Free Lesson Plans resources
Activity Idea Place 
Activity Idea Place is a great resource for parents and Early Childhood Education professionals who are looking to come up with some great ideas on how to keep children occupied and happy. It started in 1998 and now has over 3400 unique and exciting ideas.
Crayola Lesson Plans
Crayola is a great resource for parents and teachers alike to find exciting and captivating things to do with children. They offer free coloring templates for children and craft ideas, as well as lesson plans for educators to help inspire their students to be creative.
Lesson Plans For Teachers
Lesson Site is a great resource for teachers by teachers. It doesn’t matter what subject you are looking for a lesson plan for, this site will have it. All of the plans were originally made for Australian schools but this should not stand in the way of a teacher from another country using it with only some slight modifications.
Lessonplan Central
Lesson Plan Central is a free resource for lesson plans, worksheets, webquests and student clipart and links. They also offer a variety of free illustrations, animated clipart as well as stationary clipart for use in the classroom to help inspire and stimulate the student.
Lessonplanz
LessonPlanz.com is a great online resource for teachers of all grade levels. The site offers free online lesson plans that are suited for all grade levels, with more being added daily. They also offer a newsletter feature to keep you up to date on all of the happenings on the site.
Primary Resources
Primary Resources is an amazing online resource for primary school teachers; it provides them with activity ideas lesson plans and other classroom related resources free of charge. They also offer a newsletter that you can sign up for to keep yourself updated on what lessons are added and what pertains to you.
Teachnology
Teachnology is THE online teacher resource. They provide free and intuitive resources for teachers and they are dedicated to helping improve the education of this generation. Not only do the offer lesson plans but they also offer rubrics for classes as well.
The Lesson Plans Page
The Lesson Plans Page is an online site dedicated to free lesson plans for teachers. They now can boast over 3,500 free comprehensive lesson plans. They also have a very robust search feature which allows you to search for lesson plans not only based on subject but on season as well.