Expressions Review

Apply the order of operations and choose the correct answer:
30 + (16/2)

• 38

• 23

• 44

Which operation would you do first in the following equation?
10 - 4 ÷ 1 · 5

• Subtraction

• Division

• Multiplication

• Addition 

7 - 9 ÷ 9

• 18

• 6

• 1

• 3

Which expression represents how much Hannah charges?

• 12.25n

• 6.50 + 5.75n

• 6.50n + 5.75

• 6.50n + 5.50n

Write an expression that represents the perimeter of the triangle shown in the image.

Which expressions can be used to determine the area, in square feet, of this figure?

• B and C

• C and E

• A and C

• A and E

• B,C and D

Select the expression that is equivalent to 48 + 12.

• 6(8+6)

• 12(4+1)

• 4(44 + 3)

• 8(6+4)

Simplify.

6(2x + 3y) + 3(x - y)

• 12x + 15y

• 15x + 15y

• 12x - 13y

• 9x

Using the formula given in the image, what is the surface area of a cube with sides that are 1/4 inch long?

• 5 + 15h

• 10h

• 15 + 5h

• 20h