2D Shapes, Angles
Key Stage: 2 ★★★
How many different triangles can you draw on a circular pegboard with four pegs? What are their angles?
This problem offers an opportunity for pupils to work in a systematic way, using their knowledge of the properties of triangles. Learners will need to apply what they know about angles in circles and triangles in order to calculate the angles in each triangle they draw. The problem encourages them to be clear about what they do know and what they can work out from it.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
Key Stage: 2 ★★★
How many different triangles can you draw on a circular pegboard with four pegs? What are their angles?
This problem offers an opportunity for pupils to work in a systematic way, using their knowledge of the properties of triangles. Learners will need to apply what they know about angles in circles and triangles in order to calculate the angles in each triangle they draw. The problem encourages them to be clear about what they do know and what they can work out from it.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
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A very useful resource to extend work on shape when using peg boards. The challenge is suitable for G&T children in KS2. Thanks.
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