article
Interacting with the geometry of the circle
Jennifer Piggott and Charlie Gilderdale describe a free interactive
circular geoboard environment that can lead learners to pose
mathematical questions.
Triangles
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articleLiethagoras' theorem
Liethagoras, Pythagoras' cousin (!), was jealous of Pythagoras and came up with his own theorem. Read this article to find out why other mathematicians laughed at him. -
articleIncircles explained
This article is about triangles in which the lengths of the sides and the radii of the inscribed circles are all whole numbers. -
articleSquareo'scope determines the kind of triangle
A description of some experiments in which you can make discoveries about triangles. -
problemAlways, sometimes or never? Shape
Age7 to 11Challenge level
Are these statements always true, sometimes true or never true?
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problemRegular rings 1
Age7 to 11Challenge level
Can you work out what shape is made by folding in this way? Why not create some patterns using this shape but in different sizes? -
problemFolding flowers 2
Age7 to 11Challenge level
Make a flower design using the same shape made out of different sizes of paper. -
problemPaper patchwork 2
Age5 to 7Challenge level
Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?