Evaluating, Simplifying and Writing Expressions

Choose ALL the expressions that are equivalent to 9(x-9)

• 8x+x-81

• 9x-81

• 10x-x-81

• 9x+82-1

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

Evaluate: x - r - (-1); when x = 1, and r = 7

• -5

• 8

• -7

The product of 13 and an unknown number g

Write the phrase as an expression:

12 less than the quotient of 4 and a number y

Write a simplified expression for the perimeter of the rectangle.

No spaces in your answer. Lowercase only.

Answer explanation

Perimeter is the walk-around distance. Add up all of the side lengths: $3x+3x+x+4+x+4=8x+8$

Which problems do you think you need the most support with?

• Q 1 & 2: Writing phrases as expressions

• Q 3 & 4: Evaluating expressions

• Q 5, 6, 8: Simplifying with Combining Like Terms

• Q 5, 6, 8: Simplifying with the Distributive Property

• Q 7: Writing an expression for a situation

18 + (6 – 2) × 2

• 26

• 29

• 44

• 40

Solve.
7 x [32 - (3 x 4)]

• 884

• 812

• 212

• 140