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.

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.

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.

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.

Transum.org/go/?to=circleangles

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

#### ChrisMaths

Christmas activities make those December Maths lessons interesting, exciting and relevant. If students have access to computers there are some online activities to keep them engaged such as Christmas Ornaments and Christmas Light Up.

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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#### The 12 Ways of Christmas

How many different ways can you make the number 12 using the digits 1 to 4? So far this activity has been accessed 455 times and 14 Transum Trophies have been awarded for completing it.

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