Finding the Area of a Rectangle Using the Distributive Property

This lesson teaches how to find the area of a rectangle using the distributive property. It begins with decomposing numbers to simplify calculations, followed by understanding the multiplication of rows and columns. The lesson then applies the distributive property to find the area and demonstrates solving the problem using different methods. The key takeaway is that different approaches can yield the same result, emphasizing the equivalence of various number sentences.

Explain how to decompose the number 14 into two parts for calculating the area of a rectangle.

Describe the process of finding the area of a rectangle when it is divided into two separate rectangles.

What is the distributive property and how is it used to find the area of a rectangle?

How can you represent the area of a rectangle using an expression with parentheses?

What is the total area of the rectangle if the blue part has an area of 20 square feet and the green part has an area of 15 square feet?