Target/codes: keep an invented triangle's three corners and frame constant, enlarge or reduce its size for a chosen visual focus; AC9AVAFD01, AC9AVAFC01. Prepare: A scale window, one broad small and one broad large triangle, A practice.
- Welcome · 3 min. Recall a shape can move from the first fortnight; now keep its identity and change only size.
- Model · 4 min. Show two same-size paper frames. Put the small triangle in one and large triangle in the other. Name three corners in each; no child must count aloud.
- Try together · 5 min. Child identifies which takes more of its frame by pointing, AAC, tactile frame/card comparison or words. Ask what stayed the same.
- Child choice · 7 min. Child makes or directs a small or large triangle in an invented library display, choosing what they want a viewer to notice. Offer both candidate layouts; accept another coherent size.
- Notice · 4 min. Record the chosen triangle, frame and child's stated intention. Do not claim an actual viewer looked there.
- Close · 2 min. Keep both frames available; tomorrow a frame can show only part of a shape.