Rational numbers class 9th

All about real numbers

1. REAL NUMBERS
(as opposed to fake numbers?)

2. Two Kinds of Real Numbers
•Rational Numbers
•Irrational Numbers

3. Two Kinds of Real Numbers
•Rational Numbers
•Irrational Numbers

4. Rational Numbers
•A rational number is a real
number that can be written
as a ratio of two integers.
•A rational number written in
decimal form is terminating
or repeating.

5. Examples of Rational
Numbers
•16
•1/2
•3.56
•-8
•1.3333…
•- 3/4

6. Irrational Numbers
•An irrational number is a
number that cannot be
written as a ratio of two
integers.
•Irrational numbers written as
decimals are non-terminating
and non-repeating.

7. Examples of Irrational
Numbers
•Square roots of
non-perfect
“squares”
•Pi
17

8. Integers
One of the subsets of rational
numbers

9. What are integers?
•Integers are the whole numbers and their
opposites.
•Examples of integers are
6
-12
0
186
-934

10. •Integers are rational numbers
because they can be written as
fraction with 1 as the denominator.

11. Prepared By: Sanyam Gandotra
Class: VIII
Roll NO. 32
(Kendriya Vidyalaya Jyotipuram)