Area of Parallelograms and Trapezoids on the Coordinate Plane

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Description Area of Parallelograms and Trapezoids on the Coordinate Plane

After this lesson, you will be able to find the area of two kinds of shapes on the coordinate plane.

The lesson begins by teaching how area formulas can be used for shapes on the coordinate plane, by using coordinates or counting to determine lengths. The lesson concludes with a reminder that composition and decomposition are also great strategies for finding areas on the coordinate plane.

Learn about areas on the coordinate plane by building a glider for Prince Icarus!

This video includes key concepts, notation, and vocabulary such as: the area formula for a parallelogram, and the area formula for a trapezoid.

Before watching this video, you should already be familiar with the formulas for the areas of parallelograms and trapezoids, and how to use composition and decomposition to find the areas of shapes. You should also know how to use subtraction to calculate lengths of vertical and horizontal line segments on the coordinate plane.

After watching this video, you will be prepared to learn how to determine the areas and perimeters of other polygons on the coordinate plane.

Common Core Standard(s) in focus: 7.G.B.4, 7.G.B.6 A video intended for math students in the 8th grade Recommended for students who are 13 - 14 years old