http://pbln.imsa.edu/model/intro/differences.html - problem-based-learning site from Illinois Math/Sci website
https://www.quixey.com/ - Search Engine for Apps
http://www.random.org/ - another approach to random numbers: atmospheric noise
http://www.schrockguide.net/ipads-in-the-classroom.html - Kathy Schrock on iPads in the classroom
http://www.qrhacker.com/ - generate attractive and versatile QR codes that include images
More:
http://groups.diigo.com/group/diigoineducation
http://groups.diigo.com/group/ed-tech-crew
mrhenryslz.blogspot.com
https://www.quixey.com/ - Search Engine for Apps
http://www.random.org/ - another approach to random numbers: atmospheric noise
http://www.schrockguide.net/ipads-in-the-classroom.html - Kathy Schrock on iPads in the classroom
http://www.qrhacker.com/ - generate attractive and versatile QR codes that include images
More:
http://groups.diigo.com/group/diigoineducation
http://groups.diigo.com/group/ed-tech-crew
mrhenryslz.blogspot.com