This Adding It All Up lesson plan also includes:
Analyze patterns to create a formula for the interior angle sum of polygons. Youth begin by drawing and triangulating polygons. They then record the number of triangles, number of sides, and total angle measures to help create their formulas.
- Review polygon vocabulary prior to the activity
- Encourage pupils to create their own formulas; compare and contrast the unique formulas
- Gather the necessary materials prior to the activity
- Includes an answer key
- Provides questioning strategies to use throughout the activity