Rotations

There are 61 NRICH Mathematical resources connected to Rotations
Clock Hands
problem

Clock Hands

Age
7 to 11
Challenge level
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This investigation explores using different shapes as the hands of the clock. What things occur as the the hands move.
Watch those Wheels
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Watch those Wheels

Have you ever noticed the patterns in car wheel trims? These questions will make you look at car wheels in a different way!
Lafayette
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Lafayette

What mathematical words can be used to describe this floor covering? How many different shapes can you see inside this photograph?
Paint rollers for frieze patterns.
article

Paint rollers for frieze patterns.

Proofs that there are only seven frieze patterns involve complicated group theory. The symmetries of a cylinder provide an easier approach.
Shaping Up with Tessellations
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Shaping Up with Tessellations

This article describes the scope for practical exploration of tessellations both in and out of the classroom. It seems a golden opportunity to link art with maths, allowing the creative side of your children to take over.
The Frieze Tree
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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?
Frieze Patterns in Cast Iron
article

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.