Formulas
Perimeter of Parallelograms
Area of Parallelograms
Triangles
Trapezoids
100
The formula for the area of a rectangle.
What is length times width or base times height?
100

Find the perimeter of a square with side length 6 ft.

What is 24 feet?

100

Find the area of a square with side length 4 cm.

What is 16 square cm?

100

Find the area of a triangle: 

B = 5mm

H = 3mm

7.5 mm2

100
The perimeter of a trapezoid with side lengths 12, 8, 6 and 7 cm
What is 33 cm?
200

How do you find the height of a shape?

The 90 degree angle/corner

200

Find the perimeter of a rectangle with side lengths 4 feet and 7 feet

What is 22 feet?

200

Find the area of a parallelogram with base of 4m and height of 8 m.

What is 32 square meters?

200

Find the area of a right triangle with a height of 18 cm and a base of 30 cm.

What is 270 cm?

200

The area of the trapezoid. 

b1 = 3m

b2 = 2m

H = 8m

20m squared

300

The formula for the perimeter of a parallelogram

Add up all the sides


300

Find the perimeter of a parallelogram with side lengths 5 cm and 10 cm.

What is 30 cm?

300

Find the side length of a rectangle with an area of 20 square meters and one side length of 5 m.

What is 4 m?

300

Find the area of a triangle with a base and height of 10 ft.

What is 50 square ft?

300

Area of the trapeziod.

b1 = 8 ft

b2 = 4ft

H = 3ft

18ft squared

400

The formula for the area of a trapezoid.

(b1 + b2) x h / 2

400

Find the perimeter of a rectangle with side lengths 3 inches and 8 inches.

What is 22 in?

400

Find the length of the base of a rectangle if the height is 12 ft and the area is 14.4 square feet.

What is 1.2 ft?

400

Find the missing side length of a triangle with a base 4 cm and an area of 12 square cm.

What is 6 cm?

400

How do you know which sides are the bases on a trapezoid?

They are parallel

500

What is the formula for a triangle?

What is 1/2 hb

500

Find the side length of a square with a perimeter of 80 feet.

What is 20 feet?

500

Find the area of the parallelogram with a base of 2.5cm and a height of 6cm.

15.0 cm squared
500

Area of a triangle. 

H = 8.4ft

B = 12ft  

50.4 ft squared

500

Area of the trapezoid. 

b1 = 6cm

b2 = 3cm

H = 4.2cm

18.9 cm squared

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