01:00:00
All about conic sections
This is a fully interactive program allowing many useful ways of investigating conic sections both visually and algebraically. It comes with a full set of explanatory notes for both teacher and pupil.
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00:09:00
Making Irrational Numbers Visible
A novel way of showing how root 2 can shown to be irrational, using a paper triangle.
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00:07:00
The Magical Story
A story about a genie, a monkey, an ape and an infinite number of coconuts. Who gets the coconuts?
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