Get solutions of all NCERT Questions of Chapter 1 Class 9 Number System free at teachoo. Answers to all NCERT Exercises and Examples are solved for your reference. Theory of concepts is also made for your easy understanding
In this chapter, we will learn
-
Different
Types of numbers
like Natural Numbers, Whole numbers, Integers, Rational numbers
-
How to
find rational numbers between two
rational numbers
-
What is an
irrational number
-
Checking if
number is
irrational or not
-
And how to draw an
irrational number on the number line
-
Then, we will study What a
real number
is
-
And find
Decimal expansions
- Terminating, Non terminating - repeating, Non terminating Non repeating
-
Converting
non-terminating repeating numbers
into p/q form
-
Finding
irrational numbers between two numbers
-
Representing
real numbers on the number line
(we use magnification)
-
We will learn how to
add
,
subtract
and
multiply
numbers with square root (like 5√2 + 3√3 - 8√2)
-
We will learn some
identities of numbers with square root
(like (√a + √b)
2
)
-
How to
rationalize
numbers
-
We will also do questions on
Law of Exponents
(here, the exponents can also be in fractions)
Click on an NCERT Exercise below to get started.
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