Circle Theorem 5

Theorem

Below is an interactive version of the diagram 'Powered By GeoGebra'. Drag the points to see how the diagram responds.

Main Circle Theorems page.

When you think that the circle theorems are understood head for the Circle Theorems Exercise.

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Maths Mind Reader

Maths Mind Reader

This spectacular magic trick never fails to amaze people of all ages assuming they can add and subtract very simple numbers. The mathematics comes in finding out how the trick works.

This is a Shine+Write visual aid designed to be projected onto a whiteboard for whole class exposition.

You can find other popular visual aids on our Shine+Write page.

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Arithmetic Sequences

Arithmetic Sequences

An exercise on linear sequences including finding an expression for the nth term and the sum of n terms. So far this activity has been accessed 11301 times and 2145 people have earned a Transum Trophy for completing it.

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