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Angles of Convex Polygons
Learners investigate the sum of the interior and exterior angles of any convex polygon, and determine a mathematical relationship between the number of sides and the sum of the interior angles of any convex n-gon.
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Lesson Plan: I Can Name That Angle in One Measure!
In this angle lesson, eighth and ninth graders explore angles made using parallel lines and a transversal. They identify the types of angles and the characteristics of each one. Puils create drawings that illustrate angle relationships...
8th - 9th Math
Properties of a Parallelogram
More than just a worksheet, the resource provides a thorough guide to navigate through the land of parallelograms. Filled with definitions and theorems, the resource supports learners through problems such as proofs and finding missing...
9th - 12th Math CCSS: Adaptable
Interior/Exterior Polygon Angles and Tessellations
Students discover the sum of the interior and exterior angles of several polygons. In this Geometers sketchpad lesson, students work in groups to find the stated measurements of triangles, quadrilaterals, pentagons and hexagons. Students...
9th - 11th Math
Sum of Exterior Angles of Polygons
Have fun calculating angles for different polygons. The class differentiate the relationship between the interior and exterior angles of polygons. They discuss linear pair as it related the polygons and their angles. This is done as they...
9th - 12th Math CCSS: Designed