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Putting things in perspective

Putting things in perspective. Adrian Oldknow a_oldknow@compuserve.com 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.

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Putting things in perspective

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  1. Putting things in perspective Adrian Oldknow a_oldknow@compuserve.com 9th December 2004

  2. Where’s this bridge?

  3. Get the point?

  4. Been there, done that – got the photograph

  5. Is it a circle?

  6. Is this a circle?

  7. It all depends where you stand

  8. A cone-slicing machine

  9. How to draw an ellipse?

  10. Just need a little light to see by

  11. Cabri II Plus knows it’s a hyperbola

  12. Cabri 3D draws a 5 point conic

  13. Ellipse as a locus

  14. 5-point ellipse with focus F, near point P and far point Q.

  15. Worth it? Planets or electrons?

  16. Geometry 11-19 • 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

  17. 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).

  18. 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

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