PPT: Algebraic Expressions | Mathematics (Maths) Class 7 PDF Download

 Page 1


Suppose you have boxes of apples and oranges
for which you do not know the exact quantities.
How will you simply express the total number of
fruits?
Page 2


Suppose you have boxes of apples and oranges
for which you do not know the exact quantities.
How will you simply express the total number of
fruits?
 Algebraic 
Expressions
G R A D E 7 M A T H E M A T I C S
Page 3


Suppose you have boxes of apples and oranges
for which you do not know the exact quantities.
How will you simply express the total number of
fruits?
 Algebraic 
Expressions
G R A D E 7 M A T H E M A T I C S
Understanding Algebraic Expressions
Expressions that contain only constants are called numeric
or arithmetic expressions. Expressions that contain
constants and variables, or just variables, are called
algebraic expressions.
Page 4


Suppose you have boxes of apples and oranges
for which you do not know the exact quantities.
How will you simply express the total number of
fruits?
 Algebraic 
Expressions
G R A D E 7 M A T H E M A T I C S
Understanding Algebraic Expressions
Expressions that contain only constants are called numeric
or arithmetic expressions. Expressions that contain
constants and variables, or just variables, are called
algebraic expressions.
Terms of an Expression
Parts of an expression that are formed separately and
then added (or subtracted) are called terms.
Page 5


Suppose you have boxes of apples and oranges
for which you do not know the exact quantities.
How will you simply express the total number of
fruits?
 Algebraic 
Expressions
G R A D E 7 M A T H E M A T I C S
Understanding Algebraic Expressions
Expressions that contain only constants are called numeric
or arithmetic expressions. Expressions that contain
constants and variables, or just variables, are called
algebraic expressions.
Terms of an Expression
Parts of an expression that are formed separately and
then added (or subtracted) are called terms.
Terms of an Expression
Factors of a term
Terms are often products of factors.