PBS
Pbs Learning Media: Finding Patterns to Make Predictions
Make predictions then explore the patterns found in everyday objects like stairs. This interactive exercise focuses on developing an equation to represent a mathematical rule and working with virtual manipulatives to visualize a concept,...
E-learning for Kids
E Learning for Kids: Math: School Bus: Pattern and Function: Number Patterns
Students will play a variety of learning games to explore and practice number patterns.
E-learning for Kids
E Learning for Kids: Math: Surfing: Patterns
Play interactive games to determine the number patterns and sequences.
Other
The Actuarial Foundation: Math Academy: Can You See It in Nature? [Pdf]
Students will build, extend, describe, predict, graph and generate rules for patterns and functions designed to help students understand the connection between geometric and numerical patterns (younger students) as well as between...
CK-12 Foundation
Ck 12: Analysis: Recursive Formulas
[Free Registration/Login may be required to access all resource tools.] This lesson provides a review of a variety of sequence types including recursive, arithmetic, and geometric. Students examine guided notes, review guided practice,...
National Council of Teachers of Mathematics
The Math Forum: What Is a Tessellation?
The Math Forum defines and illustrates geometric tessellation.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Wolfram Research
Wolfram Math World: Semiregular Tessellations
This one page Mathworld site has a number of examples of semiregular tessellations. A definition and a small amount of related information is given at the bottom of the page.