E-learning for Kids
E Learning for Kids: Math: Movie Theater: Numbers to 9999
On this interactive website students practice various math skills using a real life scenario. Those skills include using words to show four-digit numbers, putting numbers in ascending order, and relating large numbers to everyday life.
TED Talks
Ted: Ted Ed: Is Math Discovered or Invented?
Would mathematics exist if people didn't? Did we create mathematical concepts to help us understand the world around us, or is math the native language of the universe itself? Jeff Dekofsky traces some famous arguments in this ancient...
University of Georgia
University of Georgia: Inter Math: Cylinder
This site gives a definition and discussion of cylinders including right and oblique cylinders. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive checkpoint...