Textbook Resource (Core 7): www.connectedmath.msu.edu

Textbook Resource (Algebra): *no link at this time*

Khan Academy (Practice Site): www.khanacademy.org

Virtual Nerd (Middle School Math Support by Topics): http://www.virtualnerd.com/middle-math/all/

Poly Machines Math Practice: https://www.youcubed.org/resource/poly-machines/

Illuminations NCTM Practice: https://illuminations.nctm.org/Games-Puzzles.aspx