Perimeter
[b]4) Teacher’s Note[/b]
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[*]For each number of squares, ask students to record the possible perimeters in the table of the applet;
[*]Guide students to focus on the change of the perimeter when a square is dragged to a new position;
[*]Discuss with students the strategy of minimizing the perimeter, especially for 4 and 9 squares.
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Anthony Or. GeoGebra Institute of Hong Kong.
orchiming@gmail.com