Circle Theorems

Theorem 1 Theorem 2 Theorem 3
Theorem 4 Theorem 5 Theorem 6
Theorem 7 Theorem 8 Theorem 9

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

Drag and Drop

Proof of Circle Theorems

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

Game

Circle Theorem Pairs

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

For Printing

Circle Theorem Worksheet

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

Recommended

Circle Theorems Exercise

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.

Featured Activity

Snooker Angles

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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Recently Updated

Express as a Percentage

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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