Class Dojo- 
This is the site which I update weekly. You will find the most current information here.
www.classdojo.com

Khan Academy- This is a great, free site that has video tutorials to help solve all kinds of math problems.
https://www.khanacademy.org

Study Jams
:  http://studyjams.scholastic.com/studyjams/
A website with review songs for all subject areas.

Boom Cards:
https://wow.boomlearning.com/signin/student

Jefferson Labs:  https://education.jlab.org/solquiz/
Math and Science (4th and 5th combined) practice review quizzes.

Clever Link:  Students can access this through their Outlook accounts as well!  This will give them access to BrainPop, Dicovery Edu, and much more.
 
https://clever.com/in/pwcs 

Solpass- Students can use this site to access study guides and review material for all SOL subjects from grades 3-5.
www.solpass.org