Curated OER
Triangle Exterior Angles Theorem
Students identify the measure of missing exterior angles. In this geometry instructional activity,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make...
Curated OER
Perimeter and Area
Sixth graders explore the relationship between area and perimeter of rectangles. In this area and perimeter lesson, 6th graders measure and determine perimeter and area of various rectangles. Students create rectangles with given areas...
Curated OER
Castles
Students create a scale model to a castle using the dimensions they were given. They calculate the surface areas and volumes of each section of their castle.
Alabama Learning Exchange
Alex: Ellipse
This lesson is designed for an Algebra II through Pre-Calculus classes and introduces the conic section- an ellipse. In this lesson students explore an ellipse, the set of points in a plane such that the sum of the distances from each...
CK-12 Foundation
Ck 12: Analysis: Dot Products
[Free Registration/Login may be required to access all resource tools.] In this lesson students are calculating dot products of vector quantities. Students examine guided notes, review guided practice, watch instructional videos and...