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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 474 · 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. 1.73² =
  2. 2.67² =
  3. 3.93² =
  4. 4.91² =
  5. 5.13² =
  6. 6.32² =
  7. 7.79² =
  8. 8.41² =
  9. 9.46² =
  10. 10.47² =
  11. 11.61² =
  12. 12.86² =
  13. 13.64² =
  14. 14.87² =
  15. 15.75² =
  16. 16.25² =
  17. 17.29² =
  18. 18.37² =
  19. 19.29² =
  20. 20.61² =
  21. 21.43² =
  22. 22.53² =
  23. 23.84² =
  24. 24.94² =
  25. 25.23² =
  26. 26.49² =
  27. 27.29² =
  28. 28.22² =
  29. 29.94² =
  30. 30.76² =
  31. 31.57² =
  32. 32.58² =
  33. 33.84² =
  34. 34.31² =
  35. 35.83² =
  36. 36.91² =
  37. 37.59² =
  38. 38.92² =
  39. 39.57² =
  40. 40.36² =

Answer key

  1. 5329
  2. 4489
  3. 8649
  4. 8281
  5. 169
  6. 1024
  7. 6241
  8. 1681
  9. 2116
  10. 2209
  11. 3721
  12. 7396
  13. 4096
  14. 7569
  15. 5625
  16. 625
  17. 841
  18. 1369
  19. 841
  20. 3721
  21. 1849
  22. 2809
  23. 7056
  24. 8836
  25. 529
  26. 2401
  27. 841
  28. 484
  29. 8836
  30. 5776
  31. 3249
  32. 3364
  33. 7056
  34. 961
  35. 6889
  36. 8281
  37. 3481
  38. 8464
  39. 3249
  40. 1296

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