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

1.
A test-ready elementary school study guide that helps students develop problem-solving skills while learning concepts.
2.
Introducing image association learning methods that make concepts easy to remember and last a long time.
3.
Systematic problem-solving to improve your skills, from basic to past exam questions.

'Elementary school textbook that grasps concepts through images' Woogongbi Elementary Series

The "Ugongbi Elementary Series" is a new concept elementary school textbook that introduces image association learning methods to help students easily understand and remember concepts for a long time.
You can double your memory by memorizing concepts while looking at pictures rather than just memorizing sentences.
Study concepts easily by looking at the 'concepts at a glance' pictures.

The 〈Ugongbi Elementary Series〉 also has a learning stage and structure that systematically allows for studying Korean texts and mathematics problems to improve problem-solving skills for each subject.
Because it clearly states what and how to study to do well in the subject, students gain confidence in their ability to study well on their own.
As you gain confidence in your learning, you will develop the ability to self-direct your learning.

The Woogongbi Elementary Series is a learner-centered textbook that was created not only by considering how to effectively convey learning content, but also by considering ways for elementary school students to focus more on the content and remember it for a longer period of time.