Here are some links to children sites. I hope it helps.

http://www.teacherplanet.com/links/redirect.php?url=http://kidshealth.org/kid/word/

http://www.theyellowpencil.com/

http://notredamke.rkc.si/english/

http://www.angles365.com/classroom/

http://www.apples4theteacher.com/holidays/fathers-day/short-stories/pinocchio-chapter1.html

http://www.cuadernointercultural.com/primeros-dias-de-clase-ideas/

http://www.enchantedlearning.com/books/prepositions/dogs/

http://www.pearsonlongman.com/young_learners/

http://www.ezschool.com/Grade1.html

http://learnenglishkids.britishcouncil.org/short-stories/goldilocks-and-the-three-bears

http://www.starfall.com/

http://www.englishisfun-esl.blogspot.com/