Class 9 Number System | Chapter 1 | Maths | Introduction | Fully explained
Автор: Brain SparkX
Загружено: 2026-01-15
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📘 Class 9 Maths | Chapter 1 – Number System | Introduction
Welcome to Class 9 Mathematics! In this introductory video of Chapter 1: Number System, we’ll build a strong foundation by understanding what numbers really are and how they are classified.
00:00 - Introduction to chapter
00:20 – Numbers ki knowledge
03:11 – Types of decimal expansions
08:25 – Is π rational or irrational
09:44 – Rationalisation
14:15 – Homework questions
🔢 In this video, you will learn:
What is a number system?
Types of numbers: Natural, Whole, Integers, Rational & Irrational
Real numbers and their importance
Examples to make concepts easy and clear
This chapter is the base of Class 9 Maths, and mastering it will help you in future chapters as well. The explanation is simple, step-by-step, and perfect for beginners.
✨ Ideal for:
Class 9 students | CBSE / NCERT syllabus | Exam preparation
📌 Don’t forget to like, share, and subscribe for more Class 9 Maths videos!
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