# Browse by subject and age group

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.

Teachers, Pupils

Not Flash

10-11 year olds
Exploring and Solving Triangles

This website includes a video which shows triangles in everyday life and interactive exercises where you need to find triangles in a picture and then solve all the missing angles. It also includes a printable worksheet.

Pupils

Flash

11-14 year olds
Angles

Control the Roboidz with your knowledge of different types of angles in this exciting Mission 2110 game. Suitable for 10 - 12 year olds.

Pupils

Flash

10-12 year olds
Angle Types

A simple lesson on acute, obtuse and reflex angles with an interactive test so you can check your understanding.

Pupils

Flash

7-11 year olds
Shape, Space and Measure Angles

A maths game where you need to estimate the angles to squirt a hose pipe on the dog and other items.

Pupils

Flash

9-11 year olds
Angle Types Simulation

Learn how to recognise different types of angles: acute, obtuse and reflex in this interactive simulation. You can create the angles on the protractor.

Teachers, Pupils

Flash

9-14 year olds
Angles

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

Teachers, Pupils

Not Flash

14-16 year olds
Multiples and Factors

A multiple choice game with two game modes. In the first you need to identify the Lowest Common Multiple and in the second the Highest Common Factor. Questions increase in difficulty depending on accuracy

Pupils

Not Flash

9-11 year olds
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.

Teachers, Pupils

Not Flash

9-11 year olds
Colouring Multiples in Pascal's Triangle

Check out this multiples challenge. Either pick a number or take a random number and find all the multiples. See if you can spot the number patterns as you colour in the multiples.

Teachers, Pupils

Not Flash

7-11 year olds
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