Surprised by Shapes
For these tasks, all you need to know is a little about area and perimeter.
Seemingly simple shapes can lead to intriguing questions and surprising results...
Triangles in a Square Age 11 to 14
Challenge Level
Challenge Level
What are the possible areas of triangles drawn in a square?
Perimeter Challenge Age 11 to 14
Challenge Level
Challenge Level
Can you deduce the perimeters of the shapes from the information given?
Quadrilaterals in a Square Age 11 to 14
Challenge Level
Challenge Level
What's special about the area of quadrilaterals drawn in a square?
Garden Shed Age 11 to 14
Challenge Level
Challenge Level
Can you minimise the amount of wood needed to build the roof of my garden shed?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.