How does a FlexBook® textbook differ from a collection of Wikipedia articles?

Written by felix on June 27, 2012
  • CK-12′s textbooks are focused on teaching materials for Kindergarten through 12th grade. Our books conform to state, national and Common Core standards for K-12 textbooks, when available. We also offer materials such as Lesson Objectives, Vocabulary, and Q&A — similar to the ancillary materials found in traditional textbooks.

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