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Mathematical Etudes and Purposeful Practice

In music, an etude is a piece designed to develop a particular skill while avoiding the tedium of practising without purpose. In this feature, Colin Foster introduces mathematical etudes; tasks for the mathematics classroom that give students opportunities to practise specific skills in a rewarding and rich context.

Mathematical Etudes
article

Mathematical Etudes

This article by Colin Foster presents the idea of mathematical etudes as a way to develop fluency without tedium.
Almost One
problem
Favourite

Almost One

Age
11 to 14
Challenge level
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Choose some fractions and add them together. Can you get close to 1?
Triangles in circles
problem
Favourite

Triangles in circles

Age
11 to 14
Challenge level
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Can you find triangles on a 9-point circle? Can you work out their angles?

Cyclic Quadrilaterals
problem
Favourite

Cyclic Quadrilaterals

Age
11 to 16
Challenge level
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Draw some quadrilaterals on a 9-point circle and work out the angles. Is there a theorem?

The Simple Life
problem

The Simple Life

Age
11 to 14
Challenge level
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The answer is $5x+8y$... What was the question?