Engaging Mathematics for all learners Curved fold Folding again... - - PowerPoint PPT Presentation

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Oct 09, 2023 103 likes •166 views

Engaging Mathematics for all learners Curved fold Folding again... and again A4 sheet of paper Draw a small dot about 2.5cm/1inch from the edge. Fold such that edge goes through the dot. Do it many times in different ways, making

SLIDE 1

Engaging Mathematics for all learners

Curved fold

SLIDE 2

Folding again... and again

A4 sheet of paper Draw a small dot about 2.5cm/1inch from the edge. Fold such that edge goes through the dot. Do it many times in different ways, making very good creases. Which shape is being described?

SLIDE 3

Folding again

It looks like a parabola. Is it really a parabola? How can we check? What is a parabola? What are the uses of parabolae in the world?

SLIDE 4

Lets do it again...

Show parabola.html

SLIDE 5

What is a parabola?

Show parabola_with_distance.html