Home Renovations

How do you find the perimeter of any polygon?

• Add the length of all the sides

• Multiply the length and width

• Divide the total length by the number of sides

• Subtract the shortest side from the longest side

What does the area of a shape measure?

• The inside of a 3D shape

• The inside of a 2D shape

• The length of all the sides combined

• The distance around a 2D shape

Match each concept with the correct formula.

• Area of a rectangle with length L and width W

• Area of a square

• Area of a triangle

• Area of a parallelogram with base b and height h

• Area of a trapezoid

What is the first step in determining the total cost for materials of a home renovation project?

• Calculate the number of units of materials needed for coverage.

• Multiply the area by the cost per container.

• Calculate the total area or perimeter that needs to be covered.

• Round up the final number of units to the nearest whole number.

Why is it recommended to round up when calculating the number of units of materials needed?

• To ensure there is enough material for the project and extra for touch-ups.

• To save money on materials.

• To make the calculation easier.

• To use the materials more efficiently.

A home owner is painting an area of 1,200 square feet. Each can of paint covers 350 square feet.

How many cans of paint does the home owner need to purchase?

• 3 cans

• 4 cans

• 3.4 cans

• 5 cans

Answer explanation

You buy whole cans of paint.

Always round up to the nearest whole number.

Zuri is planning to paint nine walls.

The area of each wall is listed in the image.

What is the total area of all nine walls that Zuri calculated?

Zuri needs to cover a total of 608 square feet with paint.

Zuri plans on painting two coats.

Each can of paint covers 350 square feet.

How many cans of paint should Zuri purchase?

• 2 cans

• 3 cans

• 4 cans

• 5 cans

Zuri needs four gallons of paint.

Determine the total cost of the paint needed, if one gallon costs $50.00.

• $100.00

• $150.00

• $200.00

• $250.00

The floor plan of Lucas' bedroom is shown.

Lucas wants to get new flooring for the room.

What is the best way to describe the shape of Lucas' room?

• Simple shape

• Regular shape

• Composite shape

• Complex shape