Summary Maths Formula Booklet for Class 9 by Shobit Nirman

CLASS 9th
Mathematics


FORMULA
SHEET

, -.............




Number System
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Natural Numbers: called natural
All
counting numbers are
=>




numbers.
31,2,3,4 - - -
3

=> Whole Numbers: Natural numbers along with a form
the collection of whole number.
40,1,2,3 ---3

④ Every natural number is whole number but every
whole number is notnatural number.
As O- whole number but not natural no.




The natural
=>
Integers: numbers,
and zero
negative of
all natural numbers form the collection all integers.
of

S----3, -2,-1,0,1,2,3, ---
3

-

Rational Numbers: The numbers which can be expressed
in the form a,
of where
panda are
integers and
970, are called rational numbers.



egi,
*
=
I E 5y =


=
= --- are called
rational
equivalent
nos.