Math Playground is a great website for all kinds of math activities. Math Playground has a great selection of math games, puzzles, and word problems categorized by grade. The website also has section where students can view videos of math problems being solved and explained. Students can submit their own math problem video suggestions on Math Playground.

The really exciting thing about Math Playground is the Mathcasts 500 Project. The idea behind the project is to have students add to a continuously expanding Voice Thread about math. Students add their own problems and solutions to the Voice Thread to share with other students around the world. Embedded below is a sample from the Mathcasts 500 Project.

Applications for Education
Math Playground’s Mathcast 500 Project is a great way to introduce students to Web 2.0 tools while at the same time helping them to learn math skills.