# Rich Maths Task 10 - How many angles?

Created by
MrBartonMaths

Have a play around with this task, and please share any questions, extensions, simplifications, modifications, or lines of inquiry in the comment box below. The idea is to collect loads of suggestions that can then be used for effective differentiation. The full set of these tasks, along with additional notes, can be found here: http://www.mrbartonmaths.com/richtasks.htm

Free

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Created: May 19, 2015

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### 2 Reviews

55
• 5Recommended
2 years agoreport

A fantastic rich activity! Just what I am looking for to try out with some of my classes! Thanks for sharing :-)

• 5Recommended
3 years agoreport

Convince me you know the size of each angle

Which angles can you make in more than one way?

Convince me there are some angles you cannot make

Which angles can you make at a point and which at the intersection of two lines?

Which angles need you to use the centre point?

Which circle theorems can you demonstrate using this task?

How many different triangles can you make on this board, and how do you know they are different?

Try this task on an 8-pin or a 12-pin geoboard