Study Guide Unit 2A: Expressions & Equations (STA)

1

Consider the expression below.


Distribute!
_______ 
Combine!
_______ 

1

Solve the following equation:

1

Ms. Dolinski wants to go shopping! The jeans she wants to buy cost $25, and it’s $7.50 per t-shirt. If Ms. Dolinski brought $55 to the mall, how many t-shirts 'x' can she buy? 

Write an equation that can be used to solve for the t-shirts 'x' Ms. Dolinski can buy?
_______ 
Solve the equation to figure out how many t-shirts she bought.
_______ 

1

A rectangle has a length of (4x + 7) centimeters and a width of 1/4x centimeters.

Write a simplified expression that represents the perimeter of the rectangle.

1

A rectangle has a length of (4x + 7) centimeters and a width of 1/4x centimeters.

If the perimeter of the rectangle is 48 centimeters, what is the value of 'x'? (Use your expression from #4)

1

Select ALL expressions that are equivalent to the following expression:

1

Ms. Dolinski is trying to fill her garden bed with soil. In order to know how much soil can go into the garden bed, she needs to solve for the area of her garden bed.

Write a simplified expression that Ms. Dolinski could use to solve for the area.

1

You and three friends head over to the local sandwich shop in your city. The menu of prices are posted below:

Write a simplified expression that would represent the cost of buying a sandwich for each of you, two ice creams, and four drinks.

1

You and three friends head over to the local sandwich shop in your city. The menu of prices are posted below:

Using the simplified expression from #8, find the value of ‘x’ if the total cost of the meal was $78.

1

Ms. Faahs wrote the following equation on the board:

What is the solution to the equation? Show your work.

1

Ms. Murrieta solved the following problem on the board. Some students in the class noticed her mistake. Find her mistake and resolve to find the correct answer.


What is Ms. Murrieta's mistake? __________
What is the value of x? __________

Solve the following equation:

A rectangle has a length of (4x + 7) centimeters and a width of 1/4x centimeters.Write a simplified expression that represents the perimeter of the rectangle.

A rectangle has a length of (4x + 7) centimeters and a width of 1/4x centimeters.If the perimeter of the rectangle is 48 centimeters, what is the value of 'x'? (Use your expression from #4)

Select ALL expressions that are equivalent to the following expression:

Ms. Dolinski is trying to fill her garden bed with soil. In order to know how much soil can go into the garden bed, she needs to solve for the area of her garden bed.Write a simplified expression that Ms. Dolinski could use to solve for the area.

You and three friends head over to the local sandwich shop in your city. The menu of prices are posted below:Write a simplified expression that would represent the cost of buying a sandwich for each of you, two ice creams, and four drinks.

You and three friends head over to the local sandwich shop in your city. The menu of prices are posted below:Using the simplified expression from #8, find the value of ‘x’ if the total cost of the meal was $78.

Ms. Faahs wrote the following equation on the board: What is the solution to the equation? Show your work.

A rectangle has a length of (4x + 7) centimeters and a width of 1/4x centimeters.

Write a simplified expression that represents the perimeter of the rectangle.

A rectangle has a length of (4x + 7) centimeters and a width of 1/4x centimeters.

If the perimeter of the rectangle is 48 centimeters, what is the value of 'x'? (Use your expression from #4)

Ms. Dolinski is trying to fill her garden bed with soil. In order to know how much soil can go into the garden bed, she needs to solve for the area of her garden bed.

Write a simplified expression that Ms. Dolinski could use to solve for the area.

You and three friends head over to the local sandwich shop in your city. The menu of prices are posted below:

Write a simplified expression that would represent the cost of buying a sandwich for each of you, two ice creams, and four drinks.

You and three friends head over to the local sandwich shop in your city. The menu of prices are posted below:

Using the simplified expression from #8, find the value of ‘x’ if the total cost of the meal was $78.

Ms. Faahs wrote the following equation on the board:

What is the solution to the equation? Show your work.