JenuineTech Projects – Great list of projects to do with your class. I really like the pumpkin seed project coming up.
Space Junk – “It loads a database that will plot the position of every known bit of space debris and satellites, both active and inactive. You won’t believe how crowded our skies are.”
Purple Math – help with algebra
K5 Stars – “K5 Stars is an online learning center that helps every child become a star learner. We believe that mastering the basics such as Reading and Elementary Math is the foundation of success from elementary school through college and beyond. K5 Stars is intended for elementary school students - hence the name, which refers to K (kindergarten) to grade 5 students. The website is kid-friendly, doesn't display third-party advertisements and is supported by membership fees. Currently, there are over 200 activities available.”
Tribal Wars - Tribal Wars is a browser-based game set in the Middle Ages. Every player controls a small village, striving for power and glory.