JumpStart has a large collection of fun worksheets and activities for kids of all ages. Teachers can use these resources to add fun to any lesson plan! Grade based lesson plans are particularly useful for teachers in elementary school, especially teachers of preschool, kindergarten, 1st grade, 2nd grade and 3rd grade.Grade based lesson plans help elementary school teachers find lesson plans for different subjects under a single category. This is useful for teachers who teach the same grade different subjects. Teachers looking for lesson plans online will be happy to find grade based lesson plans.