Patterns

Activity

Lesson plan(s)
Pattern Blocks Program  
Pascal's Triangle  

Making Patterns
Creating, Describing, and Analyzing Patterns to Recognize Relationships and Make Predictions

Color Patterns
Simple strings of colored dots - your students get to fill in the blanks. This one provides some feedback, but no hints

  
Pattern Blocks
Another pattern Blocks program. Unlike the first one in the list, this one does not do transformations in expected ways - however it is good for other pattern blocks activities.
 

Chairs
An applet that lets you explore linear patterns.

Chairs around the table
Using Calculators to Display Patterns
An applet and activity focused on using a calculator to find patterns.

Patterns that Grow
Patch Tool
A tool that allows you to draw a geomteric pattern using basic shapes.