Teach-nology.com give free access to 30,000 lesson plans and 7,500 work sheets. There are test generators, website reviews, and webqests as well.
They have a great tool that arranges worksheets and lessons by month and season.
You can choose paid membership for $50 a year that allows unlimited use to unlimited resources.
Most Recently Added resources found
at this link
School & Homeschool Teacher Resources