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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 110 · 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. 1.12² =
  2. 2.25² =
  3. 3.31² =
  4. 4.85² =
  5. 5.33² =
  6. 6.11² =
  7. 7.23² =
  8. 8.25² =
  9. 9.66² =
  10. 10.39² =
  11. 11.87² =
  12. 12.44² =
  13. 13.31² =
  14. 14.24² =
  15. 15.24² =
  16. 16.96² =
  17. 17.92² =
  18. 18.11² =
  19. 19.53² =
  20. 20.68² =
  21. 21.91² =
  22. 22.73² =
  23. 23.81² =
  24. 24.36² =
  25. 25.92² =
  26. 26.16² =
  27. 27.68² =
  28. 28.66² =
  29. 29.39² =
  30. 30.34² =
  31. 31.58² =
  32. 32.54² =
  33. 33.26² =
  34. 34.54² =
  35. 35.99² =
  36. 36.19² =
  37. 37.92² =
  38. 38.31² =
  39. 39.84² =
  40. 40.87² =

Answer key

  1. 144
  2. 625
  3. 961
  4. 7225
  5. 1089
  6. 121
  7. 529
  8. 625
  9. 4356
  10. 1521
  11. 7569
  12. 1936
  13. 961
  14. 576
  15. 576
  16. 9216
  17. 8464
  18. 121
  19. 2809
  20. 4624
  21. 8281
  22. 5329
  23. 6561
  24. 1296
  25. 8464
  26. 256
  27. 4624
  28. 4356
  29. 1521
  30. 1156
  31. 3364
  32. 2916
  33. 676
  34. 2916
  35. 9801
  36. 361
  37. 8464
  38. 961
  39. 7056
  40. 7569

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