Expressions and Variables

An algebraic expression must have a number (constant), a variable, and an ________________.

• letter
• solution
• operation
• equal sign

In this expression what is the variable? 
5 + y 

• q
• +
• 5
• y

An equation must have a/an ______________. 

• answer
• equal sign
• variable
• product

True or Flase.
An algebraic expression does not have an equal sign. 

• True
• False

What is the operation in this equation?
y - 2 = 8

• addition (+)
• subtraction (-) 
• multiplication (x)
• division ( / ) 

A variable represents what is ______________. 

• the answer
• the operation
• the difference
• unknown 

The number or constant in this is expression is ____ ? 
6 + n 

• n
• +
• 6
• =

Translate the algebraic expression into words.
y + 10

• 10 less than a number
• a number plus 10
• the product of a number and 10
• the difference between 10 and a number

Which expression matches the phrase:
3 times a number

• 3+y
• 3y
• 6 + 3y
• 3 - y 

Which expression matches the phrase: 
7 less than a number

• 7/n
• n-7
• 7n
• n + 7