Lesson 3: Area of Triangles
Duration of Days: 4
Lesson Objective
Find the area of triangles
Show that a triangle is half of a parallelogram
What are the properties of polygons, and how do they differ from other shapes like circles?
How can we find the area and perimeter of two-dimensional shapes, including irregular ones?
How does measurement help you solve problems in everyday life?
congruent
6.G.A.1
Using a model, show students various examples of how a parallelogram can be cut into two congruent triangles, each having half the area of the parallelogram. Move to teaching that the area of a triangle is 1/2 base x height. DOK 1-3
paper models, geoboards or online manipulatives
Classwork/Homework
Formative Assessment
Exit Tickets