CK12.ORG - FlexBooks

How it Works | Webinars

Browse All FlexBooks | Free SAT Prep

Science, Technology, Engineering, Mathematics

Download Featured FlexBooks

CK-12 FlexBooks Library

Download for:
iPad
Android
Kindle

» Study Guides^NEW!

Mathematics (38)

Math - Grade 6 Student's Edition (SE)
Math - Grade 7 SE
Algebra Explorations, PreK - Grade 7 SE
Algebra - Basic SE,Teacher's Edition (TE)
Algebra I (2/e) SE
Algebra I SE,TE
Algebra I - Spanish SE
Algebra I (TI Activities) SE,TE
Geometry - Basic SE,TE
Geometry (2/e) SE
Geometry SE,TE
Geometry - Spanish SE
Geometry - College Access SE,TE
Geometry (TI Activities) SE,TE
Geometry - Pythag. Theorem SE
Trigonometry (2/e) SE
Trigonometry SE,TE
Trigonometry (TI Activities) SE,TE
Prob & Stats - Basic (Short Course) SE
Prob & Stats - Basic (Full Course) SE
Prob & Stats - Adv (2/e) SE
Prob & Stats - Adv SE,TE
Prob & Stats - Anoka Hennepin SE
Math Analysis SE
Calculus SE,TE
Calculus (TI Activities) SE,TE

Science (34)

Earth Science - MS SE
Earth Science - Honors SE
Earth Science - HS SE
Life Science - MS SE
Life Science - Honors SE,TE
Human Biology - Breathing SE
Human Biology - Changing Body SE
Human Biology - Circulation SE
Human Biology - Nutrition SE
Human Biology - Ecology SE
Human Biology - Genetics SE
Human Biology - Lives of Cells SE
Human Biology - Nervous System SE
Human Biology - Reproduction SE
Human Biology - Sexuality SE
Biology SE,TE,Workbook
Biology I - Honors SE,TE,Workbook
Understanding Biodiversity SE
Chemistry (2/e) SE
Chemistry SE,TE,Labs/Demos,Workbook
Organic Chemistry - Applications SE
Physics - Basic (2/e) SE
Physics - People's Physics (Video) SE
Physics - 21st Century SE
Physics - Stargazers to Starships SE
Environment - Sustainable Energy SE

Other Subjects (20)

SAT Prep (Q&A Explanations) SE
SAT Prep (Q&A Key) SE
SAT Prep II (Q&A Explanations) SE
SAT Prep II (Q&A Key) SE
SAT Prep III (Q&A Explanations) SE
SAT Prep III (Q&A Key) SE
History - U.S. Adv SE
History - U.S. Basic SE
Composition - Commonsense SE
Composition - Glyfada Method SE
Basic Speller SE,TE
Engineering - HS SE
Engineering - Matlab SE
Nanotechnology - NanoSense SE,TE
Nanotechnology - NanoLeap SE,TE
College Access Readers SE
Science Authoring (Guide) SE

An Introduction to CK-12

FlexBooks as a digital learning tool and more.

Algebra Interactive Book

A highly interactive text for a high school classroom, covering Algebra I topics by CK-12 and Wolfram

Explore

Case Studies

Schools and districts are transforming education with CK-12 Resources

Read All Case Studies

Become a CK-12 Champion

CK-12 Foundation is looking for passionate educators and life-long learners to champion our high quality, open-source, free, customizable content! As a Champion, you will be an integral part of the CK-12 community. Applications are open until March 1st.

Learn More

Standards Correlations

Complete correlation reports of CK-12 FlexBooks for each state as they become available, including common core state standards for math.

ACCESS REPORTS »

Teacher's Editions

If you are a parent or a teacher, we can send you the Assessment and Solution Key Teacher's Edition of the FlexBook you're using.

REQUEST IT NOW »

Recognitions

watch us grow... 15,245 FlexBooks 19,190 Chapters

	Flexr Information
BUILD NUMBER	:15418
DEPLOYMENT DATE	:2012-02-10 10:38:18 -0800 (Fri, 10 Feb 2012)
PDF ENGINE	:1
BIDI ENGINE	:1
DATABASE VERSION	:1.2.5.2
FB2N VERSION	:0.1.105
MWDOCBOOK VERSION	:${mwdocbook.mwdocbook}