Pre-algebra
Pre-algebra is a branch of mathematics which is studied typically in American education usually taught in 8th grade to prepare students for algebra 1 and 2, geometry, and other subjects that are taught in high school. It is studied to prepare students for algebra. Pre-Algebra is used to allow students to understand usage of variables and enhance their ability of understanding, reading and creating graphs. Pre-algebra often still deals with basic math, while adding letters, commonly used are x and y.