Finding the Area of a Polygon Using a Key to Count Square Tiles

The video tutorial teaches how to find the area of polygons using square tiles and keys. It explains the importance of using keys to interpret graphs and avoid common mistakes in area calculation. Through examples, it demonstrates how to calculate area by counting square tiles according to the key, emphasizing the need to check the key for accurate results. The tutorial concludes with a review of the key concepts covered.

What does the key in a graph indicate about the votes represented by each picture?

How do you count the votes for baseball if each picture represents 10 votes?

What is a common mistake when finding the area of a closed shape?

How can skip counting help in finding the area of a shape?

What is the area of the rectangle if each square tile represents 5 square units?