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Class Clips

# SecondaryMaths : Geometry

Clip description Keywords
A gymnast describes her routine

Duration: 01:50

A gymnast talks about her routine. Includes a floor routine and the associated commentary.

A gymnast on the asymmetric bars

Duration: 02:36

A gymnast shows her moves on the asymmetric bars and describes her routine.

Are faces symmetrical?

Duration: 00:38

Are our faces symmetrical? Demonstrates how strange a totally symmetrical face would look.

Bitesize maths: Circles

An animated guide to circles and angles related to them.

Bitesize Maths: Trigonometry

An animated guide to using trigonometry to solve problems relating to right-angled triangles.

Fairground shapes

Duration: 02:28

Pictures of a variety of shapes in the fairground setting, some moving and some static.

Film animation using mathematics

Duration: 03:41

A demonstration of the use of mathematics in producing an animated piece of film.

Fractal geometry in nature and digital animation

Duration: 05:26

Beginning with trees and moving on to Pixar films, Marcus du Sautoy explores how simple rules can give rise to very complex fractal shapes in natural systems, creating realistic textures and surfaces.

Hexagons in the natural world

Duration: 05:34

Marcus du Sautoy looks at why bees create hexagonal honeycombs and he uses a bubble array to show how nature is always trying to make the most efficient use of materials.

An animated step-by-step guide to sketching quadratic functions.

How to sketch trig functions

An animated step-by-step guide to sketching trigonometric functions.

How to work out the gradient and equation of a straight line

Duration: 03:37

An animated step-by-step guide to working out the gradient, equation and position of a straight line.

Minimising surface area of 3D shapes

Duration: 01:48

An explanation of how bubbles find the most efficient shape when they are joined together.

Duration: 01:28

An explanation of how planes use bearings to navigate.

Plotting bearings for an aircraft flight (pt 1/3)

Duration: 02:45

Students are asked to plot a 4-leg course for a plane to take off from an airport, fly around a circuit and land again.

Plotting bearings for an aircraft flight (pt 2/3)

Duration: 04:08

Having worked out their four 'headings' in Part 1, two students test out their bearing calculations on a circular flight around an airport.

Plotting bearings for an aircraft flight (pt 3/3)

Duration: 00:39

A short explanation of which bearings should be flown to get to Barbados.

Riding a fairground ride

Duration: 02:15

How a fairground ride is built and operated and how the rider moves.

Rotational and reflective symmetry in everyday objects

Duration: 01:14

As a camera pans around a London railway station, the symmetries of different objects are explored.

Rotational symmetry in textile design

Duration: 02:33

A textile designer explains how her patterns are created, by step-rotating simple shapes by factors of 360 degrees.

Rules of circles

Rules related to right-angled triangles in circles are outlined in this animated guide.

Spheres and Symmetry

Duration: 02:08

An explanation of why bubbles are spherical and why spheres are so common in nature.

The maths of moving furniture

Duration: 04:13

Presenter Carol Vorderman explains how our sense of maths helps us know if a sofa will fit through a corridor.

The meaning of pi

Duration: 00:52

An introduction to the number pi.

The Platonic Solids

Duration: 01:47

An introduction to the Platonic solids and how they are used as dice.

The waltzer fairground ride

Duration: 01:46

A look at the set up and path taken by a waltzer car at the fairground.

Using CAD to explore solids and nets

Duration: 03:09

A CAD programmer is shown cutting the corners of a cube in a 3D virtual environment before creating the net of a cube which can be folded up virtually to make the solid.