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정밀쌤
Reviews
661
Hobbies: Researching teaching materials Interests: Mathematics, Textbook Research, Teaching Research Hello everyone! This is Teacher Jeongmil. I have been teaching math at a math academy for 17 years. Many children simply think vaguely, "I want to be good at math," but they solve problems without knowing specific methods or the depth of the subject. If they solve problems this way, math becomes difficult and boring as they move up in grades, causing them to distance themselves from the subject. As someone who places great importance on understanding the principles of mathematics, I would like to share how I teach. First, I conduct lively classes using the blackboard. Mathematics, with its many abstract concepts, often presents many parts that are difficult for children to understand. Therefore, explaining concepts or solving problems through the blackboard allows children to grasp concepts or problems quickly. Second, I conduct classes that maximize efficiency within a short amount of time. Because elementary school students are relatively younger than middle and high school students, they may struggle with their studies due to lower concentration levels and smaller workloads. This approach not only wastes time but can also diminish the enjoyment of math. To make boring math fun and help students excel, you must maximize learning efficiency with minimal time. Finally, I help students develop a clear system of mathematical logical thinking through solutions that adhere strictly to the curriculum. Rather than relying on memory to solve problems, I pursue a path of progress where students understand the principles applied to the problems. Once you understand the concepts through the class, you only need to review them three times! Even children who found math boring and difficult will be able to learn math enjoyably and quickly improve their skills with me.
Experience & Activities
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A math instructor with 17 years of experience, who taught the top-tier class (preparation class for gifted schools and science high schools) at a gifted center of a nationwide math gifted education institution for 4 years.
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Guiding numerous gifted students through mathematical thinking and problem-solving-centered education
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Publication of a self-developed textbook series — Receiving great acclaim for a learning method that builds concepts precisely
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Currently providing advanced math instruction for elementary and middle school students at an offline learning space I operate myself.
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As the representative of a specialized education corporation, I manage the production and distribution of mathematics textbooks and VOD lecture content.
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Active as an online lecture and learning content creator, researching and sharing the connection between the essence of mathematics learning and brain development.
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Classes that foster “accurate concepts and precise thinking skills” are receiving high satisfaction from both students and parents.
661 Parent Reviews
김**
14years old
2026. 9. 12 AM 12:32:6
정밀쌤의 [정밀 기출 분석] 중1-2 중간고사 내신 대비
Although solving math problems is fun, the fact that my child rarely opens the workbook suggests they don't really like it. I am very satisfied to hear that they find it interesting to learn new things. I was worried about the exams, so I hurriedly looked into and enrolled in a school exam preparation class, and I hope they get good results so they can grow to like math. Since it is Zoom rather than regular online classes, the teacher explains things immediately, and because we can comfortably experience the atmosphere of an academy at home, I don't think it will be boring. For now, since my child likes it, I think it would be great if they could consistently establish a good study routine.
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김**
13years old
2026. 3. 23 PM 10:30:30
[오전특강] 정밀쌤의 자세한 개념 설명 12회 완성! 초등 수학 6학년 1학기
Teacher Jung-mil's math class feels just like an in-person session at an academy, even though it is online! My child really loves the blackboard-style teaching method, which sets it apart from other video classes. Since she provides review problems after every lesson, we can thoroughly check for areas where my child is struggling after class, so I am very satisfied as a parent. The teacher also provides detailed feedback when we upload homework, which is very helpful! Mastering concepts perfectly! I highly recommend Teacher Jung-mil's class!
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정밀쌤
2026. 3. 30 AM 9:7:24
Thank you so much for your heartfelt and valuable review. It is a great source of encouragement to hear that you were satisfied with my blackboard-style explanations, review questions, and homework feedback. I pour my heart and soul into every single hour of online classes to ensure that children do not lose focus and can understand concepts with the same intensity as in-person academy lessons. After class, I review and complete homework to identify areas where they need improvement. I guide them by carefully examining each child's specific needs to help them build their skills. I will continue to provide even more attentive guidance to help them firmly grasp concepts and develop the ability to solve problems independently. Thank you.
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13years old
2025. 4. 13 PM 8:33:4
중1-1 수학 중간고사 대비 실전 모의 고사 - 중학교시험리허설
We are currently previewing math, so we needed to check and verify our progress. I was at a loss as to what to do, but taking the test via Zoom like this is fantastic. I hear that English exams are being held at home these days as well. Rehearsing the test like this is great for both my child and me. It even includes the marking process. The questions are well-organized, and having the explanations attached separately makes things incredibly convenient. Even though it is a Zoom test, there is a real sense of tension, and since we have to solve it within the time limit, we are able to concentrate and study hard, which is great. Thank you, teacher.
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정밀쌤
2025. 4. 16 PM 9:22:23
Yes, thank you for your hard work. I am also proud that you made 200% use of the exam rehearsal. There are often cases where students make marking mistakes during the actual exam, but since you went through the marking practice so well, I am sure you will be able to do well on the actual test without getting nervous.
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