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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 517 · 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. 1.88² =
  2. 2.12² =
  3. 3.13² =
  4. 4.72² =
  5. 5.77² =
  6. 6.86² =
  7. 7.87² =
  8. 8.23² =
  9. 9.18² =
  10. 10.94² =
  11. 11.21² =
  12. 12.88² =
  13. 13.41² =
  14. 14.58² =
  15. 15.55² =
  16. 16.35² =
  17. 17.62² =
  18. 18.32² =
  19. 19.91² =
  20. 20.15² =
  21. 21.67² =
  22. 22.71² =
  23. 23.85² =
  24. 24.36² =
  25. 25.56² =
  26. 26.44² =
  27. 27.31² =
  28. 28.45² =
  29. 29.41² =
  30. 30.87² =
  31. 31.14² =
  32. 32.56² =
  33. 33.21² =
  34. 34.88² =
  35. 35.22² =
  36. 36.34² =
  37. 37.21² =
  38. 38.43² =
  39. 39.96² =
  40. 40.45² =

Answer key

  1. 7744
  2. 144
  3. 169
  4. 5184
  5. 5929
  6. 7396
  7. 7569
  8. 529
  9. 324
  10. 8836
  11. 441
  12. 7744
  13. 1681
  14. 3364
  15. 3025
  16. 1225
  17. 3844
  18. 1024
  19. 8281
  20. 225
  21. 4489
  22. 5041
  23. 7225
  24. 1296
  25. 3136
  26. 1936
  27. 961
  28. 2025
  29. 1681
  30. 7569
  31. 196
  32. 3136
  33. 441
  34. 7744
  35. 484
  36. 1156
  37. 441
  38. 1849
  39. 9216
  40. 2025

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