Target/codes: independently read an unfamiliar four-tone contour and label its three successive pitch directions; AC9AMUFD01. Prepare: public S, S A4, broad SAME/UP/DOWN cards; key closed.
- Welcome · 3 min. Explain this new paper music puzzle guides the next lesson, with no sound or speed requirement.
- Access · 4 min. Present HIGH LOW LOW HIGH across numbered places 1–4, by print, raised rails or neutral read-aloud. Do not name the three joins.
- Independent plan · 5 min. Child compares place 1 to 2, 2 to 3, and 3 to 4 separately.
- Child response · 7 min. Save the first complete ordered three-card direction answer and explanation by cards, AAC, drawing, pointing or neutral scribe.
- Self-check · 4 min. Child traces all four pitch marks and three gaps without an adult placing a solution.
- Close · 2 min. Later consult the separate key; after-check swaps use unrelated sources.