Number System Class 9 | Rational & Irrational Numbers Explained with Examples

📚 Welcome to Adhyatmn Edutech! In this complete and easy-to-understand video, Naveen Jain Sir explains Chapter 1 – Number System in a detailed and student-friendly manner, as per the latest NCERT and CBSE syllabus for Class 9 Mathematics. 🔍 What you will learn in this video: ✔️ Natural Numbers, Whole Numbers & Integers ✔️ Rational Numbers and Their Decimal Forms ✔️ Non-Terminating Recurring Numbers ✔️ Irrational Numbers and Their Definitions ✔️ Perfect vs Non-Perfect Square Roots ✔️ How to Identify Rational or Irrational Numbers ✔️ Real Numbers – Complete Classification ✔️ Bar Notation Examples and Decimal Representation With real-life examples, patterns, and clear concepts, this lecture will help you understand the number system thoroughly and prepare better for your exams. Don’t forget to take notes! 📌 Chapters (Timestamps) 00:00 – Introduction 00:15 – Natural Numbers 01:14 – Whole Numbers 02:33 – Integers 04:24 – Rational Numbers 06:44 – Decimal Forms of Rational Numbers 10:55 – Identifying Rational Numbers 12:57 – Non-Terminating, Non-Recurring Numbers 15:05 – Irrational Numbers 18:33 – Square Root of Non-Perfect Squares 19:58 – Real Numbers Summary 20:31 – Conclusion 🔔 Subscribe for More Class 9 & Class 10 Videos 📞 Contact: +91 9928788025 🌐 Instagram: @adhyatmn_edutech 📘 Facebook: Adhyatmn ▶️ YouTube: Adhyatmn Edutech