Below are many websites that might be helpful to you. Feel free to recommend others and we'll add them to the list!
Study Jams: Videos about math and science topics
National Library of Virtual Manipulatives: Online tools to help you solve math problems
AAA Math: Math Games
Cool Math: Math Games
Math Playground: Math Games
Fractions: Battleship Numberline
Writing with Writers: Help from writers
Wacky Web Tales: Practice the parts of speech
FOSS Web: Username: mrsyoffe Password: 12345678
Switch Zoo: Wouldn't it be cool if you could create your own animal? Well, you can on this site!
Ecosystems