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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 753 · 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. 1.77² =
  2. 2.61² =
  3. 3.41² =
  4. 4.96² =
  5. 5.94² =
  6. 6.65² =
  7. 7.33² =
  8. 8.45² =
  9. 9.68² =
  10. 10.21² =
  11. 11.61² =
  12. 12.56² =
  13. 13.67² =
  14. 14.41² =
  15. 15.24² =
  16. 16.24² =
  17. 17.19² =
  18. 18.86² =
  19. 19.35² =
  20. 20.91² =
  21. 21.36² =
  22. 22.24² =
  23. 23.61² =
  24. 24.63² =
  25. 25.49² =
  26. 26.87² =
  27. 27.59² =
  28. 28.41² =
  29. 29.64² =
  30. 30.62² =
  31. 31.35² =
  32. 32.32² =
  33. 33.35² =
  34. 34.91² =
  35. 35.68² =
  36. 36.98² =
  37. 37.56² =
  38. 38.99² =
  39. 39.32² =
  40. 40.49² =

Answer key

  1. 5929
  2. 3721
  3. 1681
  4. 9216
  5. 8836
  6. 4225
  7. 1089
  8. 2025
  9. 4624
  10. 441
  11. 3721
  12. 3136
  13. 4489
  14. 1681
  15. 576
  16. 576
  17. 361
  18. 7396
  19. 1225
  20. 8281
  21. 1296
  22. 576
  23. 3721
  24. 3969
  25. 2401
  26. 7569
  27. 3481
  28. 1681
  29. 4096
  30. 3844
  31. 1225
  32. 1024
  33. 1225
  34. 8281
  35. 4624
  36. 9604
  37. 3136
  38. 9801
  39. 1024
  40. 2401

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