Putting things in perspective Adrian Oldknow 9 th December 2004.

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Presentation transcript:

Putting things in perspective Adrian Oldknow 9 th December 2004

Where’s this bridge?

Get the point?

Been there, done that – got the photograph

Is it a circle?

Is this a circle?

It all depends where you stand

A cone-slicing machine

How to draw an ellipse?

Just need a little light to see by

Cabri II Plus knows it’s a hyperbola

Cabri 3D draws a 5 point conic

Ellipse as a locus

5-point ellipse with focus F, near point P and far point Q.

Worth it? Planets or electrons?

Geometry The RS/JMC report The curriculum - no conics anywhere! Circles at KS3, KS4, AS, A2 Locus at KS3/4 in Ma3 OK to do parabola, ellipse, hyperbola But not statutory Even though they’re all around

From the RS/JMC report Recommendation 8: We recommend that the geometry curriculum be developed to give greater emphasis to work in 3- dimensions and to make better use of Information and Communication Technology (ICT).

So perspective could be another linking theme, and bring in Art, too. Resources: ICT, models, books, videos.. Technical know-how: –Subjects – school/LEA –Cabri 3D – Adrian + developers –ICT tools – school/LEA/Adrian