Basic Algebra Vocabulary

Basic Algebra Vocabulary

In algebra a variable is an unknown quantity

• It is often represented by a letter

Fill in the Blank

What is the variable in

 $6+x$  

Fill in the Blank

What is the variable in

 $y\ -\ 9$  

Fill in the Blank

What is the variable in

 $8z$  

Fill in the Blank

What is the variable in

 $\frac{16}{x}$  

A constant is a quantity with a value that does not change.

• It is usually represented by a number

• Example :

   $6+x$  

• The constant is 6

Fill in the Blank

What is the constant in

 $4+n$  

Fill in the Blank

What is the constant in

 $d-9$  

Fill in the Blank

What is the constant in

 $2-m$  

Fill in the Blank

What is the constant in

 $5+a$  

An algebraic expression is a mathematical phrase containing at least one variable and one operation

• A numerical expression does NOT contain a variable

Multiple Choice

Is this problem a numeric or algebraic expression?

 $5x$  

• Numerical

• Algebraic

Multiple Choice

Is this problem numerical or algebraic?

 $5+7$  

• Numeric

• Algebraic

Multiple Choice

Is this expression numerical or algebraic?

 $2\ +\frac{x}{4}$  

• numerical

• algebraic 

The fours operations are

• Addition

• Subtraction

• Multiplication

• Division

Multiple Choice

What operation is being used?

 $y-3$  

• addition

• subtraction

• multiplication

• division

Multiple Choice

What operation is being used?

 $6m$  

• addition

• subtraction

• multiplication

• division

Multiple Choice

What operation is being used?

 $7+n$  

• addition

• subtraction

• multiplication

• division

Multiple Choice

What operation is being used?

 $\frac{9}{b}$  

• addition

• subtraction

• multiplication

• division

An equation is a mathematical statement that uses an equal sign to show that two or more expressions are equal

•  $2x+2=8$  

•  $4+3=3+4$  

Multiple Choice

Is the following an equation or an expression?

 $9-n\equiv15$  

• Equation

• Expression

Multiple Choice

Is the following an equation or an expression?

 $\frac{9}{b}$  

• Equation

• Expression

Multiple Choice

Is the following an equation or an expression?

 $2c=4$  

• Equation

• Expression

Multiple Choice

Is the following an equation or an expression?

 $8+a$  

• Equation

• Expression