: Deep dive into rational fractions, including complex simplifications.

: Intensive repetition of 7th-grade material.

: Solve the problem independently first, then use the GDZ to find where a logic error might have occurred, such as failing to distribute a negative sign or missing a domain constraint.

: Many students use the solutions to learn specific "tricks" for solving competition-level problems found in the final sections of the book.

The collection is divided into thematic sections that align with the advanced curriculum for middle school: