[header] How to prepare for the psat [title] Look at sample questions online. [step] There are plenty of online sources that provide free sample psat questions, with detailed responses for the answers. You can read over the questions and try to answer them on your own, before reading through the explanation to make sure you understand the concept. 
[substeps] You can test your knowledge by reviewing sample questions in all of the psat subject categories: math, reading, and writing/language. You are permitted to use a calculator on some of the math questions.