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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 105 · 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. 1.22² =
  2. 2.57² =
  3. 3.61² =
  4. 4.65² =
  5. 5.73² =
  6. 6.56² =
  7. 7.65² =
  8. 8.33² =
  9. 9.41² =
  10. 10.52² =
  11. 11.47² =
  12. 12.55² =
  13. 13.35² =
  14. 14.29² =
  15. 15.99² =
  16. 16.41² =
  17. 17.16² =
  18. 18.59² =
  19. 19.52² =
  20. 20.86² =
  21. 21.83² =
  22. 22.22² =
  23. 23.25² =
  24. 24.52² =
  25. 25.93² =
  26. 26.36² =
  27. 27.57² =
  28. 28.11² =
  29. 29.74² =
  30. 30.61² =
  31. 31.23² =
  32. 32.42² =
  33. 33.13² =
  34. 34.51² =
  35. 35.78² =
  36. 36.85² =
  37. 37.29² =
  38. 38.41² =
  39. 39.85² =
  40. 40.31² =

Answer key

  1. 484
  2. 3249
  3. 3721
  4. 4225
  5. 5329
  6. 3136
  7. 4225
  8. 1089
  9. 1681
  10. 2704
  11. 2209
  12. 3025
  13. 1225
  14. 841
  15. 9801
  16. 1681
  17. 256
  18. 3481
  19. 2704
  20. 7396
  21. 6889
  22. 484
  23. 625
  24. 2704
  25. 8649
  26. 1296
  27. 3249
  28. 121
  29. 5476
  30. 3721
  31. 529
  32. 1764
  33. 169
  34. 2601
  35. 6084
  36. 7225
  37. 841
  38. 1681
  39. 7225
  40. 961

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