3D Shapes - Visualising
Key Stages: 3 and 4 ★★
How many winning lines are there in 3D noughts and crosses?
As well as giving students an opportunity to visualise 3D solids, this problem provokes the need for students to work systematically. It is only by working in a systematic way that students can convince themselves that their answer is correct. By offering a variety of methods, students can evaluate the merits of the different approaches, and recognise the power of methods which make generalisation possible.
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 Stages: 3 and 4 ★★
How many winning lines are there in 3D noughts and crosses?
As well as giving students an opportunity to visualise 3D solids, this problem provokes the need for students to work systematically. It is only by working in a systematic way that students can convince themselves that their answer is correct. By offering a variety of methods, students can evaluate the merits of the different approaches, and recognise the power of methods which make generalisation possible.
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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