This new feature has many possible classroom uses. You and your students can create groups of websites based on specific math topics. For example, you could create a stack of websites that pertain to adding fractions. Or, you could have your students search the web for sites, videos, and images that relate to adding fractions. Then have students create a Stack of the multimedia they collected and share it with classmates. If your students create their own videos, images or other online projects, they can tag their work and save on Delicious. This could serve as a digital portfolio. This would allow students to easily share their work with classmates, parents, etc.
A couple of other excellent bookmarking options are: