Here is a great tool to show constructions on a computer or Interactive White Board.

Here is a great quiz from karenjs231 on angles. Remember in GCSE there are often angles questions where 1 mark is for finding the right answer and the other is for explaining why, eg stating angles in an isosceles triangle add up to 180 degrees and 2 must be equal.

This is one in a large series of short videos from NCETM showing how people use maths at work. See the others here.

Do you know all the important words for shape? This is a simple matching game to help you. Each time you play you will get a different selection of words.

Here is a similar exercise with pictures

When I was a newly qualified teacher in the early 1980’s the latest trend in maths teaching was Logo. We used to get the students programming the BBC computers to make amazing patterns and shapes. We even used to have a little turtle robot that you could program to draw shapes on the floor! You can have a go at Logo here thanks to Transum.

Angles of elevation and depression– how to use simple trigonometry to measure the height of tall buildings or objects. A great resource from mymaths.

Can you complete the missing angles in this interactive worksheet from Transum?

To see why angles in a triangle add up to 180 degrees see this demo.

This quiz starts with entry level questions but to win a million you need to be able to solve equations and be an expert at 3d shapes! Who wants to be a mathionaire?

This Interactive White Board tool is great for investigating the properties of polygons.

http://www.fi.uu.nl/toepassingen/03015/exercise1.html

Practice your angle estimation by finding as many different ways to get the ball in the hole as possible.

This is a great tool to practice estimating angles.