You may also like
Elastic Maths
How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.
Plaiting and Braiding
This article for students gives some instructions about how to make some different braids.
Celtic Knotwork Patterns
This article for pupils gives an introduction to Celtic knotwork patterns and a feel for how you can draw them.
Age 11 to 16
Challenge Level
Start with cylindrical hats.
How could you make a cylinder? Try cutting and unfolding a cylindrical container to see how it's made.
Now explore conical hats.
Roll up a piece of paper and cut it to make a cone, then unroll it. What do you notice?
How could you make a cylinder? Try cutting and unfolding a cylindrical container to see how it's made.
Now explore conical hats.
Roll up a piece of paper and cut it to make a cone, then unroll it. What do you notice?
Copyright © 1997 - 2021. University of Cambridge.
All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.