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...

A multiple choice quiz on colour by design for A/AS level chemistry.

Although it is written for OCR AS/A level chemistry (Salters) H033/H433 course, it can be edited to suit your scheme of work.

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...

This resource provides activities that link in which geography at primary level, using images of cities and Islands around the World taken from Space. These images taken by Tim Peake, support children in recognising human and natural features from an aerial view. They develop their understanding of maps and keys/...

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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In this resource from the IET, pupils learn about chromatography, separation techniques and materials, whilst testing a range of liquids and pens to create their own Christmas tree decorations.

They will use coffee filters and washable felt tips to explore pigments and there's also a challenging...

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 activity, from the Association of Teachers of Mathematics (ATM) publication ‘It Makes You Think’, consists of a series of clue cards and a series of resource cards. The resource cards consist of different coloured discs. Students are required to arrange the discs in a specific order by following the...

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.