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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 748 · 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. 1.11² =
  2. 2.73² =
  3. 3.51² =
  4. 4.76² =
  5. 5.21² =
  6. 6.93² =
  7. 7.62² =
  8. 8.22² =
  9. 9.44² =
  10. 10.61² =
  11. 11.79² =
  12. 12.84² =
  13. 13.49² =
  14. 14.75² =
  15. 15.61² =
  16. 16.36² =
  17. 17.18² =
  18. 18.31² =
  19. 19.31² =
  20. 20.63² =
  21. 21.54² =
  22. 22.72² =
  23. 23.51² =
  24. 24.42² =
  25. 25.61² =
  26. 26.27² =
  27. 27.95² =
  28. 28.27² =
  29. 29.26² =
  30. 30.18² =
  31. 31.41² =
  32. 32.97² =
  33. 33.29² =
  34. 34.24² =
  35. 35.18² =
  36. 36.74² =
  37. 37.54² =
  38. 38.45² =
  39. 39.69² =
  40. 40.12² =

Answer key

  1. 121
  2. 5329
  3. 2601
  4. 5776
  5. 441
  6. 8649
  7. 3844
  8. 484
  9. 1936
  10. 3721
  11. 6241
  12. 7056
  13. 2401
  14. 5625
  15. 3721
  16. 1296
  17. 324
  18. 961
  19. 961
  20. 3969
  21. 2916
  22. 5184
  23. 2601
  24. 1764
  25. 3721
  26. 729
  27. 9025
  28. 729
  29. 676
  30. 324
  31. 1681
  32. 9409
  33. 841
  34. 576
  35. 324
  36. 5476
  37. 2916
  38. 2025
  39. 4761
  40. 144

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