Variables and Expressions

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Variables and Expressions - PowerPoint PPT Presentation

By Mr. Chancellor. Variables and Expressions. A variable is used to represent an unknown number or value. An algebraic expression combines numbers and variables with arithmetic operations. Variables and Expressions. Sum Plus More than Add In all Increase by total.

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Presentation Transcript
By Mr. Chancellor

Variables and Expressions

A variable is used to represent an unknown number or value.

An algebraic expression combines numbers and variables with arithmetic operations.

Variables and Expressions

Sum

Plus

More than

In all

Increase by

total

Variables and Expressions

+

Difference

Less than

Subtract

Minus

Decrease by

Variables and Expressions

-

Times

multiply

Each

Product

Of

X

Variables and Expressions
• Quotient
• Divided

Write an algebraic expression for:

“Eight less than the sum of the numbers m and n”

Variables and Expressions

Tips!!!

Use parenthesis or raised “ .” for multiplying not “ X .“

Don’t forget the Order of Operations (PEMDAS)

Variables and Expressions