Make sure you are familiar with the Question Lingo rules for the format of your answer, given the phrasing of the question.
Category 1 - Should be able to be answered by students in Algebra 1 or higher.
Category 2 - Should be able to be answered by students in Geometry or higher.
Category 3 - Should be able to be answered by students in Algebra 2 or higher.
Category 4 - Should be able to be answered (generally) by students after Algebra 2.