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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 326 · 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. 1.65² =
  2. 2.78² =
  3. 3.73² =
  4. 4.18² =
  5. 5.22² =
  6. 6.71² =
  7. 7.76² =
  8. 8.71² =
  9. 9.91² =
  10. 10.58² =
  11. 11.62² =
  12. 12.32² =
  13. 13.45² =
  14. 14.71² =
  15. 15.97² =
  16. 16.41² =
  17. 17.35² =
  18. 18.64² =
  19. 19.79² =
  20. 20.85² =
  21. 21.43² =
  22. 22.31² =
  23. 23.44² =
  24. 24.82² =
  25. 25.61² =
  26. 26.28² =
  27. 27.83² =
  28. 28.97² =
  29. 29.61² =
  30. 30.56² =
  31. 31.89² =
  32. 32.49² =
  33. 33.44² =
  34. 34.72² =
  35. 35.39² =
  36. 36.69² =
  37. 37.26² =
  38. 38.68² =
  39. 39.67² =
  40. 40.51² =

Answer key

  1. 4225
  2. 6084
  3. 5329
  4. 324
  5. 484
  6. 5041
  7. 5776
  8. 5041
  9. 8281
  10. 3364
  11. 3844
  12. 1024
  13. 2025
  14. 5041
  15. 9409
  16. 1681
  17. 1225
  18. 4096
  19. 6241
  20. 7225
  21. 1849
  22. 961
  23. 1936
  24. 6724
  25. 3721
  26. 784
  27. 6889
  28. 9409
  29. 3721
  30. 3136
  31. 7921
  32. 2401
  33. 1936
  34. 5184
  35. 1521
  36. 4761
  37. 676
  38. 4624
  39. 4489
  40. 2601

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