This resource is a great introduction to Area of a Triangle. It introduces the concept of the area of a triangle being half of the area of a rectangle, so it is best if students have the understanding of area of a rectangle first. The formula introduced in this resource is Area = (base x height) / 2. - This is a student activity (interactive notebook style). Students could work through independently, whole class, or in a small group. This resource includes: - title slide - step-by-step instruct