In addition to completing homework tasks, wider reading is also a helpful activity in preparation for the English GCSE. Sources from the exam board have advised that the articles they include in the exam paper are often sourced from Guardian Opinion.
Their articles are free to read online here:
It maybe helpful to get into the practise of reading some of these articles regularly to get used to the style of writing.
You should also try to think about:
What is the writer trying to say?
How are they trying to persuade me?
Can I identify any techniques the writer uses to try and persuade?