Formulas
Area of Rectangles
Area of Triangles
Area of Parallelograms
Area of Trapezoids
100

What is the area formula for rectangles?

L x W

100

Halloween Question

Where did Halloween originate?

Scotland/Ireland

100

The area of a triangle with a base of 8 inches and a height of 10 inches.

A=40 in2

100

The area of a parallelogram with a base of 3 meters and a height of 12 meters.

A=36 meters2

100

The area of the trapezoid.

A=66 ft2

200

What is the area formula for triangles?

(B x H)/2

200

The area of the rectangle.

A=176 cm2

200

The area of a triangle with a base of 1 cm and a height of 1 cm.

A=0.5 cm2

200

Halloween Question

Are pumpkins technically a fruit or a vegetable?

They are a fruit

200

The area of a trapezoid. 

A=176 cm2

300

What is the area formula for parallelograms?

B x H

300

How would you define a "parallelogram"?

a parallelogram is a quadrilateral with two pairs of parallel sides

300

The area of the triangle.

A=56 in2

300

The area of this parallelogram.

A=322 ft2

300

Halloween Question

What Arizona city shares its name with something you'd find in a graveyard?

Tombstone

400

What is the area formula for trapezoids?

(B1 + B2) x h 

400

Solve the equation:   8x=256

x=32

400

Halloween Question

What city in the United States is known as "Witchcraft Central"? 

Salem, Massachusetts

400

The area of this parallelogram.

A=468 in2

400

How would you define perpendicular lines? Also draw a picture.

Two lines that intersect at a right angle (90 degrees)

500

Find the area of this irregular polygon

333 in2

500

The area of a rectangle with a length of 25.8 mm and a width of 19.3 mm.

A=497.94 mm2

500

Triangle PQR is a section of a ball field. Find the area. 

A=156 ft2

500

The area of parallelogram EFGH is 207 square inches. It's height is 9 inches. Find the base GH. 

base = 23 inches

500

The area of the trapezoid. 

A=19.8 in2

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