Click on a picture above for a large version and interactive model or show a theorem at Random.

#### Proof of Circle Theorems

Arrange the stages of the proofs for the standard circle theorems in the correct order with this drag-and-drop activity.

The short web address is:

Transum.org/go/?to=provetheorem

#### Circle Theorem Pairs

A pairs game based around ten theorems about the angles made with chords, radii and tangents of circles.

The short web address is:

Transum.org/go/?to=circletheorempairs

#### Circle Theorem Worksheet

One page of ready-drawn circles for pupils to draw their own diagrams followed by two pages of questions.

The short web address is:

Transum.org/go/?to=circletheoremworksheet

#### Circle Theorems Exercise

Show that you understand the circle theorems with this self marking exercise of traditional circle angle questions.

The short web address is:

Transum.org/go/?to=circleangles

There are also Circle Theorems Pairs games, a Circle Theorems Worksheet and a Circle Theorems Online Exercise available.

#### Snooker Angles

This must be the most enjoyable way to practise estimating angles and learn about bearings. Snooker Angles is an interactive game for one or two players.

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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#### Express as a Percentage

This self-marking quiz requires you to work out what one quantity is as a percentage of a second quantity. So far this activity has been accessed 12395 times and 4898 Transum Trophies have been awarded for completing it.

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