Testimonials

See the opinions of students and educators just like you. Select from the following to learn more.

Use CK-12 FlexBooks® to Replace Traditional Textbooks
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Use CK-12 FlexBooks® to Replace Traditional Textbooks
Creating Teams to Make CK-12 FlexBooks®
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Creating Teams to Make CK-12 FlexBooks®
Many Reasons to Use CK-12 FlexBooks®
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Many Reasons to Use CK-12 FlexBooks®
Translate FlexBooks® with just One Click!
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Translate FlexBooks® with just One Click!
The Power of CK-12's Highlighting Tool and Word Definitions
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The Power of CK-12's Highlighting Tool and Word Definitions
Finding the Right People to Pilot CK-12 FlexBooks®
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Finding the Right People to Pilot CK-12 FlexBooks®
Curating CK-12 FlexBooks® for Relevance and Engagement
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Curating CK-12 FlexBooks® for Relevance and Engagement
Incorporating Current Events into a CK-12 FlexBook® the Next Day
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Incorporating Current Events into a CK-12 FlexBook® the Next Day
CK-12 is the High Quality Online Resource Teachers and Students Can Trust
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CK-12 is the High Quality Online Resource Teachers and Students Can Trust
Talk to the Text with CK-12's Highlighting Tool
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Talk to the Text with CK-12's Highlighting Tool
El Paso Bought Laptops and Still Saved Money with CK-12!
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El Paso Bought Laptops and Still Saved Money with CK-12!
Upgrade, Update, and Customize with CK-12
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Upgrade, Update, and Customize with CK-12

Comments from Educators

Improveing the motivation of my pupils

Maisa A.

I have read your biology books. With the help of ck books I am able to clear doubts of daughter and its helped me a lot. Thank you very much for CK

M.

CK-12 has provided resources so that I can be a more effective teacher!!

Lydia C.

CK-12 helps me find resources necessary for teaching standards and skills that are not in my current text book. It is supplemental material and websites that help me teach!

M Hance

I have just been assigned to teach 7th and 8th grade Science.

Lynn J.

i have used ck-12 while home educating my children via google apps

Luna F.

This resource has been invaluable to me. I can use it for remediation and acceleration. Thank you.

Louise P.

CK-12 has helped me provide online resources for my special education students to access at home!

Lurleen M.

I was able to create worksheet practice for my students.The videos available were also helpful in helping students review concepts

Lotoya G.

This has been an excellent resource for my class room. Our students do not have take home text books since we are a Title 1 school and money is limited. I have used this as a resource for homework and differentiation using your different workbooks. I have also used it as a large group presentation of a topic and then practiced using materials linked. I have also created several "webquest" type activities for use in our computer lab. Thanks for all of the hard work that went into this and I would love to see Social Studies/World/American history as fleshed out as the science is! Loved it!

Lorre C.

Comments from Students

It has helped me a lot in science and understanding it better.

Anika S.

CK-12 has helped me a lot, especially with math. My teachers for the past two years have used CK-12 and it's an easy way to take math step by step to help you understand it better.

Anika

it has help me learn new stuff

Angela P.

CK-12 has helped me understand information on a deeper level and gain confidence in my knowledge. Instead of just reading information, I make sure to understand it and learn. By just providing information with such fantastic structure, I have realized how easy it is to obtain information and I strive to learn more each day. Thank you for providing such a reliable source and helping me out!

Angelina

You guys helped explain hard concepts

Angie

It helped me with science and stuff.

Angelica M.

it help me truley understand math

Angela R.

It helped me learn and also read more for my education!!

Angela M.

CK-12 has helped me since my freshman year. It helped my in my physics class and helped me understand challenging concepts more easily. It's a great and helpful resource.

Angela

This has been the greatest resource that I been looking fo.

Angel M.