Ⅰ.
Properties of natural numbers

01.
factorization
02.
Greatest common divisor and least common multiple
Final Practical Test

Ⅱ.
Integers and rational numbers

03.
Integers and rational numbers
04.
Calculation of integers and rational numbers
Final Practical Test

Ⅲ.
linear equation

05.
Use of characters and calculation of expressions
06.
linear equation
07.
Application of linear equations
Final Practical Test

Ⅳ.
Coordinate plane and graph

08.
Coordinate plane and graph
09.
Direct and inverse proportions
Final Practical Test

Features of this book

· Includes the latest past exam questions from middle schools in top school districts across the country, including Gangnam and Mokdong, and analysis of critical thinking questions from all textbooks.
· Current teachers who create actual school exam questions carefully select only the top questions optimized for preparing for internal exams.
· Structured to enable focused learning for perfect grades, from essential problems that develop problem-solving skills to the most difficult problems that determine discrimination.

Structure of this book

· Past Questions A
We have selected essential concepts that you must know for each level and essential problems for each concept from national middle school exam questions.
· Previous Exam B
We've carefully selected the most challenging, yet highly discriminating, questions from past exams at high-achieving middle schools.
· Past Questions C
It contains creative and interdisciplinary problems that require mathematical thinking skills so that you can systematically learn how to approach top-level problems.
· Final Practical Test
We provide two mock exam-style questions for each unit, written by current teachers, to help students check their academic achievement and develop a sense of the real world.
· Answer and solution
We provide strategies for all questions, from advanced to top-level, and tips for solving problems in the absolute grade NOTE.