Nets

project
Make your own pencil case

11 to 14

What shape would fit your pens and pencils best? How can you make it?
problem
Gym bag

Age

11 to 16

Challenge level

Can Jo make a gym bag for her trainers from the piece of fabric she has?
problem
Cool as ice

Age

11 to 16

Challenge level

Design and construct a prototype intercooler which will satisfy agreed quality control constraints.
problem
Chopped dice

Age

14 to 16

Challenge level

Can you make a new type of fair die with 14 faces by shaving the corners off a cube?
problem
Auditorium steps

Age

7 to 14

Challenge level

What is the shape of wrapping paper that you would need to completely wrap this model?
problem
Magic octahedron

Age

11 to 14

Challenge level

Weekly Problem 20 - 2010
You have already used Magic Squares, now meet a Magic Octahedron...
problem
Air nets

Age

7 to 18

Challenge level

Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
problem
Net result

Age

11 to 14

Challenge level

The net shown here is cut out and folded to form a cube. Which face is then opposite the face marked X?
problem
Triangular faces

Age

7 to 11

Challenge level

This problem invites you to build 3D shapes using two different triangles. Can you make the shapes from the pictures?
problem
All wrapped up

Age

7 to 11

Challenge level

What is the largest cuboid you can wrap in an A3 sheet of paper?