Angle Theorem 6

Theorem

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

Main Angle Theorems page.

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Without Lifting

Without Lifting

Can you draw these diagrams without lifting your pencil from the paper? This is an interactive version of the traditional puzzle. Some diagrams are possible while others are not. What is the rule?

This is a Shine+Write visual aid designed to be projected onto a whiteboard for whole class exposition.

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Percentages Quiz

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A multi-level quiz on finding percentages. The lower level questions can be done mentally while the highest level questions require a calculator. So far this activity has been accessed 171939 times and 41677 people have earned a Transum Trophy for completing it.

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