100 Chart Games http://www.apples4theteacher.com/math/games/100-number-chart-one.html#interactive100chart
(Sample link) National Geographic for Kids http://www.nationalgeographic.com/kids/
Pre-Primer Sight Words http://www.quiz-tree.com/sight-words-list-PrePrimer.html
Primer Sight Words http://www.quiz-tree.com/sight-words-list-Primer.html
Make your own worksheet pages be sure to choose the D'Nealian style printing. http://www.writingwizard.longcountdown.com/one-word_handwriting_worksheet_maker.html
Scholastic Book Club http://teacher.scholastic.com/clubs/
Help your children to review sounds and letters Reading games
Check out the rhyming games Rhyming games and more