A Skill Series is a grouping of individual Skill Streams that typically help you learn a broader mathematics concept.
Skill Streams are individual skill videos grouped within a Skill Series. A Skill Stream consists of a skill-based instructional video with embedded questions and a related set of digital skills practice problems. Paying close attention as the video progresses will prepare you to answer the embedded interactive game questions. At the end of the video, you will be presented with a random set of practice questions to assess your knowledge of the content.