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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 477 · 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. 1.47² =
  2. 2.92² =
  3. 3.28² =
  4. 4.44² =
  5. 5.29² =
  6. 6.34² =
  7. 7.21² =
  8. 8.61² =
  9. 9.36² =
  10. 10.93² =
  11. 11.47² =
  12. 12.44² =
  13. 13.67² =
  14. 14.37² =
  15. 15.54² =
  16. 16.93² =
  17. 17.65² =
  18. 18.63² =
  19. 19.49² =
  20. 20.31² =
  21. 21.22² =
  22. 22.85² =
  23. 23.27² =
  24. 24.21² =
  25. 25.16² =
  26. 26.99² =
  27. 27.81² =
  28. 28.81² =
  29. 29.31² =
  30. 30.49² =
  31. 31.65² =
  32. 32.77² =
  33. 33.96² =
  34. 34.83² =
  35. 35.72² =
  36. 36.28² =
  37. 37.44² =
  38. 38.97² =
  39. 39.56² =
  40. 40.12² =

Answer key

  1. 2209
  2. 8464
  3. 784
  4. 1936
  5. 841
  6. 1156
  7. 441
  8. 3721
  9. 1296
  10. 8649
  11. 2209
  12. 1936
  13. 4489
  14. 1369
  15. 2916
  16. 8649
  17. 4225
  18. 3969
  19. 2401
  20. 961
  21. 484
  22. 7225
  23. 729
  24. 441
  25. 256
  26. 9801
  27. 6561
  28. 6561
  29. 961
  30. 2401
  31. 4225
  32. 5929
  33. 9216
  34. 6889
  35. 5184
  36. 784
  37. 1936
  38. 9409
  39. 3136
  40. 144

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