# 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.

#### Four Colour Theorem This mathematical activity involves colouring in! That makes a change. Using the paint bucket tool can you flood fill the regions so that no two adjacent regions are the same colour?

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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#### Formulae to Remember The traditional pairs or pelmanism game adapted to test recognition for formulae required to be memorised for GCSE exams. So far this activity has been accessed 6452 times and 157 people have earned a Transum Trophy for completing it. For All: