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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 527 · 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. 1.79² =
  2. 2.58² =
  3. 3.55² =
  4. 4.44² =
  5. 5.76² =
  6. 6.69² =
  7. 7.86² =
  8. 8.27² =
  9. 9.27² =
  10. 10.79² =
  11. 11.21² =
  12. 12.31² =
  13. 13.31² =
  14. 14.77² =
  15. 15.61² =
  16. 16.91² =
  17. 17.43² =
  18. 18.74² =
  19. 19.71² =
  20. 20.41² =
  21. 21.92² =
  22. 22.18² =
  23. 23.43² =
  24. 24.71² =
  25. 25.56² =
  26. 26.73² =
  27. 27.81² =
  28. 28.26² =
  29. 29.49² =
  30. 30.86² =
  31. 31.94² =
  32. 32.21² =
  33. 33.89² =
  34. 34.33² =
  35. 35.69² =
  36. 36.22² =
  37. 37.39² =
  38. 38.35² =
  39. 39.52² =
  40. 40.65² =

Answer key

  1. 6241
  2. 3364
  3. 3025
  4. 1936
  5. 5776
  6. 4761
  7. 7396
  8. 729
  9. 729
  10. 6241
  11. 441
  12. 961
  13. 961
  14. 5929
  15. 3721
  16. 8281
  17. 1849
  18. 5476
  19. 5041
  20. 1681
  21. 8464
  22. 324
  23. 1849
  24. 5041
  25. 3136
  26. 5329
  27. 6561
  28. 676
  29. 2401
  30. 7396
  31. 8836
  32. 441
  33. 7921
  34. 1089
  35. 4761
  36. 484
  37. 1521
  38. 1225
  39. 2704
  40. 4225

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