Below are listed some helpful websites that should be helpful when it comes to lesson planning.
Education.com: this site offers lesson plans, worksheets, games, activities, songs, and stories for students in preschool - fifth grade.
The Educator's Reference Desk: this site builds on a quarter century of experience providing high quality resources and services to the educational community.
ERIC Database: The United States Department of Education’s website for searching the ERIC Database
Kathy Schrock's Guide to Everything: this is a categorized list of sites useful for enhancing curriculum and professional growth. It is updated often to include the best sites for teaching and learning.
The Lesson Plan Page: this site offers kindergarten, elementary, middle school and high school lesson plans for all major school subjects.