6th grade Area unit review

Area Formulas

100

What is the area formula for a rectangle?

A = bh

200

What is the area formula for a parallelogram?

A = bh

300

How do you find the area of a triangle?

A=1/2bh

400

What is the formula for the area of a trapezoid?

A = 1/2h(b1+b2)

500

How do you find the Area of a Composite Figure?

Split it into smaller figures with known formulas, then add them together at the end.

Find the Area

100

Find the area of the rectangle with a base of 8cm and a height of 5 cm.

A = 40cm²

200

Find the area of a square that has a side length of 12ft.

A= 144ft²

300

Find the area of a right triangle with one side length 13ft, and the height of 4ft.

A=26ft²

400

Find the area of a triangle if it has a base of 6m, a side of 5m and a height of 8m.

A=24m²

500

Find the area of a trapezoid with bases of 6 in and 8 in and height of 3in.

A=21in²

Units

100

Which of the following examples would be used to describe an Area?

cm          cm¹          cm²          cm³

cm²

200

How many unit dimensions is a perimeter measured in?

1

300

Although we did not do it yet this chapter, in the next one, Volume would be represented in how many dimensions?

3

400

If you are given the Area and the base, and the question asks you to find the height in meters, what would you label your answer when you find it?

m

500

If you are given both bases and the height of a trapezoid, and the question asks you to find the Area in miles, what would you label your answer when you find it?

mi²

Story Problems

100

The classroom is getting new pink carpet. If the room has a length of 20ft and a width of 20ft, how much carpet will the room need?

The room will need 400ft² of carpet.

200

The area of a square is 36 cm². What is the length of a side?

6 cm

300

Mary needs to plant grass in her backyard. Her backyard is 36 ft wide and 60 ft long. What is the area of ground that needs grass?

2160ft²

400

Mr. Fish has a bald spot on his head of 2cm by 1.5cm. What is the total area of Mr. Fish's bald spot?

3cm²

500

Cory needs to carpet his bedroom. His bedroom is 12 ft by 14 ft. Carpet costs $3 per square foot. How much will it cost total?

$504

Miscellaneous

100

If you change the dimensions of a triangle by 2x, what what will the perimeter change by?

2x

200

Define Composite Figure

More than 1 shape combined into 1

300

If you change the dimensions of a parallelogram by 3x, what what will the area change by?

3² = 9 times

400

Draw a coordinate plane. Label it with the x and y axis, as well as the positive and negative numbers up to 3 in each direction. (You do not need to label the quadrants)

See Pictures

500

Define Polygon. 

3 or more, straight sides, closed.