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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 565 · 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. 1.12² =
  2. 2.24² =
  3. 3.71² =
  4. 4.94² =
  5. 5.52² =
  6. 6.56² =
  7. 7.69² =
  8. 8.87² =
  9. 9.21² =
  10. 10.18² =
  11. 11.59² =
  12. 12.31² =
  13. 13.96² =
  14. 14.65² =
  15. 15.87² =
  16. 16.11² =
  17. 17.46² =
  18. 18.25² =
  19. 19.67² =
  20. 20.42² =
  21. 21.23² =
  22. 22.37² =
  23. 23.71² =
  24. 24.45² =
  25. 25.45² =
  26. 26.46² =
  27. 27.63² =
  28. 28.69² =
  29. 29.84² =
  30. 30.21² =
  31. 31.72² =
  32. 32.21² =
  33. 33.62² =
  34. 34.22² =
  35. 35.31² =
  36. 36.85² =
  37. 37.33² =
  38. 38.41² =
  39. 39.91² =
  40. 40.51² =

Answer key

  1. 144
  2. 576
  3. 5041
  4. 8836
  5. 2704
  6. 3136
  7. 4761
  8. 7569
  9. 441
  10. 324
  11. 3481
  12. 961
  13. 9216
  14. 4225
  15. 7569
  16. 121
  17. 2116
  18. 625
  19. 4489
  20. 1764
  21. 529
  22. 1369
  23. 5041
  24. 2025
  25. 2025
  26. 2116
  27. 3969
  28. 4761
  29. 7056
  30. 441
  31. 5184
  32. 441
  33. 3844
  34. 484
  35. 961
  36. 7225
  37. 1089
  38. 1681
  39. 8281
  40. 2601

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