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* Abel clip 4.m4v (teacher introduces task, followed by some small groupwork –group is confused about area vs.perimeter so Abel asks older boys to help) | * Abel clip 4.m4v (teacher introduces task, followed by some small groupwork –group is confused about area vs.perimeter so Abel asks older boys to help) | ||
* 12 13 Abel 2 4 rectangles (group working on GeoGebra on their own; teacher interacts at end) | * 12 13 Abel 2 4 rectangles (group working on GeoGebra on their own; teacher interacts at end) | ||
* Abel_student_presentation. Groups come up to the board to explain what they found and what they learned; this brief clip shows 2 girls presenting | * Abel_student_presentation. Groups come up to the board to explain what they found and what they learned; this brief clip shows 2 girls presenting | ||
}} | }} | ||