On Wednesday this week I made a guest appearance at UEA, giving a lecture to the primary PGCE students. My title was:

*Recognising and encouraging mathematical creativity.*

The lecture was filmed and we'll be hoping to make it available online some time this year. In the meantime, one of the students in the audience, Tim Handley, has written a very comprehensive and kind review. You can read this at http://classroomtales.com.

Here's a little snippet. How many lines do you need to draw to divide a rectangle into 4 equal pieces? Obviously, just two lines, as shown in the diagram:

So, how did I manage to get nearly every student in the audience to give the answer 'three lines' to this question?

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