Super Teacher
Super Teacher Worksheets presents a high-quality phonics-based spelling program specially designed for first grade students. This page contains 30 phonics-based spelling lists, three theme lists, and three holiday lists. Each list has accompanying worksheets and activities that will help students build their knowledge and familiarity with the words throughout the week.
www.superteacherworksheets.com

First-School
First-School features free fun preschool lesson plans, educational early childhood activities, printable crafts, worksheets, calendar of events and other resources for children of preschool age. First-School's content is ideal for home schooling, preschool and kindergarten teachers, daycare, child care providers, after-school and babysitters.
www.first-school.ws

Lessonsense.com
Lessonsense provides free online lesson plans, games, activities, worksheets, stories, printables, articles, flashcards, tips and other educational teaching resources for kindergarten, grades K-2 elementary school, esl (english as a second language), preschool and homeschool teachers.
www.lessonsense.com

Under 5s
Under 5s is the site for everyone involved in pre-school education and childcare; teachers, nursery nurses, students, child minders, nannies, and of course, parents. Offers free quality pre-school worksheets, rhymes, activities, lesson plans and much much more. Plans based on the UK curriculum. Updated regularly.
www.underfives.co.uk