This is a great site for printouts and theme based activities. I use the project ideas on the site a lot. It is free, but you need to create an account. 

This website has interactive math and reading games that can be played as a class on the smartboard, or individually on the computer. It is very clearly organized by grade, and the games are engaging and fun!

This website is great for beginning readers! The songs and videos are beautiful and easy to follow along with. I use this site in my classroom a lot!