[header] How to revise for your gcses [title] Prepare all your supplies. [step] The basic supplies you require may be notebooks for writing notes or a legal pad, highlighter pens and writing pens. You may also need items that are specific to particular subjects. 
For example, you need a protractor, a pair of compasses and a calculator for mathematics or if you are studying a language it is best to have a translator with you (though not at the test). Also make sure you have suitable food and drink as staying full and hydrated will allow you to concentrate and work better.