Things I found Feb 18, 2015

Things I found Feb 18, 2015 More than 106,000 free digital textbooks are being used to teach STEM in schools More than 100,000 teacher-created digital textbooks are now available online through the CK-12 Foundation’s free STEM content and tools platform. The 106,000 digital texts, or FlexBooks, come from the roughly 30,000 schools using CK-12’s […]