Formulas
Area of Parallelograms
Area of Triangles
Area of Trapezoids
Challenge
Coordinate Plane
100
TRUE OR FALSE: The correct way to label units for area is cubed units or units3.
FALSE: Area is always labeled with square units or units2.
100
Find area of a parallelogram with a height of 5 meters and a base of 62 meters.
310 m2
100
Find the area of Triangle PQR.
156 ft2
100
Find the area of the trapezoid.
741 ft2
100
A Triangle has an Area of 60in2. The Base of the triangle is 10in. What is the height?
12 Inches
100
Plot the following shape in a Coordinate Plane.
A(1,2), B(3,5), C(6,3)
Check Student Answer
200
This formula can be used to find the area of a parallelogram.
A=bh
200
Find the area of a parallelogram with a base of 3 meters and a height of 12 meters.
36 m2
200
Find the area of a triangle with a base of 8 inches and a height of 10 inches.
40 in2
200
Find the area of the trapezoid.
66 ft2
200
Find the area of the composite figure.
136 cm2
200
Plot the following Shape in a Coordinate Plane.
M(2,4), N(5,4), O(5,7), P(2,7)
Check Student Answer
300
This formula is used to find the area of a triangle.
1/2bh
300
Find the area of this parallelogram.
468 in2
300
Find the area of a triangle with a base of 12 cm and a height of 7 cm.
42 cm2
300
Find the area of the trapezoid. 
176 cm2
300
Find the area of the shaded part of the figure.
106 m2
300
Find the Perimeter and Area of the Following Shape.
(2,4)(2,6)(5,6)(5,4)
P = 10 units
A = 6 units2
400
This formula is used to calculate the area of a trapezoid.
A=1/2 h (b_1+b_2)
400
Find the area of this parallelogram.
322 ft2
400
Find the area of the triangle shown.
56 in2
400
Find the area of the trapezoid.
63 m2
400
Find the area of the composite figure.
412.5 in2
400
Find the Area and Perimeter of the Following Shape
(18,7)(18,6)(15,6)(15,7)
P = 8 units
A = 3 units2
500
Describe how to find the area of a composite shape.
- Divide the shape into simpler shapes for which you know how to calculate the area (triangles, rectangles, trapezoids, etc)
- Find the measurements of each simpler shape (ex: missing side lengths).
- Calculate the the area of each simpler shape.
- Add up the areas of these simpler shapes.
500
The area of parallelogram is 207 in2. Its height is 9in. inches. Find the base.
23 in
500
Find the area of a triangle with a base of 125.54 cm and a height of 23 cm.
1443.71 cm2
500
Find the area of the trapezoid. 
19.8 in2
500
Find the area of the composite figure.
1,344 ft2
500
Find the Perimeter and Area of the Following Shape.
(100,200)(100,245)(315,245)(315,200)
P = 520 units
A = 9675 units2