Ex 1.4, 1 - Chapter 1 Class 9 Number Systems (Term 1)
Last updated at Sept. 10, 2020 by Teachoo
Chapter 1 Class 9 Number Systems (Term 1)
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
Transcript
Visualise 3.765 on the number line using successive magnification. 3.765 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
