Colour-coding is often seen as making notes look pretty. But used with purpose, colour is a genuinely useful tool in maths. It helps students notice important information, follow the logic of a solution and catch their own mistakes.
Four ways to use colour in maths
- Highlight what the question gives you. In word problems, use one colour for the numbers and key words like "total," "difference" or "each." It stops students skipping the details that cost marks.
- One colour for formulas. Writing every formula in the same colour makes them easy to find when revising.
- Colour the steps. In a worked example, use a different colour for each step, so the structure of the solution stands out.
- Mark mistakes in a correction colour. When reviewing tests, circle errors in one colour and write a short note on why it happened. Patterns soon appear.
Why it helps memory
Colour makes information more distinctive, which helps it stand out and makes notes faster to scan. More importantly, deciding which colour to use forces students to think about what each piece of information is, and that thinking is what really helps them learn.
Keep it simple
The key is consistency. Three or four colours, used the same way every time, work far better than a rainbow. If everything is highlighted, nothing stands out.
A small habit with a big payoff
Colour won't replace practice, but it makes practice more effective. Combined with regular problem solving and feedback, it's a simple habit that helps students read questions carefully, revise faster and lose fewer marks.
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