Instructional Video3:32
Curated Video

Finding the Area of a Parallelogram by Decomposing into a Rectangle

K - 5th
This video emphasizes the importance of multiplying the length and width to find the area of a rectangle, rather than mistakenly multiplying two sides of a parallelogram. The lesson also highlights the need for the height to be...
Instructional Video3:59
Curated Video

Finding the Area of a Right Triangle by Composing a Rectangle

K - 5th
In this video lesson, students learn how to find the area of a right triangle by composing a rectangle. The teacher explains the concept of a right triangle being half of a rectangle and demonstrates how to find the area of a triangle by...
Instructional Video4:42
Curated Video

Finding the Area of Trapezoids by Composing a Parallelogram

K - 5th
In this video, we demonstrate how to find the area of a trapezoid using parallelograms. We emphasize the importance of remembering to find the area of the original trapezoid after decomposing it.
Instructional Video5:33
Curated Video

Finding the Area of Polygons by Decomposing

K - 5th
In this video, the teacher explains how to find the area of polygons by breaking them down into familiar shapes such as triangles, rectangles, parallelograms, and trapezoids.
Instructional Video
Sophia Learning

Sophia: Calculating the Area of a Rectangle

9th - 10th Standards
In this video tutorial, the instructor demonstrates how to determine how to calculate the area of a rectangle and assess knowledge with a quiz. [3:01]