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

Last updated at Sept. 5, 2020 by Teachoo

Transcript

Find 6 rational numbers between −2 and −3 As we have to find 6 rational numbers, we multiply the numbers by 7/7 −2 = −2 × 7/7 & −3 = −3 × 7/7 Thus, 6 Rational numbers between −2 & −3 are (−15)/7 , (−16)/7, (−17)/7, (−18)/7, (−19)/7, (−20)/7

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.