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In addition to its 88 FlexBooks, the CK-12 Foundation also offers the following online resources to K-12 students: CK-12 Braingenie -a repository of math and science practice materials. [16] CK-12 FlexMath - an interactive, year-long Algebra 1 curriculum. CK-12 INeedAPencil - a free SAT preparation website, founded in 2007 by then high school ...
FlexBook is a textbook authoring platform developed by the CK-12 Foundation launched in 2008, focused on textbooks for the K-12 market. Derived from the words " flexibility " and "textbook," a FlexBook allows users to produce and customize content by re-purposing educational content using different modules.
CK-12 FlexBooks are licensed under a Creative Commons BY-NC-SA license. CK-12 FlexBooks are free to use online and offer formats suitable for use on portable personal reading devices and computers – both online and offline. Formats for both iPad and Kindle are offered. School districts may select a title as is or customize the open textbook ...
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Tesla's stock price reached $420 on Wednesday afternoon, which elicited responses from social media users and the company's CEO, Elon Musk. "As foretold in the prophecy," Musk wrote in an X post ...
The end of the year means preparing for the one ahead and the National Association of Realtors is already predicting the hottest housing markets for 2025.. The NAR released The Top 10 Housing Hot ...
With its vibrant orange and black theme, this spooky set from 1960 includes a 4-4-0 locomotive, haunted gondola complete with livestock, and pumpkin-themed accessories.
CK-12 provides free and fully customizable K-12 open educational resources aligned to state curriculum standards and tailored to meet student and teacher needs. The foundation's tools are used by 38,000 schools in the US, and additional international schools.