Study Online Arithmetic

Introduction

Arithmetic is a branch of mathematics, used by almost everyone, for tasks ranging from simple day-to-day counting and many other calculations.

Arithmetic involves the study of the result of combining numbers. It involves in following operation:

Operation                  Symbol

Addition                                +

Subtraction                             -

Multiplication                          X

Division                                     /


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Operations in arithmetic.


Addition

Addition is a mathematical operation that represents combining collections of objects and digits together into a larger collection. It is denoted by plus sign (+).Performing addition is one of the simplest numerical tasks. Addition is written using the plus sign "+" between the terms; that is, in infix notation. The result is expressed with an equals sign.

Example:Add 34 and 14

34+14=48

Addition of 34 and 14 so denoted by (+) sign and result is 48 so denoted by (=) sign

Subtraction

Subtraction is a one of four mathematical operations that represents difference of objects and digits together into a smaller collection. It is denoted by plus minus (-).Performing addition is one of the simplest numerical tasks. Subtraction is written using the plus sign "-" between the terms; that is, in infix notation. The result is expressed with a sign. It’s inverse of addition.

Example:Subtraction of 34 and 21

Given:34 and 21

34-21=13

Subtraction of 34 and 21 so denoted by (-) sign and result is 13 so denoted by (=) sign

The traditional names for the parts of the formula:

C − B= A

Where:C=minuend

B= subtrahend

A=difference

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Multiplication and division of arithmetic problems


Multiplication

Multiplication is the mathematical operation of scaling one number by another. It is one of the four basic operations in arithmetic. It multiplies one number with other and increases or doubles the number.

Denoted by symbol (X or *)

Now  we  study folowing example.

Example:Multiply 2 and 4?

Given: 2 and 4

4X2=8

Division

Mathematics, especially in elementary arithmetic, division is the arithmetic operation that is the inverse of multiplication.

Denoted by symbol (/ or ÷)

a/b=c

Note:b not equal to zero

In the above expression, a is called the dividend, b the divisor and c the quotient

Example:Divide 4 and 2

4/2=2