Listed below are sites that have homework help, games, fact practice, videos, and brain teasers!
https://connected.mcgraw-hill.com/connected/login.do
Khan Academy
Math Fact Cafe
IXL
Eduplace
Math Playground
Erich's Puzzle Place
CBS Kids Cyberchase
Cool Math
Virtual Math Manipulatives
Science For Kids
PBS Science Games
Magic School Bus