Lesson Plan
Willow Tree

Interior Angles, Exterior Angles, and Diagonals of Polygons

For Students 8th - 11th Standards
How does the number of sides of a polygon affect the angle measures? Learners recognize a pattern in finding the total measure of interior and exterior angles and the number of diagonals. They use the patterns to calculate...
Lesson Plan
West Contra Costa Unified School District

Sneaking Up on Slope

For Teachers 8th - 10th Standards
Pupils determine the pattern in collinear points in order to determine the next point in a sequence. Using the definition of slope, they practice using the slope formula, and finish the activity with three different ways to...
Handout
Wolfram Research

Wolfram Math World: Diagonal Matrix

For Students 9th - 10th Standards
This site gives a definition and examples of a diagonal matrix. The site also contains many links to other related Math World sites.
Handout
Geometry Help

Geometry Help: Squares

For Students 9th - 10th Standards
Explains the basic concept of a square with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Handout
Math Open Reference

Math Open Reference: Area of a Kite

For Students 9th - 10th
A complete reference guide to finding the area of a kite. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.