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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 619 · 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. 1.71² =
  2. 2.12² =
  3. 3.11² =
  4. 4.44² =
  5. 5.73² =
  6. 6.73² =
  7. 7.58² =
  8. 8.65² =
  9. 9.11² =
  10. 10.61² =
  11. 11.81² =
  12. 12.94² =
  13. 13.84² =
  14. 14.96² =
  15. 15.64² =
  16. 16.87² =
  17. 17.86² =
  18. 18.46² =
  19. 19.96² =
  20. 20.41² =
  21. 21.71² =
  22. 22.62² =
  23. 23.81² =
  24. 24.61² =
  25. 25.44² =
  26. 26.24² =
  27. 27.91² =
  28. 28.81² =
  29. 29.31² =
  30. 30.19² =
  31. 31.63² =
  32. 32.28² =
  33. 33.35² =
  34. 34.15² =
  35. 35.61² =
  36. 36.19² =
  37. 37.59² =
  38. 38.45² =
  39. 39.68² =
  40. 40.61² =

Answer key

  1. 5041
  2. 144
  3. 121
  4. 1936
  5. 5329
  6. 5329
  7. 3364
  8. 4225
  9. 121
  10. 3721
  11. 6561
  12. 8836
  13. 7056
  14. 9216
  15. 4096
  16. 7569
  17. 7396
  18. 2116
  19. 9216
  20. 1681
  21. 5041
  22. 3844
  23. 6561
  24. 3721
  25. 1936
  26. 576
  27. 8281
  28. 6561
  29. 961
  30. 361
  31. 3969
  32. 784
  33. 1225
  34. 225
  35. 3721
  36. 361
  37. 3481
  38. 2025
  39. 4624
  40. 3721

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