Angle Theorem 8

Theorem

Below is an interactive version of the diagram. Drag the points to see how the diagram responds.

Main Angle Theorems page.

When you think that the angle theorems are understood head for an Angle Activity.

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Four Colour Theorem

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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Algebraic Perimeters

Algebraic Perimeters

Questions about the perimeters and areas of polygons given as algebraic expressions. So far this activity has been accessed 155 times and 29 people have earned a Transum Trophy for completing it.

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