ou can still rely on the NSDL Middle School Portal web site for high-quality resources but now through the Middle School Portal 2: Math & Science Pathways (MSP2) social network you can connect to colleagues and share knowledge within and beyond the MSP2 community.
This website provides middle school teachers with a great deal of resources for both Mathematics and Science. It is a great way for teachers all around the world to collaborate with one another and share ideas.