A purposeful visual structure can make relationships easier to see and give a pupil a route back to information they have already learnt. The value comes from how the structure organises knowledge, not from decoration or colour alone.

Match the structure to the knowledge

Choose the form that best represents the relationship pupils need to understand:

• a timeline for sequence and change;

• a process map for linked stages;

• a labelled diagram for parts and functions;

• a comparison table for similarities and differences;

• a worked example that makes each decision visible;

• a planning map for the structure of an extended response.

Remove anything that does not help explain the relationship.

Teach pupils how to read it

Build the structure while explaining the content. Point out what the position, arrow, colour or grouping means. Then ask the pupil to use it to reconstruct the explanation.

In science, a process map might show how a change in one variable affects the next stage. In history, a timeline can separate chronology from cause and consequence. In mathematics, a colour-coded worked example can distinguish the known information, the operation and the answer. In extended writing, a planning map can show the claim, evidence and explanation.

The pupil should be able to say what the structure shows. Copying it is not evidence that it is supporting understanding.

Use it as a retrieval cue

Return to the same structure after a short delay. Ask the pupil to explain the process, cover one label, complete a missing stage or recreate the main shape from memory.

Keep the structure available during early application if the task still places a heavy demand on working memory. Reduce labels, prompts or access as recall becomes more secure.

Keep visuals concise

A dense diagram can compete with the teacher’s explanation. Introduce one part at a time where necessary and avoid displaying several representations of the same content without explaining how they relate.

Use colour consistently and sparingly. Colour should signal a meaningful distinction; it should not be the strategy by itself.

Common mistakes to avoid

• Adding an image that is only loosely connected to the content.

• Presenting a completed visual without teaching pupils how to interpret it.

• Asking pupils to copy a diagram instead of using it to explain or retrieve knowledge.

• Changing the structure every lesson when consistency would strengthen the cue.

• Leaving every label in place after the pupil can retrieve the information independently.

The evidence for classroom applications of dual coding and other cognitive-science approaches is promising but context-dependent. Treat the visual as a carefully designed representation of the curriculum, then check whether it improves the pupil’s explanation and retrieval.

Further reading

• Cognitive science approaches in the classroom (Education Endowment Foundation)

• Using scaffolds to support working memory (Education Endowment Foundation)