--» Mathematics: The counting of of numbers is called Mathematics .
*Digit : To represent counting 0,1,2,3,4,5,6,7,8 & 9 symbols are used .it is called digits.
Note : digit is only unit.
*Number : Combining of two or more digits then we get numbers.
Ex: 23,567,8932.
Here
number "23" is form by digits "2" & "3".
Numeral : Symbolic representation of numbers is called "Numeral".
Ex:
I
|
V
|
X
|
L
|
C
|
D
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M
|
1
|
5
|
10
|
50
|
100
|
500
|
1000
|
Place Value: Value of digit is contains according to its place.it is called place Value.
Ex: 1) In 210 the place Value of "2"is 200.because "2" is in the place of hundred.
2) In 120 the place Value of "2" is 20. because "2" is in the place of tens.
3) In 102 the place Value of "2" is only 2. because "2" is in the place of units.
Order of numbers:
1) Ascending order: Increasing order of numbers is called "ascending order".
Ex: 1<2<3<4<5<6.....
14<24<45<67<90
2) Descending order: Decreasing order of numbers is called descending order.
Ex: 7>6>5>4>3>2>1...
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