Transform Compose
Transform Compose practice with teacher guidance, common slips, and next-step routes.
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Print: Ages 10–11 · 2–3 min · Core · Compose Transformations · Independent practice · Visual Choice
Watch: Watch whether the learner keeps all four base lines fixed while moving every cover line. The decisive evidence is the selected seven-segment composite, especially the diagonal.
Misread: Choice 2 means the turn was skipped; Choice 1 reverses clockwise and counterclockwise; Choice 3 turns only part of the cover.
Curriculum: This task uses a clockwise quarter-turn about a fixed centre and exact superposition of line segments. It scores recognition of the unique composite after a rigid transformation.