Rediscovering @CK12Foundation Flexbooks And More!
AUGUST 24, 2015
There are Flexbooks for middle school and even some for Elementary Math. All the content is Common Core aligned so you can be sure its high-quality and timely. You'll also find Engineering, SAT Prep, and much, much more. And it's not just high school. Simulations -A new feature are some pretty sweet physics simulations.