Variables and Expressions (1-2 Math 8)

True or False.

An algebraic expression does not have an equal sign.

• True

• False

In this expression what is the variable? 
5 + y 

• q
• +
• 5
• y

Tags

CCSS.6.EE.A.2B

A variable represents what is ______________. 

• the answer
• the operation
• the difference
• unknown 

Tags

CCSS.6.EE.B.6

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

• n
• +
• 6
• =

Tags

CCSS.6.EE.A.2B

Evaluate the expression if a=3 and b=4.
ab ÷ 3

• 11
• 4
• 3
• 1

Tags

CCSS.6.EE.A.2C

Evaluate the expression if a=3 and b=4.
2a + 8

• 31
• 14
• 16
• 12

Tags

CCSS.6.EE.A.2C

Evaluate the expression when x = 10

(x + 2) ÷ 6

• 4

• 10

• 5.66

• 2

Tags

CCSS.6.EE.A.2C

What are the variables in 3x + y

• 3x

• x,y

• x

• y

Tags

CCSS.6.EE.A.2B

To replace variables with values and then simplify using the order of operations

• term

• expression

• evaluate

• constant

Tags

CCSS.6.EE.A.2C

Evaluate expression if a=3 and b=4

4b-5a

• 2

• 1

• -8

• 8

Tags

CCSS.6.EE.A.2C