http://www.ohiomathworks.com/index.htm
This is an interactive site for grades 7-9 and gives students an idea of how mathematics is used in different industries including theme parks, fashion, newspapers and weather.
http://quest.nasa.gov/
This is an interactive NASA website that allows educators, students and the public to find out more about the NASA space program and NASA scientists.
http://www.thinkquest.org/library/index.html
This is a site created by students for students and provides a variety of innovative learning resources in a variety of topic areas.
http://score.kings.k10.ca.us/real.world.html
There are some useful links here that include lesson plans and interactive web resources that provide real-world examples of mathematics.
http://www.highland.madison.k10.il.us/jbasden/activities.htm
Varied math problems including activities in geometry, fractions, and rate.
http://www.mathmastery.com/
In addition to providing mathematics curriculum materials for purchase, this site also offers free problem-solving activities with real-world applications in topics like health, geography, and science.
http://www.cotf.edu/ete/teacher/teacherout.html
PBL – What is it about? How do we do it? This site also provides a range of activities related to earth/space science that can be accessed by clicking on ‘modules & activities’ at the very top of the page.
http://www.ncrel.org/sdrs/areas/issues/content/cntareas/science/sc3learn.htm
Criteria that teachers need to remember as they create PBL activities.
http://www.imsa.edu/team/cpbl/
IL Mathematics and Science Academy PBL center. This site provides sample problems as well as professional development opportunities for teachers and students.
http://www.udel.edu/pbl/problems/
This is a University of Delaware site that provides many problem based learning examples.