"K-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. Using an open-content, web-based collaborative model termed the "FlexBook," CK-12 intends to pioneer the generation and distribution of high quality educational content that will serve both as core text as well as provide an adaptive environment for learning through the FlexBook Platform."
CK-12 Earth Science - "CK-12 Earth Science covers the study of Earth - its minerals and energy resources, processes inside and on its surface, its past, water, weather and climate, the environment and human actions, and astronomy."
CK-12 Life Science - "CK-12 Life Science covers seven units: Understanding Living Things; Cells: The Building Blocks of Life; Genetics and Evolution; Prokaryotes, Protists, Fungi, and Plants; The Animal Kingdom; The Human Body; and Ecology."
CK-12 Geometry - "CK-12 Foundation's Geometry FlexBook is a clear presentation of the essentials of geometry for the high school student. Topics include: Proof, Congruent Triangles, Quadrilaterals, Similarity, Perimeter & Area, Volume, and Transformations."
CK-12 Algebra I - "CK-12 Foundation's Algebra FlexBook is an introduction to algebraic concepts for the high school student. Topics include: Equations & Functions, Real Numbers, Equations of Lines, Solving Systems of Equations & Quadratic Equations."
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Tech Tags: Free Stuff Free Samples Free Product Samples Samples Free Freebie Fanatics Four Free Kindle eBooks: Educational Free Kindle eBook: CK-12 Earth Science Free Kindle eBook: CK-12 Life Science Free Kindle eBook: CK-12 Geometry Free Kindle eBook: CK-12 Algebra