² =
  9. 9.91² =
  10. 10.67² =
  11. 11.79² =
  12. 12.81² =
  13. 13.21² =
  14. 14.25² =
  15. 15.86² =
  16. 16.34² =
  17. 17.85² =
  18. 18.54² =
  19. 19.56² =
  20. 20.86² =
  21. 21.71² =
  22. 22.65² =
  23. 23.86² =
  24. 24.17² =
  25. 25.55² =
  26. 26.86² =
  27. 27.14² =
  28. 28.42² =
  29. 29.72² =
  30. 30.84² =
  31. 31.47² =
  32. 32.77² =
  33. 33.83² =
  34. 34.43² =
  35. 35.36² =
  36. 36.54² =
  37. 37.28² =
  38. 38.25² =
  39. 39.38² =
  40. 40.92² =

Answer key

  1. 2025
  2. 961
  3. 5329
  4. 1444
  5. 2809
  6. 3721
  7. 2809
  8. 4761
  9. 8281
  10. 4489
  11. 6241
  12. 6561
  13. 441
  14. 625
  15. 7396
  16. 1156
  17. 7225
  18. 2916
  19. 3136
  20. 7396
  21. 5041
  22. 4225
  23. 7396
  24. 289
  25. 3025
  26. 7396
  27. 196
  28. 1764
  29. 5184
  30. 7056
  31. 2209
  32. 5929
  33. 6889
  34. 1849
  35. 1296
  36. 2916
  37. 784
  38. 625
  39. 1444
  40. 8464

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