Learn All Concepts of Chapter 1 Class 9 - FREE. Check - Chapter 1 Class 9 Maths

Last updated at April 29, 2020 by Teachoo

Transcript

Ex 1.4, 1 Visualise 3.765 on the number line using successive magnification. Here, we follw these steps. 1. We draw number line from 3 to 4 with markings as 3.1, 3.2, 3.3, .... 2. Then we draw number line from 3.7 to 3.8, with markings as 3.71, 3.72, 3.73, 3.74, 3.75, .... 3. Then we draw number line from 3.76 to 3.77, with markings as 3.761, 3.762, 3.763, 3.764, 3.765, .... And we can now mark 3.765

Real numbers on a number line

Chapter 1 Class 9 Number Systems

Concept wise

- Rational numbers - Definition
- Finding rational number between two numbers
- Irrational Numbers
- Simplifying real numbers
- Rationalising
- Laws of exponents
- Finding decimal expansion
- Expressing decimal in p/q
- Classifiying rational/irrational
- Finding irrational numbers b/w two numbers
- Real numbers on a number line

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.