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Secondary Magazine - Issue 37: An idea for the classroom

This page has been archived. The content was correct at the time of original publication, but is no longer updated.
Created on 23 June 2009 by ncetm_administrator
Updated on 06 July 2009 by ncetm_administrator

Secondary Magazine Issue 37   plan and 3d view of cubes

An idea for the classroom - plans and elevations 

We have mentioned the excellent resources on MathsNet in a previous edition but I want to draw attention to a particular feature of the site, recommended by a colleague, which has been driving me mad all week!

This resource provides three views of a 3D shape from the top, front and right. They also provide the tools to enable you to construct the solid on the screen. So far so good, but it also stipulates the total number of cubes that you can use, which was where I came unstuck. My models used far too many cubes so I had to try to eliminate cubes or reconstruct my models to reach the right number.

plan view of cubes3D view of cubes

I must admit that I found it a bit hard to get started on this task so the invitation to watch a possible solution being constructed on YouTube was an excellent way to get going and see the possibilities. The YouTube link is provided on the webpage.

Pupils need to have access to a computer, preferably in pairs, to use this resource: it is excellent for building spatial awareness. There would also be a good opportunity for pupils to talk about how they did the task to give them an opportunity to reflect upon their learning and access the Key Processes. You could ask them:

  • did you have a strategy for building the models?
  • how did you start? (did you start with an empty sheet and build up the model or start with a 4 x 4 x 4 cube and take blocks away?)
  • did you have a picture in your head of the finished model?
  • how did the YouTube clips help you?
  • how did you help each other?
  • how did you check that your model was correct?

Warning – this resource can be dangerously addictive! Enjoy it.


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