What other resources does CK-12 Foundation offer?

  • We operate three educational websites:
    1. www.ck12.org – which hosts our online textbooks, and the FlexBook® Platform for creating textbooks
    2. www.ineedapencil.com - website where students may practice and prepare for the SAT exam
    3. http://flexmath.ck12.org/ -  website that provides a complete Algebra I curriculum and lesson plans, as well as drills to help students review core math skills