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.
University of Cambridge
University of Cambridge: Nrich: Divide It Out!
On this one page website sharpen your logic and basic division fact skills while working on this challenge. The solution is available to double check your solution.
PBS
Pbs: Equivalent Expressions Using Exponents
Apply your critical thinking skills to learn about multiplication and division of exponents. This interactive exercise focuses on positive and negative exponents and combining exponents in an effort to get you to recognize patterns and...
PBS
Pbs: Function Machine
Control the inputs and operations of a function machine to produce specific outputs. This interactive exercise focuses on exploring operations, making patterns, and the rules for calculations with positive and negative integers.
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,...
PBS
Pbs Learning Media: Frog Hops, Part 1
The CyberSquad tries to figure out how Hacker's cyberfrog moves when its various buttons are pressed, in this video from Cyberchase.
Alabama Learning Exchange
Alex: Hurricanes
This lesson starts out with a short video clip of Hurricane Ivan and shows the pattern it followed. Emphasis is placed on the fact that Hurricane Ivan struck and the eye traveled over Alabama. Discussion of hurricane facts follow....
University of Cambridge
University of Cambridge: Nrich: Making Sticks
On this one page website sharpen your logic, factors, and multiples skills while working on this challenge. The solution is available to double check your solution.