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.
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 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?