Expressions Review

Match the following

• three less five times a number

• 5n - 3

• three less than five times a number

• 5 - 3n

• five less than three times a number

• 3n - 5

• five minus three times a number

• 3 - 5n

Answer explanation

"Less than" always goes to the end

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.4

CCSS.6.EE.A.3

Mark brought $30 to a baseball game. He bought 2 drinks while at the game. Mark set up an expression to model his situation, where d represents the cost of a drink.​ (a)  

• 30-2d
• 2d-30
• 30d-2
• 2-30d

Answer explanation

Total minus drinks

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Label the parts of the expressions

b

c

d

a

term

variable

constant

coefficient

Tags

CCSS.6.EE.A.2

Which expression has like terms?

• 6r+4s

• 6x-4z

• 16y+6y

• 6r-6

Tags

CCSS.6.EE.A.2

Lee rents a machine to clean the carpet in his house. Lee uses the expression below to find the total cost, in dollars, for renting the machine; in the expression, h represents the number of hours Lee rents a machine.

16 + 18h

How much should it cost Lee to clean his carpet if he rents a machine for 9 hours?

Mathematical Equivalence

ON

Tags

CCSS.6.EE.A.2

Marcia’s cost, in dollars, to wash her car can be calculated using the expression below, where m represents the number of minutes the car wash will run.

0.25m + 1.50

What is the total cost for Marcia to wash her car for 20 minutes?

​ (a)  

• 6.50
• 3.50
• 5.00
• 7.00

Answer explanation

Use substitution

Plug in the number of minutes

Don't forget when there is no symbol we MULTIPLY!

Tags

CCSS.6.EE.A.2

If x=4, what is the value of x²-2x?

(a)  

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.1

The table shows x- and y-values for the equation y=3x-1

Which number is missing in the table?

​ (a)  

• 23
• 15
• 20
• 37

Tags

CCSS.6.EE.C.9

Which expression represents the perimeter of the rectangle below?

• 4x + 4

• 4x + 8

• 8x + 8

• 8x + 16

Tags

CCSS.6.EE.A.2

Match the following equivalent expressions

• 23x + 62

• 3(9x + 4y) + 8

• 5(4x + 12) + 3x + 2

• (5 × 24) − (5 × 9)

• 14x + 18y

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4