Circle Theorems

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

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

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

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.


Featured Activity Three Ways Can you get to the target number by multiplying together four different one digit numbers? Can you do it in three different ways? There are nine levels to this online challenge and a virtual Transum Trophy available for each level.	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. Find out about the latests developments on this website by signing up for a Transum Subscription. You will receive a regular newsletter and have access to the answers to most of the puzzles and activities on this site.

	Recently Updated Statistics Supplied Find all of the sets of numbers matching the given statistical conditions. So far this activity has been accessed 143 times and 2 people have earned a Transum Trophy for completing it.