article
Incircles Explained
This article is about triangles in which the lengths of the sides and the radii of the inscribed circles are all whole numbers.
Triangles
article
Squareo'scope determines the kind of triangle
A description of some experiments in which you can make discoveries about triangles.
problem
Always, Sometimes or Never? Shape
Age
7 to 11
Challenge level
Are these statements always true, sometimes true or never true?
problem
Regular Rings 1
Age
7 to 11
Challenge 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?
problem
Folding Flowers 2
Age
7 to 11
Challenge level
Make a flower design using the same shape made out of different sizes of paper.
problem
Paper Patchwork 2
Age
5 to 7
Challenge level
Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?