Regular polygons and circles

problem

Shapely Tiling

Age

7 to 11

Challenge level

Use the interactivity to make this Islamic star and cross design. Can you produce a tessellation of regular octagons with two different types of triangle?
problem

Shaping Up

Age

7 to 11

Challenge level

Are all the possible combinations of two shapes included in this set of 27 cards? How do you know?
problem

Clock Hands

Age

7 to 11

Challenge level

This investigation explores using different shapes as the hands of the clock. What things occur as the the hands move.
problem

Yin Yang

Age

7 to 11

Challenge level

Can you reproduce the Yin Yang symbol using a pair of compasses?
problem

Logo Challenge 1 - Star Square

Age

7 to 16

Challenge level

Can you use LOGO to create this star pattern made from squares. Only basic LOGO knowledge needed.
problem

Logo Challenge 9 - Overlapping Polygons

Age

7 to 16

Challenge level

This LOGO challenge starts by looking at 10-sided polygons then generalises the findings to any polygon, putting particular emphasis on external angles
problem

First Forward Into Logo 2: Polygons

Age

7 to 16

Challenge level

This is the second in a twelve part introduction to Logo for beginners. In this part you learn to draw polygons.
problem

First Forward Into Logo 4: Circles

Age

7 to 16

Challenge level

Learn how to draw circles using Logo. Wait a minute! Are they really circles? If not what are they?
problem

Gibraltar Geometry

Age

11 to 14

Challenge level

Take a look at the photos of tiles at a school in Gibraltar. What questions can you ask about them?
problem

Shogi Shapes

Age

11 to 14

Challenge level

Shogi tiles can form interesting shapes and patterns... I wonder whether they fit together to make a ring?