http://edhelper.com/ You can access some free activites here without having to sign up. This has some fun math for elementary student, puzzles, etc.
The Florida Center for Reading Research Reading/Language arts activities with lots of research on ELL
Activities for ESL/EFL Students (English Study) Activities for ESL/ELL Students!
ELL Math Teacher Tools
As 2Morkies said, the internet will be your best friend when looking for activities. I have a ton of sites marked at school but not here on this computer. The few I listed above are useful and some regulars I pull material from.
