Ⅰ.
Properties of natural numbers

01.
factorization
02.
Greatest common divisor and least common multiple

Ⅱ.
Integers and rational numbers

03.
Integers and rational numbers
04.
Calculation of integers and rational numbers

Ⅲ.
linear equation

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

Ⅳ.
Coordinate plane and graph

08.
Coordinate plane and graph
09.
Direct and inverse proportions

〈Typebook + Workbook 2 Volumes〉
〈4-Step Intensive Learning System, Typebook〉
〈Repetition + In-Depth Learning System, Workbook〉

Type Book

· Step 1.
Grasping the concept
You will learn all the key concepts and principles you need to know, and build your fundamentals by solving basic problems.

· Step 2.
Catching all types
You can improve your math skills by analyzing past middle school exam questions from across the country by type and using important, pick-your-own, and development types.

· Step 3.
Hold on tight to school exams
You can improve your skills through selected developmental problems that often appear on school exams.

· Step 4.
Increase creativity and literacy with textbooks!
You can solve up to the last problem by reconstructing the creativity problem in the textbook.

Workbook

· Catch the type again
[Typebook] Step 2.
You can improve your math skills through repeated learning by type with the twin problem of catching all types.
· Get ​​full marks
You can solve selected difficult questions on your own with solution strategies.