Also, please tell me any tips you might have?
You can see the exact format of the SAT math booklet in some of the official practice tests. As of now, six have been released on the college board site and seven on khan academy:
https://collegereadiness.collegeboard.org/sat/practice/full-length-practice-tests
There are usually 2-4 questions on each page, so you have a goof amount of room to do your calculations.
The test booklet gives enough space. It has space designated for computations.