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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 361 · 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. 1.72² =
  2. 2.59² =
  3. 3.28² =
  4. 4.19² =
  5. 5.68² =
  6. 6.94² =
  7. 7.74² =
  8. 8.41² =
  9. 9.73² =
  10. 10.22² =
  11. 11.28² =
  12. 12.66² =
  13. 13.51² =
  14. 14.47² =
  15. 15.16² =
  16. 16.43² =
  17. 17.76² =
  18. 18.35² =
  19. 19.51² =
  20. 20.34² =
  21. 21.47² =
  22. 22.62² =
  23. 23.71² =
  24. 24.49² =
  25. 25.32² =
  26. 26.76² =
  27. 27.87² =
  28. 28.21² =
  29. 29.22² =
  30. 30.31² =
  31. 31.77² =
  32. 32.36² =
  33. 33.26² =
  34. 34.92² =
  35. 35.78² =
  36. 36.43² =
  37. 37.35² =
  38. 38.21² =
  39. 39.91² =
  40. 40.71² =

Answer key

  1. 5184
  2. 3481
  3. 784
  4. 361
  5. 4624
  6. 8836
  7. 5476
  8. 1681
  9. 5329
  10. 484
  11. 784
  12. 4356
  13. 2601
  14. 2209
  15. 256
  16. 1849
  17. 5776
  18. 1225
  19. 2601
  20. 1156
  21. 2209
  22. 3844
  23. 5041
  24. 2401
  25. 1024
  26. 5776
  27. 7569
  28. 441
  29. 484
  30. 961
  31. 5929
  32. 1296
  33. 676
  34. 8464
  35. 6084
  36. 1849
  37. 1225
  38. 441
  39. 8281
  40. 5041

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