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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 327 · 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. 1.41² =
  2. 2.99² =
  3. 3.11² =
  4. 4.86² =
  5. 5.44² =
  6. 6.21² =
  7. 7.15² =
  8. 8.76² =
  9. 9.61² =
  10. 10.79² =
  11. 11.13² =
  12. 12.97² =
  13. 13.22² =
  14. 14.91² =
  15. 15.54² =
  16. 16.31² =
  17. 17.84² =
  18. 18.27² =
  19. 19.33² =
  20. 20.58² =
  21. 21.62² =
  22. 22.64² =
  23. 23.93² =
  24. 24.73² =
  25. 25.35² =
  26. 26.97² =
  27. 27.29² =
  28. 28.99² =
  29. 29.71² =
  30. 30.91² =
  31. 31.94² =
  32. 32.87² =
  33. 33.99² =
  34. 34.82² =
  35. 35.53² =
  36. 36.22² =
  37. 37.92² =
  38. 38.41² =
  39. 39.79² =
  40. 40.22² =

Answer key

  1. 1681
  2. 9801
  3. 121
  4. 7396
  5. 1936
  6. 441
  7. 225
  8. 5776
  9. 3721
  10. 6241
  11. 169
  12. 9409
  13. 484
  14. 8281
  15. 2916
  16. 961
  17. 7056
  18. 729
  19. 1089
  20. 3364
  21. 3844
  22. 4096
  23. 8649
  24. 5329
  25. 1225
  26. 9409
  27. 841
  28. 9801
  29. 5041
  30. 8281
  31. 8836
  32. 7569
  33. 9801
  34. 6724
  35. 2809
  36. 484
  37. 8464
  38. 1681
  39. 6241
  40. 484

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