Parts of an Expression

Parts of an Expression

Coefficient

The number in front of a variable (letter)

Parts of an Expression

Constant

The number without a variable

Parts of an Expression

Variable

A letter that stands for an unknown number

Parts of an Expression

Terms

Separated by addition and subtraction symbols

Multiple Choice

How many terms are in the following expression?

8x + 10y - 4

• 5

• 2

• 3

Match

Match the following expressions to their number of terms

• 8x + 9y

• 15 - 2y + 8b

• 8r

• 8r + 6n - 4z + 19

2

3

1

4

• 2

• 3

• 1

• 4

Multiple Choice

Are there any like terms in the expression?

4y + 18 - 2y

• yes

• no

Math Response

Combine the like terms

5x + 2y - 3x + 4y

Type answer here

Correct Answer: 2x+6y

Deg^°

Rad

Math Response

Use the distributive property

5(2x +4)

Type answer here

Correct Answer: 10x+20

Deg^°

Rad

Match

Match the following the property with the example

• Commutative

• Associative

• Distributive

• Identity of Addition

• Inverse of Addition

5 + 3 = 3 + 5

(5+3) +2 = (2+3)+5

2(3x-4)=6x-8

5 + 0 = 5

5 + -

• 5 + 3 = 3 + 5

• (5+3) +2 = (2+3)+5

• 2(3x-4)=6x-8

• 5 + 0 = 5

• 5 + -

​Constant

A number without any variables

Variable

Letter that stands for unknown numbers

Term

Separated by addition and subtraction symbols

Match

Match the following for the following expression

8x + 10y - 4

• Coefficient

• Constant

• Variable

• Coefficient

• Variable

8

x

10

y

-4

• 8

• x

• 10

• y

• -4