Game

Cosmeo

A subscription service sponsored by Discovery Channel.  Videos, math tutorials, interactive games, reference articles, links.  Not as much material as Discovery Education Streaming (also from Discovery Channel) but you can subscribe monthly, so you might save some money.

PBS Learning Media

A great collection of resources from PBS.  Audio and video, interactives, lesson plans, web pages, documents.  All subjects and all of it available free.  (The registration process is a bit lengthy, and not particularly homeschool friendly, but seems worth it!)

Neo K12

A collection of educational videos, games, puzzles, lessons and quizzes.  Requires membership for some things, but the videos seem to be free, and subscription price is reasonable.

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