Stage: 2 Challenge Level: 
What is the area of the tent?
What will you have to make sure stays the same in order to keep the area of the tent the same?
Experiment by moving different pegs (corners) at a time.
You could print off a copy of the island to try out your ideas.
Working systematically. Investigations. Mixed triangles. Perimeters. Squares. Visualising. Circles. Quadrilaterals. Rectangles. Area.
Published October 2003.
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