Give geometry a go with students in grades 7 and up using Helping Students Understand Geometry. This 128-page book includes step-by-step instructions with examples, practice problems using the concepts, real-life applications, a list of symbols and terms, tips, and answer keys. The book supports NCTM standards and includes chapters on topics such as coordinates, angles, patterns and reasoning, triangles, polygons and quadrilaterals, and circles.