After calculating the area of rectangles and parallelograms on grid paper, we decided to calculate areas on a larger scale.

We found out that we could use a meter stick or count the tiles (each one is 1 square foot!) to calculate the area of the shapes.

Mrs. Toth uses her clipboard to assess the student's understanding of how to calculate the area of irregular shapes.

After finding the areas of the shapes in the hallway, the students write the rule for calculating the area of a triangle.

Rita shares what she's learned about finding the area of triangles.

Brandon begins the quiz to determine the area of the house minus the widow and door.

By the end of class Rita has completed her quiz.