CLASS 9th
Mathematics
FORMULA
SHEET
, -.............
Number System
- . . . . . . . . . . . . . . . .
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.
Mathematics
FORMULA
SHEET
, -.............
Number System
- . . . . . . . . . . . . . . . .
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.
