Complete k-12 curriculum

This is a solid curriculum, k-12, free. Every Single Lesson Plan for every core subject is here.

WELL worth using.

http://wvde.state.wv.us/instructionalguides/

and

http://wvde.state.wv.us/unitplans/

and
http://wveis.k12.wv.us/teach21/public/project/Mainmenu.cfm --project-based learning, which works great for homeschools.

and

http://wvde.state.wv.us/teach21/Inquiry-BasedLessonPlans.html  --inquiry-based learning, which is also fantastic

and
http://wvde.state.wv.us/teach21/quality-lesson-design.html--a page on designing high-quality lessons.

Other state departments of education also post the entire curriculum online, but many don't include specific, finished lesson plans, and few include project-based learning. Awesome resource!