Angle Theorem 5

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.

Featured Activity

Lemon Law

Lemon Law

A fascinating digit changing challenge. Change the numbers on the apples so that the number on the lemon is the given total. Can you figure out, by understanding place value, how this works?

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

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Shape Sorter

Shape Sorter

Drag each shape into the correct bin according to their types and symmetries. So far this activity has been accessed 248 times and 102 Transum Trophies have been awarded for completing it.

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