Number System Class 9 in One Shot π₯ | Class 9 Maths Chapter 1 Complete Lecture | Shobhit Nirwan
Shobhit Nirwan - 9thγ»2 minutes read
The first chapter of the ninth class delves into the Number system, detailing real, rational, and irrational numbers, aiming for students to achieve 100 marks in Math. The text emphasizes the distinction between rational and irrational numbers, provides examples, and offers formulas for finding rational numbers between two values.
Insights
- The chapter on Number System in the ninth class covers real numbers, rational numbers, and irrational numbers, emphasizing their definitions and distinctions.
- The text provides detailed explanations on decimals, rational and irrational numbers, highlighting the significance of understanding their properties and differences.
- Practical exercises and formulas are introduced to help students find rational and irrational numbers between given values, reinforcing mathematical problem-solving skills and critical thinking.
Get key ideas from YouTube videos. Itβs free
Recent questions
What is the importance of understanding the Number system?
Understanding the Number system is crucial for class ninth students as it forms the foundation for mathematical concepts. It covers real numbers, rational numbers, irrational numbers, and their properties, which are fundamental in solving mathematical problems. Mastery of the Number system ensures students can confidently tackle questions from various textbooks and exams, leading to academic success in mathematics.
How are rational numbers defined in the Number system?
Rational numbers are defined as numbers in the form of p/q, where q is not equal to 0, and p and q belong to integers. This definition distinguishes rational numbers from other types like natural and irrational numbers. Understanding rational numbers is essential as they play a significant role in mathematical calculations and problem-solving, forming a critical part of the Number system.
What is the significance of decimals in the Number system?
Decimals are a crucial aspect of the Number system as they represent fractional parts of numbers. Understanding decimals is essential for precise calculations, especially when dealing with real-world measurements and values. The concept of decimals helps students grasp the idea of fractions, percentages, and the relationship between different numerical representations, enhancing their mathematical skills.
How are irrational numbers differentiated in the Number system?
Irrational numbers are distinguished in the Number system based on their decimal representations. Unlike rational numbers, irrational numbers have non-repeating and non-terminating decimals. Identifying irrational numbers is important as they exist alongside rational numbers, expanding the understanding of numerical concepts and providing a comprehensive view of the Number system.
What is the practical application of Pythagoras' theorem in the Number system?
Pythagoras' theorem is a fundamental concept in the Number system used to calculate the hypotenuse of a right-angled triangle. By understanding this theorem, students can determine the relationship between the sides of a triangle and apply it to solve geometric problems. Pythagoras' theorem showcases the practical application of mathematical principles in real-world scenarios, emphasizing the relevance of geometry within the Number system.
Related videos
Mrs STROLE
Unit1: complex number system (HonAlg)
Magnet Brains
Rational Numbers - Introduction/Concepts & Examples | Class 8 Maths Chapter 1 (2022-23)
Next Toppers
AARAMBH BATCH Maths - 1st Class FREE | Real Numbers - Lecture 1 | Class 10th
BYJU'S - Class 9 & 10
Number System Class 9 Maths One-Shot Full Chapter Revision | CBSE Class 9 Exams |BYJU'S Class 9 & 10
Shobhit Nirwan - 9th
Polynomials Class 9 in One Shot π₯ | Class 9 Maths Chapter 2 Complete Lecture | Shobhit Nirwan