Polyhedra

article
Going deeper: achieving greater depth with geometry

This article for Primary teachers outlines how providing opportunities to engage with increasingly complex problems, and to communicate thinking, can help learners 'go deeper' with geometry.
article
Let's get flexible with geometry

In this article for primary teachers, Ems explores ways to develop mathematical flexibility through geometry.
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
More dicey decisions

Age

16 to 18

Challenge level

The twelve edge totals of a standard six-sided die are distributed symmetrically. Will the same symmetry emerge with a dodecahedral die?
problem
Which solids can we make?

Age

11 to 14

Challenge level

Interior angles can help us to work out which polygons will tessellate. Can we use similar ideas to predict which polygons combine to create semi-regular solids?
problem
Which solid?

Age

7 to 16

Challenge level

This task develops spatial reasoning skills. By framing and asking questions a member of the team has to find out what mathematical object they have chosen.
problem
Next size up

Age

7 to 11

Challenge level

The challenge for you is to make a string of six (or more!) graded cubes.
problem
Lighting up time

Age

7 to 14

Challenge level

A very mathematical light - what can you see?
problem
Magnetic personality

Age

7 to 16

Challenge level

60 pieces and a challenge. What can you make and how many of the pieces can you use creating skeleton polyhedra?
problem
Octa-flower

Age

16 to 18

Challenge level

Join some regular octahedra, face touching face and one vertex of each meeting at a point. How many octahedra can you fit around this point?