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.

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Bidmaze

Bidmaze

Find your way through the maze encountering mathematical operations in the correct order to achieve the given total. This is an addictive challenge that begins easy but develops into quite a difficult puzzle.

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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Estimating Angles

Estimating Angles

Estimate the size of the given acute angles in degrees. So far this activity has been accessed 10873 times and 1306 people have earned a Transum Trophy for completing it.

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