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

Striped Sweets

Striped Sweets

Colour the sweet wrappers so that no two are the same. A multi-level activity designed to encourage a systematic strategy for finding all of the different permutations.

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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Suggested

Remainder Race

Remainder Race

A game involving chance and choice requiring an ability to calculate the remainder when a two digit number is divided by a single digit number.

The short web address is:

Transum.org/go/?to=remainder

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Suggested

Online Logo

Online Logo

An online version of the Logo programming language with 30 mathematical challenges.

The short web address is:

Transum.org/go/?to=logo

Recently Updated

Thrice

Thrice

A challenge to place all nine counters on the grid in such a way that they form exactly 10 straight lines, with each line containing three counters. So far this activity has been accessed 48952 times and 308 Transum Trophies have been awarded for completing it.

Suggested

Go Figure

Go Figure

Arrange the digits one to nine to make the four calculations correct.

The short web address is:

Transum.org/go/?to=gofigure

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