Compound transformations

There are 39 NRICH Mathematical resources connected to Compound transformations
Cutting Corners
problem

Cutting Corners

Age
7 to 11
Challenge level
filled star empty star empty star
Can you make the most extraordinary, the most amazing, the most unusual patterns/designs from these triangles which are made in a special way?
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.
Grouping Transformations
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Grouping Transformations

An introduction to groups using transformations, following on from the October 2006 Stage 3 problems.
Mathematical Patchwork
article

Mathematical Patchwork

Jenny Murray describes the mathematical processes behind making patchwork in this article for students.
Maurits Cornelius Escher
article

Maurits Cornelius Escher

Have you ever noticed how mathematical ideas are often used in patterns that we see all around us? This article describes the life of Escher who was a passionate believer that maths and art can be intertwined.
Going Places with Mathematicians
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Going Places with Mathematicians

This article looks at the importance in mathematics of representing places and spaces mathematics. Many famous mathematicians have spent time working on problems that involve moving and mapping things.
The Frieze Tree
article

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.