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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 256 · 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. 1.91² =
  2. 2.61² =
  3. 3.61² =
  4. 4.77² =
  5. 5.32² =
  6. 6.61² =
  7. 7.27² =
  8. 8.45² =
  9. 9.37² =
  10. 10.44² =
  11. 11.12² =
  12. 12.12² =
  13. 13.86² =
  14. 14.34² =
  15. 15.93² =
  16. 16.41² =
  17. 17.31² =
  18. 18.36² =
  19. 19.61² =
  20. 20.99² =
  21. 21.54² =
  22. 22.79² =
  23. 23.85² =
  24. 24.44² =
  25. 25.35² =
  26. 26.99² =
  27. 27.58² =
  28. 28.59² =
  29. 29.91² =
  30. 30.87² =
  31. 31.25² =
  32. 32.15² =
  33. 33.62² =
  34. 34.81² =
  35. 35.23² =
  36. 36.51² =
  37. 37.71² =
  38. 38.71² =
  39. 39.51² =
  40. 40.66² =

Answer key

  1. 8281
  2. 3721
  3. 3721
  4. 5929
  5. 1024
  6. 3721
  7. 729
  8. 2025
  9. 1369
  10. 1936
  11. 144
  12. 144
  13. 7396
  14. 1156
  15. 8649
  16. 1681
  17. 961
  18. 1296
  19. 3721
  20. 9801
  21. 2916
  22. 6241
  23. 7225
  24. 1936
  25. 1225
  26. 9801
  27. 3364
  28. 3481
  29. 8281
  30. 7569
  31. 625
  32. 225
  33. 3844
  34. 6561
  35. 529
  36. 2601
  37. 5041
  38. 5041
  39. 2601
  40. 4356

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