2D representations of 3D shapes

problem
Guess what?

Age

7 to 11

Challenge level

Can you find out which 3D shape your partner has chosen before they work out your shape?
problem
Nicola's jigsaw

Age

11 to 14

Challenge level

Nicola has lost a piece of her 3D jigsaw. Can you work out the shape of the missing piece?
problem
Perspective drawing

Age

11 to 16

Challenge level

Explore the properties of perspective drawing.
problem
Oblique projection

Age

11 to 14

Challenge level

Explore the properties of oblique projection.
problem
Isometric drawing

Age

11 to 14

Challenge level

Explore the properties of isometric drawings.
article
3D drawing

The design technology curriculum requires students to be able to represent 3-dimensional objects on paper. This article introduces some of the mathematical ideas which underlie such methods.
problem
Stadium sightline

Age

14 to 18

Challenge level

How would you design the tiering of seats in a stadium so that all spectators have a good view?
problem
Weird universes

Age

16 to 18

Challenge level

Consider these weird universes and ways in which the stick man can shoot the robot in the back.
problem
Bent out of shape

Age

14 to 18

Challenge level

An introduction to bond angle geometry.
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?