Unit 2A Test: Expressions & Equations Big Idea 3 (S)

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Consider the expression below.

Which procedure correctly simplifies the expression?

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Solve the following equation:

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Anna is going to see a movie at the movie theater and plans to buy some snacks from the concession stand as well. The ticket for the movie costs $8, and it’s $1.50 per snack at the concession stand. If Anna brought $20 to the movie theater, how many snacks 'x' can she buy? 

What equation can be used to solve for the snacks 'x' Anna can buy?
__________

Solve the equation to figure out how many snacks she bought.
__________

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Use the following information for #4 and #5:

A rectangle has a length of (x + 3) centimeters and a width of 1/2x centimeters. If the perimeter is 24 centimeters?

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

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A rectangle has a length of (x + 3) centimeters and a width of 1/2x centimeters. If the perimeter is 26 centimeters?

If the perimeter of the rectangle is 26 centimeters, what is the value of x? (Use your expression from #4)

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Select ALL expressions that are equivalent to the following expression:

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Cindy was going to fill her bedroom with balloons for her birthday. She drew a sketch of
her room with the measurements labeled. In order to know how many balloons to buy,
she needs to solve for the area of her room.

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

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You and two friends head over to the local burger spot in your city. The menu of prices is posted below:

Write a simplified expression that would represent the cost of buying a burger for each of you, two fries, and three drinks.

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You and two friends head over to the local burger spot in your city. The menu of prices is posted below:

Using the simplified expression from #8, find the value of ‘x’ if the total cost of her meal was $48.

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Ms. Carey wrote the following equation on the board:

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

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

Consider the expression below.Which procedure correctly simplifies the expression?

Solve the following equation:

Use the following information for #4 and #5:A rectangle has a length of (x + 3) centimeters and a width of 1/2x centimeters. If the perimeter is 24 centimeters?Write a simplified expression that represents the perimeter of the rectangle.

A rectangle has a length of (x + 3) centimeters and a width of 1/2x centimeters. If the perimeter is 26 centimeters?If the perimeter of the rectangle is 26 centimeters, what is the value of x? (Use your expression from #4)

Select ALL expressions that are equivalent to the following expression:

Cindy was going to fill her bedroom with balloons for her birthday. She drew a sketch ofher room with the measurements labeled. In order to know how many balloons to buy,she needs to solve for the area of her room.Write a simplified expression that Cindy could use to solve for the area.

You and two friends head over to the local burger spot in your city. The menu of prices is posted below:Write a simplified expression that would represent the cost of buying a burger for each of you, two fries, and three drinks.

You and two friends head over to the local burger spot in your city. The menu of prices is posted below:Using the simplified expression from #8, find the value of ‘x’ if the total cost of her meal was $48.

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

Consider the expression below.

Which procedure correctly simplifies the expression?

Use the following information for #4 and #5:

A rectangle has a length of (x + 3) centimeters and a width of 1/2x centimeters. If the perimeter is 24 centimeters?

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

A rectangle has a length of (x + 3) centimeters and a width of 1/2x centimeters. If the perimeter is 26 centimeters?

If the perimeter of the rectangle is 26 centimeters, what is the value of x? (Use your expression from #4)

Cindy was going to fill her bedroom with balloons for her birthday. She drew a sketch of
her room with the measurements labeled. In order to know how many balloons to buy,
she needs to solve for the area of her room.

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

You and two friends head over to the local burger spot in your city. The menu of prices is posted below:

Write a simplified expression that would represent the cost of buying a burger for each of you, two fries, and three drinks.

You and two friends head over to the local burger spot in your city. The menu of prices is posted below:

Using the simplified expression from #8, find the value of ‘x’ if the total cost of her meal was $48.

Ms. Carey wrote the following equation on the board:

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