You need to know some maths for A level Biology, including to work out whether an experiment can be said to have shown an effect or not. Master this early on and it will not help you with exam questions, but also make it easier for you to learn the bits of the course that are explained using these statistical methods.

A variable is any value that does/might change during an experiment. Variables can include things like pH, temperature, colour, or the concentration of substances. The amount of time that has passed is a variable, as are rates of reaction.

10% of the marks in Biology papers are for calculations. Here are some good practise questions and a great advice document from OCR (applicable to all boards)

Which maths skills you need to practise for the new specification A-level Biology - excellent resources from OCR - also applies to AQA and Eduqas, lots of great practice questions

The quantity of maths in the 2017 specification is a challenge to many students - so I put together a summary of all of the OCR A new spec questions with some element of data analysis.

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Practising A-level Biology past paper questions with Graphs

There is plenty of excellent guidance on how to plot graphs and draw tables in the OCR practical booklet  ..... pdf

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Precision, control variables, independent variables ? Confusing for many students, however, particularly important now that this year practical skills are assessed in the exam paper. 

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