Some websites that are teacher friendly and have ideas for lesson plans.

 http://www.lessonplanz.com (ideas for math, science, social studies, etc.)

 http://www.Enchantedlearning.com

 http://teachers.net(excellent resource)

 http://LessonPlansPage.com

 http://learningpage.com(gives lesson plans as well as a book list for ech topic)

 http://www.sitesforteachers.com(lists lots of great sites for teachers)

 http://www.readinglady.com(excellent resource)