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Ex 1.1,3 - Chapter 1 Class 9 Number Systems (Term 1)
Last updated at March 16, 2017 by Teachoo
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
Transcript
Ex1.1, 3 Find five rational numbers between 3/5 and 4/5 . As we have to find 5 rational numbers, we multiply the numbers by 6/6 3/5 = 3/5 × 6/6 4/5 = 4/5 × 6/6 Therefore, 5 rational numbers between 3/5 and 4/5 (i.e. 18/30 & 24/30 ) are 19/30 , 20/30, 21/30, 22/30, 23/30
