Claudia, 11, practiced piecing out the Fugue form today in BWV 847 (three voices). We played through the subject, tonal answer, and counter-subject 1, continuing with a transition that led to statements of the subject and counter-subject. I had her singing and playing various combinations of voices, also noting an inversion of counter-subject I. The lesson continued down through part of the second page.
The score is copied below the video: