Circle Theorem 1

Theorem

Below is an interactive version of the diagram 'Powered By GeoGebra'. Drag the points to see how the diagram responds.

Main Circle Theorems page.

When you think that the circle theorems are understood head for the Circle Theorems Exercise.
Featured Activity

Shunting Puzzles

Shunting Puzzles

These puzzles are Transum's versions of the shunting or switching puzzles made popular by train enthusiasts and logic puzzle solvers.

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.
Suggested

Remainder Race

Remainder Race

A game involving chance and choice while calculating the remainder when a two digit number is divided by a single digit number.

The short web address is:

Transum.org/go/?to=remainder
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

Shapes In The Stars

Shapes In The Stars

Join up the stars to find the hidden regular polygons. So far this activity has been accessed 78866 times and 357 people have earned a Transum Trophy 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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