Del Valle Independent School District

 

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Description: CK-12 Foundation’s Algebra II with Trigonometry FlexBook® textbook is an expansion on the algebraic topics of functions, equations, and graphs for high-school students.
Created by: ck 12
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Description: A TEKS-aligned text for a discrete mathematics course.
Created by: ck 12
Open FlexBook®
Description: Biology concepts for high school science aligned to Texas Essential Knowledge & Skills (TEKS). Version 2.0_August 18, 2015
Created by: ck 12
Open FlexBook®
Description: CK-12's Basic Geometry FlexBook® textbook is designed to present students with geometric principles in a simpler, more graphics-oriented course. Students will explore geometry at a slower pace with an emphasis placed on visual aids and approachability.
Created by: ck 12
Open FlexBook®
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