Computers store drawings, photographs and other pictures using only numbers. The following activity demonstrates how they can do this. This resource includes ideas teachers can use to introduce the topic in order to develop understanding of image representation followed by two activities to be used as reinforcement...

This activity, from the Institution of Engineering and technology (IET), introduces students to colour theory. Students look at products where the manufacturer makes a point of producing the same product in a range of colours, for example, mp3 players. They then...

In this activity students observe what happens when water or fat soluble pigments are added to water, oil or both. They mix a water soluble ink or food dye with water and add oil. They then mix grated carrot with water before adding oil. The students record their observations, attempt explanations and suggest...

A picture is shown of some 3D shapes. The shapes are to be painted subject to the constraint that adjacent faces must be painted different colours. The challenge is to find the minimum number of colours needed for each shape. This resource is suitable for Key Stage 3 and could be used as an extension when teaching...

This puzzle is ideaL when working on 2D representations of 3D space. The top, side and front view of a stack of blocks is shown. The challenge is to work out how many blocks of each colour are in the stack. This resource is suitable for Key Stage 3.

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This activity from Subtangent is based on the four colour theory, which is used by mapmakers. Resources include examples of colouring maps correctly, together with additional challenges, which cover a range of ability, for students to try themselves. Solutions for the challenges are also provided.

This collection contains resources from the website 1001mathproblems.com by Sian Zelbo. The focus is on number bonds with use of logic in puzzles involving combinations. 

Combinations consists of seven instant maths ideas including a consideration of the number of arrangements of dots used when writing in Braille, an investigation of Pascal’s triangle, investigating the number of routes through New York, exploring the number of ways six letters can incorrectly be placed in six...

This SMILE resource contains two packs of games, investigations, worksheets and practical activities supporting the teaching and learning of combined transformations, from drawing symmetrical patterns to using matrices to perform shears.

The Gravity Flight Suit uses kerosene as a fuel.  This resource explains the combustion of another hydrocarbon, methane, and the conditions needed for combustion of a fuel.

These diagnostic questions and response activities (contained in the zip file) support students in being able to:

• Use observations to determine whether a substance is in solution.

• Recognise that a compound has properties (including solubility) that are distinct from its...