Gudli.com is a FREE and wonderful site for K-2nd graders!
It's a site set up specifically for young learners and includes
lessons and games to help children develop math, logic, memory, word,
creativity, language, and science skills.
Games are divided into 5 categories: Math, Language, Puzzle, Fun, and Science.
Each game can be played full screen and includes
sound, music, and great animations!
Here's an example of the Pattern Match game:
The site also includes an Arts & Crafts area that includes lots of
printable coloring sheets
in the following categories:
Animals, Characters, Transports, Fruits & Vegetables, and Houses
as well as a Worksheet area that includes connect the alphabet,
connect the numbers, and maze sheets that can be done online or printed.
Thanks to Troy K for the tip on this great site!