1.
Mixed calculations of natural numbers
2.
Divisors and multiples
3.
Rules and Responses
4.
Reduce and common fractions
5.
Addition and subtraction of fractions
6.
Perimeter and area of ​​polygons

[Progressive Textbook]
1.
Concept Learning: Textbook concepts are organized by topic for easy understanding.
2.
Concept type: Textbook, workbook type + exercise book to systematically reinforce concepts.
3.
Representative type: Type with a high proportion of questions on each exam + essay.
4.
Unit Summary: This is designed to ensure that you have a good understanding of the entire unit and to prepare you for the actual exam.

[Homework Materials]
We provide 1:1 customized problems for each type of textbook, allowing you to review the type and perfect your skills.

[Answer and Solution]
We have provided quick answers for your convenience in grading, and have provided a wealth of supplementary materials to help you solve problems, along with detailed explanations.

1.
Customized textbook for each level: "U-Gong-Bi Q+Q"
"U-Gong-Bi Q+Q" is composed of three levels: Basic, Standard, and Advanced, allowing you to increase your learning effectiveness by selecting the textbook that best suits your learning purpose and difficulty level.
2.
Progress + Homework System
We provide 1:1 customized problems for each type of textbook as homework materials, allowing you to review what you have studied and completely master the type.
3.
Master the concept and representative types
"U-Gong-Bi Q+Q Basic Edition" allows you to complete the concept and improve your ability to apply types by mastering the concept type + representative type.