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Mr. Tendan 🥇 Mental Math Specialist 🏆 Making Arithmetic Simple

🧮Abacus Master
1Abacus for middle school Sessions Completed

Introduction

Speaks
EnglishA2 Elementary
ChineseNative
JapaneseB1 Intermediate
🧠 Expertise Mental Math / Abacus Mental Calculation ❗ Why Learn Mental Math? Mental math is often misunderstood as an "unnecessary talent." In reality, it's not just about accuracy — it's also about speed and logic. Here’s how it helps: 📚 Academic Advantages Finish math exams in under 10 minutes, with plenty of time to review Sharper thinking, quicker response time, and clearer logic Strong advantage in high-logic disciplines like chess or programming 💼 Practical Use in Work Life Quickly calculate without a calculator Excel in accounting, secretarial, and finance-related jobs During meetings or business trips, estimate costs and profits on the spot — showing professionalism and efficiency 🏆 Teaching Highlights Hundreds of mental math competition experiences Can quickly pinpoint students’ problem areas and offer effective strategies Specialized in teaching how to be faster and more accurate 📍 If you're preparing for certification or simply want to sharpen your skills, feel free to reach out! 📚 Course Overview This course starts with the core idea of having an “abacus in your mind,” training students to build strong number sense and mental computation through visualization. With step-by-step instruction, students progress from basic abacus/mental math, to memory techniques and real-life applications — empowering not just accuracy, but flexibility and logical reasoning. ✨ Course Features ✔ No experience needed — suitable for complete beginners ✔ Structured training to prepare for mental math certification ✔ Real-life practice (e.g. splitting bills, checkout calculations) ✔ Integrates logical thinking to improve all math-related subjects ✔ Small homework tasks after each session to ensure steady progress 🏆 Competition & Certification Background Competed in hundreds of mental math competitions in Taiwan and Japan Awarded over 300 certificates and 100 trophies (including dozens of first-place wins) Mental Math Certification: 10th Dan (highest level) Abacus Certification: 8th Dan Began abacus training in kindergarten Represented Taiwan in 2nd grade and won 2nd place in an international mental math competition in Japan 💡 Real-Life Benefits of Mental Math Never given the wrong change (if anything, people give too much!) Consistently ranked top 3 in school math results Solves problems 5× faster than peers Excels in logical fields like programming and chess Often calculates faster than using a calculator 👨‍🏫 Teaching Experience Former middle school math teacher for both regular and special education classes Currently a private mental math tutor for elite and prestigious schools Extremely patient and passionate about guiding students’ thought process ❗️Classroom Guidelines ↘️ Always bring a notebook and pen to record mistakes ↘️ Ensure your device and internet are working before class ↘️ If you need to cancel, please inform me at least 24 hours in advance. If within 24 hours, kindly message me via LINE or chat
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Performance History

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Experiences

  • 2023 till now 私人家教

Educations

  • 2013 - 2015 臺灣師範大學 科技應用與人力資源發展學系 Certificate Uploaded

Certifications

  • 段位心算10段檢定 Certificate Uploaded

Experiences
  • 2023 till now 私人家教
Educations
  • 2013 - 2015

    臺灣師範大學

    科技應用與人力資源發展學系 Certificate Uploaded

Certifications
  • 段位心算10段檢定 Certificate Uploaded

FAQ

How to book

  • After buying courses, you can book them according to the teacher’s schedule.
  • If “Instant Tutoring” shows on the teacher’s profile, you can book the lesson 30 minutes after the current time.
  • If the teacher is not online, the next available class cannot be booked until 24 hours afterward.

Lesson duration

  • The duration of a trial session is 25 minutes.
  • The duration of a private session is 50 minutes.
  • If you purchase more than 5 sessions, you will receive a discount (according to the price the teacher set).

Instructions

  • Enter the website 10 minutes before the class starts. Click “My Lessons” to find your class, click “Go to class”, and then you will be in the classroom on ZOOM!
  • You can use ZOOM for classes both on your phone and computer. Please download ZOOM in advance if you choose to use your phone for the class.

Refund policy

  • Please click “Report Issue” if you encountered any problems, and the teacher will determine either reschedule or refund afterward.
  • If the teacher doesn’t respond the issue, we will provide a full refund as AT credits for you.
How to book
  • After buying courses, you can book them according to the teacher’s schedule.
  • If “Instant Tutoring” shows on the teacher’s profile, you can book the lesson 30 minutes after the current time.
  • If the teacher is not online, the next available class cannot be booked until 24 hours afterward.
Lesson duration
  • The duration of a trial session is 25 minutes.
  • The duration of a private session is 50 minutes.
  • If you purchase more than 5 sessions, you will receive a discount (according to the price the teacher set).
Instructions
  • Enter the website 10 minutes before the class starts. Click “My Lessons” to find your class, click “Go to class”, and then you will be in the classroom on ZOOM!
  • You can use ZOOM for classes both on your phone and computer. Please download ZOOM in advance if you choose to use your phone for the class.
Refund policy
  • Please click “Report Issue” if you encountered any problems, and the teacher will determine either reschedule or refund afterward.
  • If the teacher doesn’t respond the issue, we will provide a full refund as AT credits for you.

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