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Frieze Patterns in Cast Iron

A gallery of beautiful photos of cast ironwork friezes in Australia with a mathematical discussion of the classification of frieze patterns.

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The Frieze Tree

Patterns that repeat in a line are strangely interesting. How many types are there and how do you tell one type from another?

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Friezes

Some local pupils lost a geometric opportunity recently as they surveyed the cars in the car park. Did you know that car tyres, and the wheels that they on, are a rich source of geometry?

Mirror, Mirror...

Stage: 3 Challenge Level: Challenge Level:1

If the flag is reflected twice, which way will it be facing at the end?

Thinking about the distance between the lines of reflection might help --- squared paper might be helpful for this.