Parts of an expression

Parts of an expression

Obective: To identify parts of an algebraic expression

Multiple Choice

What makes an algebraic expression?

• There is more than one operation

• There are variables (letters)

• There are only numbers

Parts of an Algebraic Expression

• Algebraic Expression- a math expression that has one variable and 

  one operation

  
  

  
  

  
  

  
  

  
  

  
  

  
  

  
  

Multiple Choice

Which of the following is an agebraic expression?

• 9 + 5

• b

• 4s +7

Variable- a letter or symbol that represents an unknown quantity.  

ex: b, r, x, j

Multiple Choice

What is the variable in the following expression?

9z +12

• 9

• Z

• +

• 12

Coefficient- the number that is multiplied by the variable

9y - 8 9 is the coeffiecent

Fill in the Blank

Name the coefficient in the following expression:

8y +10

Term- Parts of an expression that are separated by an addition and subtraction sign

Ex.

18y + 24 -17w (3 terms)

Multiple Choice

How many terms does the expression have?

3y+14z-15+z

• 2

• 3

• 4

• 5

Constant-

A number that is its own term (no variable)

Fill in the Blank

What is the constant?

6z + 13- b

Fill in the Blank

How many terms?

 $6y\ +\ 28\div4\ +\ 9n$  

Fill in the Blank

What is the constant

5v-25

Fill in the Blank

What is the variable

5v-25

Fill in the Blank

What is the coefficent

5v-25