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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 161 · 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. 1.73² =
  2. 2.87² =
  3. 3.57² =
  4. 4.62² =
  5. 5.42² =
  6. 6.87² =
  7. 7.21² =
  8. 8.36² =
  9. 9.61² =
  10. 10.42² =
  11. 11.24² =
  12. 12.71² =
  13. 13.87² =
  14. 14.65² =
  15. 15.53² =
  16. 16.21² =
  17. 17.36² =
  18. 18.51² =
  19. 19.23² =
  20. 20.62² =
  21. 21.46² =
  22. 22.32² =
  23. 23.58² =
  24. 24.13² =
  25. 25.17² =
  26. 26.73² =
  27. 27.89² =
  28. 28.61² =
  29. 29.57² =
  30. 30.49² =
  31. 31.36² =
  32. 32.49² =
  33. 33.47² =
  34. 34.38² =
  35. 35.36² =
  36. 36.15² =
  37. 37.41² =
  38. 38.56² =
  39. 39.24² =
  40. 40.24² =

Answer key

  1. 5329
  2. 7569
  3. 3249
  4. 3844
  5. 1764
  6. 7569
  7. 441
  8. 1296
  9. 3721
  10. 1764
  11. 576
  12. 5041
  13. 7569
  14. 4225
  15. 2809
  16. 441
  17. 1296
  18. 2601
  19. 529
  20. 3844
  21. 2116
  22. 1024
  23. 3364
  24. 169
  25. 289
  26. 5329
  27. 7921
  28. 3721
  29. 3249
  30. 2401
  31. 1296
  32. 2401
  33. 2209
  34. 1444
  35. 1296
  36. 225
  37. 1681
  38. 3136
  39. 576
  40. 576

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