Rice University
Rice University: Cynthia Lanius: Rectangle Pattern Challenges
Students use rectangles to explore patterns. Once they understand the concept, students can create their own patterns for others to explore.
PBS
Pbs Learning Media: Toothpicks: Patterns in Geometric Shapes
This interactive exercise focuses on determining probabilities associated with repeated coin tosses and building tree diagrams to take math out of the classroom and into the real world.