Classifying Triangles by Angles and Sides

A video tutorial from PBS on how to classify triangles according to angle measurements and side lengths. It is likely to appeal to pupils because it is presented by a student.

Angles

Activities on acute, obtuse, and alternate angles. They can help you to consolidate your knowledge of angles vocabulary.

Alien Attack

Use your knowledge of angles in this game where you defend the Earth from aliens. You can either estimate the angles or read them from a protractor.

ITP Fixpoints - Using a Protractor

Create angles using a grid and then measure them using the protractor. Their values can be displayed or hidden. For reflex interior angles the value of the exterior angle is shown.

Best Maths Animated Gifs

Downloadable animated gifs which demonstrate mathematical concepts such as Pythagorus Theorem, how to find the area of a cylinder and more. Useful teaching aid for use on an interactive whiteboard.

Key Stage 3 Bitesize - Maths

Help is at hand for maths revision for Key Stage 3 Maths SATs. The site has resources for teachers too.

MathTV.com

Short teaching videos that can help you with maths problems. An American site.

Maths is Fun - Geometry

A good reference site if you need information about shapes and their properties, transformations, symmetry and angles.

Free YouTube Video Tutorials GCSE Maths

Ten free video tutorials on topics such as constructing angles, quadratic formula and rounding.

Pattern Shapes

Try making patterns, tessellations or pictures with shapes. Explore geometry and fractions or investigate symmetry. Great for demonstrating protractors and measuring angles in shapes.